Exam Details
Subject | ||
Paper | ||
Exam / Course | ||
Department | ||
Organization | Kerala Public Service Commission | |
Position | assistant engineer | |
Exam Date | 09, July, 2015 | |
City, State | kerala, |
Question Paper
130/2015
Maximum: 100 marks
Time: 1 hour and 15 minutes
1. Stainless steel is an alloy of which among the following?
chromium, nickel and iron manganese, copper and iron
copper, carbon and iron copper, tin and zinc
2. What is determined by conducting an abrasion test?
aggregate crushing value toughness
hardness soundness
3. On which of the following, the support for flat slab is provide?
beams built monolithically above walls
columns built monolithically with slab
beams
walls
4. What is the width of Broad Gauge?
1.575 m 1.565 m
1.576 m 1.676 m
5. Among which of the following conditions a T-beam becomes identical to a rectangular beam with width equal to that of flange?
neutral axis remains within web
neutral axis remains within flange
neutral axis coinsides with geometrical centre of beam
none of these
6. Which among the following is a step used for changing the direction of a stair?
flight nosing
landing winder
7. By which of the following tests, fineness of cement can be determined?
permeability test soundness test
vicatapparatus test compression test
8. Among the following, in whicn type of canal, flow occurs only when there is a rise of flow in river? .
inundation canal contour canal
ridge canal side slope canal
A 3
[P.T.a.)
9. What is defined as the ratio of volume of air voids to the total volume of soil mass and is expressed as percentage?
void ratio porosity
percentage air voids air content
10. What is the side slope of a Cipoletti weir?
1 horizontal to 2 vertical 2 horizontal to 1 vertical
4 horizontal to 1 vertical 1 horizontal to 4 vertical
11. How the temporary hardness of water is removed?
by boiling by lime soda process
by zeolite process by aeration
12. In which of the following types of concrete beam section, failure will occur all on a sudden?
singly reinforced beam under reinforced section
balanced section over reinforced section
13. In which condition a doubly reinforced beam is used?
when extra safety is needed
when depth and breadth of beam have to be restricted in size
when large moment is expected
when depth is more than 1 m
14. In a water supply scheme, for what purpose aeration is carried out?
to remove taste and odour
for complete elimination of colloidal matter
for killing pathogenic bacteria
for coagulation
15. What is the disadvantage of centrifugal pump compared with reciprocating pump?
priming required pulsatory flow
low speed difficult to handle viscous fluid
•
16. What is known as the force per unit area required to penetrate into a soil mass with a circular plunger of 50 mm diameter at a rate of 1.25 mm/minute?
bearing capacity modulus of rupture
CBR aggregate crushing value
17. What is floor area ratio?
ratio of total floor area on all floors to plinth area
ratio of plinth area to plot area
ratio of ground floor area to plot area
ratio of total floor area on all floors to plot area
130/2015 4 A
18. What is azimuth?
arbitrary meridian true meridian
magnetic meridian CD) none of these
19. What will be the hydraulic mean depth for a most economical rectangular section of an open channel, of width B and depth
D/2 2D
2 BD3
BD
CD)
6 12
20. At any point on the magnetic equator what will be the angle of dip?
100° 0°
90° CD) 180°
21. What is the area of building, excluding the area occupied by walls?
net area plinth area
carpet area CD) floor area
22. In the case of open channel flow if the flow is laminar, which of the following is correct?
Reynplds number 500 Reynolds number> 500 .
Reynolds number 2000 CD) Reynolds number> 4000
23. Name the ratio of power available at the shaft of a turbine to the power delivered by water to the runner.
volumetric efficiency overall efficiency
mechanical efficiency CD) hydraulic efficiency
24. What is meant by cambium layer of an exogeneous tree?
layer between inner bark and sap wood
outermost layer of the tree
zone of inner rings surround the pith
layer between pith and heart wood
25. What is the difference between two measured values of same quantity in surveying?
variation discrepancy
int;entional error CD) balancing error
26. A wooden pile is being driven with a drop hammer weighing 18 kN and having a free fall of 1 m. The penetration in the last blow is 5 mm. Determine the load carrying capacity of pile according to the Engineering News formula:
100 kN 90kN
110 kN CD) 180kN
A 5 130/2015 [P.T.a.)
27. A jet of water, of cross sectional area 0.005 strikes a flat plate normally with a velocity of 15 m/s. Ifthe plate is moving with a velocity of 5 mls in the direction ofjet and away from the jet, what is the force exerted by the jet on the plate?
(At 250 N 0.50 N
500 N 0.25 N
28. Dry density of which sample is expected to be high?
organic clay dense sand
bentonite stiff clay
29. Which among the following is the great circle, formed by a plane through the observor's position that is to the direction' of gravity at that point intercepts the celestial sphere?
observor's meridian ecliptic
hour circle horizon
30. What is known as a watertight enclosure made up of sheet pile walls, usually temporary, built around a working area for the pUl:pose of excluding water during construction?
cofferdam bulkhead
penstock .box caisson
31. What is meant by Froude's number?
ratio of inertia force and viscous force
ratio of square root of inertia force and pressure force
ratio of square root of inertia force and gravity force
ratio of inertia force and pressure force
32. Among which of the following conditions, Darcy's Law is not applicable to seepage of soils?
soil is homogeneous
the flow conditions are turbulant in soil
the soil is incompressible under stress
the soil is isotropic
33. Which of the following is a field test?
vane shear test direct shear
triaxial compression test unconfined compression test
34. For what type of soil unconfined compression test is generally applicable?
saturated clay sand
silt poorly graded sandy silt
130/2015 6 A
35. If Cd =coefficient of discQarge, Cv =coefficient of velocity and =coefficient of contraction, then which of the following statement is correct?
Cd xCv Cv xCd
Cd Cv X None of these
36. Which ofthe foliowinK will have a piasticity index 20?
sand clay
silt compacted sand
.37. What is a protective barrier constructed to enclose harbours, and to keep the harbour waters undisturbed by the effect of heavy and strong seas?
entrance lock dock
shaft break water
38. Determine the total pressure on a circular plate of area of cross section 1 m2 which is placed vertically in water in such a way that the centre of the plate is 1 m below the free surface of water.
981 N 9.81 N
9810 N 98.1 N
39. Among which of the following tests conducted for measurement of shear strength of soil, no eJ1cess pore pressure is set up at any stage of the test? .
drained test undrained test
consolidated undrained test quick test
40. Which of the following laws gives the diameter of a sphere which will settle at a specific terminal velocity?
Darcy's Law Stoke's Law Hooke:s Law Gay -Lussac's Law
41. What is meant by optimum water content?
water content corresponding to maximum dry density
water content corresponding to zero air voids
water content corresponding to minimum dry density
water content corresponding to field density
42. What is the function of a fish plate?
for fixing rails to sleepers for fastening chairs to sleepers
for fixing wooden sleepers to rail. to hold two rails together
43. Which .among the following is pressure on a fluid below atmospheric pressure?
absolute pressure gauge pressure
vacuum pressure none of these
A 7 130/2015
[P.T.a.)
t
44. Which of the following is the unit of coefficient of consolidation?
cm2/sec cmlsec
m2/kN none of these
45. A simply supported beam of span 7 m has a point load of 3 kN at a distance of 2 m from left end A and a point load of 2 kN at a distance of 4 m from left end A. What will be the support reaction at
3 kN 2.5kN
19 kN
2 kN
7
46. Soils with a value of k (coefficient of permeability) ranging from 10-5 mmlsec to 10-3 mmlsec can be classified as
pervious semI pervIOus
impervious aquiclude
47. Which ofthe following soil samples will have grains of almost same particle size?
well graded good graded
gap graded poorly graded
48. Which among the following is the term used for change in volume of soil per unit of initial volume due to a given unit increase in pressure?
coefficient of volume change coefficient of compressibility
coefficient of settlement swelling index
49. Which of the following values, the voids ratio in soil can have theoretically?
1 only can be less than or more than 1
1 only 0.5
50. For what purpose stiffeners are used in a plate girder?
to connect the flange plates to the web
to provide web splice
to prevent buckling of web
to provide splice for flange plates and cover plates
51. Which of the follOving is a clayey soil that has never been subjected to an effective pressure greater than existing overburden pressure and which is also completely consolidated by the existing overburden pressure?
normally consolidated soil pre -consolidated soil
under -consolidated soil over consolidated soil
130/2015 8 A
52. By which simple equ<ltion the hydrologic cycle may be expressed?
Precipitation =Evaporation -Run off
Evaporation =Precipitation Run off
Run off=Precipitation Evaporation
Precipitation Evaporation Run off
53. Which among the following is a functional relation connecting the value of specific gravity, voids ratio, water content and degree of saturation?
eG wG
t
s ew
54. What is an impermeable formation which contain water but are not capable of transmitting or supplying a sufficient quantity?
aquifer aquifuge
perched aquifer aquiclude
55. Coefficient of permeability is inversely proportional to which of the following? . viscosity effective diameter
unit weight of water void ratio
56. If an auditorium has a total surface area of plaster, floor, curtains and seats equal to 160 m2 and volume of auditorium is 5000 m3, what is time of reverberation in seconds according to Sabin's equation?
3.2 seconds 5.12 seconds
5 seconds 8 seconds
57. According to Indian Standards, specific gravity of soil is the ratio of unit weight of solids to that of water at a temperature of:
4°C 27°C
17°C 36°C
58. What is the term used for the degree of disturbance of undisturbed clay sample due to remoulding expressed as ratio of unconfined compression strength in undisturbed state to that in remoulded state, without change in water content?
sensitivity thixotropy
collapse potential coefficient of structural collapse
59. Which among the following is also known as rolled steel joist?
rolled steel T section rolled steel channel section
rolled steel I section rolled steel angle section
A9 130/2015 [P.T.a.]
60. For shallow foundations if P is the load, y is the unit weight of soil and is the angle of
repose, which of the following is equal to total depth of foundation according to Rankine's formula?
p(l+sin<l» p(I-Sin<l»
y 1-sin y P (1-sin <1»2 P sin <1»2
y sin y 1-sin
61. Name the level surface to which the elevations are referred:
bench mark datum
base line change point
62. For no tension developed in a gravity dam, where the resultant of all forces on dam should always lie?
at toe near heel
at top within the middle third of the section
63. Two bodies of masses 5.5 kg and 4.3 kg are hung to the ends of rope, passing over a smooth frictionless pulley. With what acceleration the heavier mass comes down?
9.8 m/s2 4.73 m/s2
80 m/s2 1.2 m/s2
64. If WL liquid limit, Wp =plastic limit, Ws =shrinkage limit then which of the following is equal to plasticity index
WL -Wp
WL -Ws
65. Among the following which equipment is not used in chain survey?
ranging rod offset rod
alidade plumb bob
66. Name the end supports of the superstructure of a bridge:
abutments piers
wing walls deckings
67. A body was thrown vertically down from a tower. What is the distance travelled by the body
in the third second (If its fall, ifits initial velocity was 5.5 m/sec?
W 25m 60.Wm
Wm 30m
130/2015 10 A
68. Name the structure carrying discharge of a natural stream across a canal intercepting the stream:
Gallery Cut off pile
Cross drainage work Sluice
. 69. Which among the following is torsional rigidity?
.product of rigidity modulus and moment of inertia
product of rigidity modulus and polar moment of inertia
product of rigidity modulus and angle of twist
product of torque and radius of shaft
70. During setting and hardening of cement concrete, hydration of which among the followiog contributes to the progressive strength of concrete?
CsS CsA
C4AF 'C2S
71. What is the polar moment of inertial of a circle of diameter
7fD 4 trf)4
64 32
td)4
7fD 4
CD)
128 16
72. What is called, the time io hours taken by raiowater that falls at the farthest poiot to reach the outlet of a catchment?
effective duration basio lag
time of concentration recession time
73. Name the short sections of wood or steel, which are fixed on priocipal rafter of trusses to support purlios
ridge piece wall plate
eaves board (D).cleat
74. Name the area to be irrigated by a dam:
ayacut catchment area
reservorr upstream side
75. Among the following methods for computing average precipitation (or rainfall) ill which method the area of the basin is not taken into account?
Isohyetal method Thiesson polygon method
Arithmetic average method None of these
A f1 130/2015 [P.T.O·I
76. What is the super elevation (expressed in percentage terms) required for a road curve of radius 1000 m if the design speed is 100 km/hour?
W 1000%
1000 127
9.81
77. Which of the following is not included in temporary adjustments of a dumpy level?
setting up levelling up
elimination of parallax centering
78. Among the following which represents the irrigating capacity of a unit of water:
water application efficiency consumptive use efficiency
duty delta
79. .What is the maximum size of the particle of silt?
0.02 mm 0.002 mm
0.2 mm 0.06 mm
80. Name the well from which water flows automatically under pressure:
infIltration well artesian well
flowing well tube well
81. Which among the following is the back bearing of N300E?
E30°N N150°E
S 150° W S 30° W
82. Among the following, by which method the efficiency of a sedimentation tank can be increased for a given discharge?
by increasing the depth of the tank by decreasing the depth of the tank
by increasing the area of the tank by decreasing the area of the tank
83. For a cantilever beam of length what bending moment at free end would produce a deflection equal to that produced by a concentrated load Wat free end?
W
3
EI
3
84. If buckling of sand is not taken into account for volumetric proportioning of concrete, what will be the result?
no effect
buckling of concrete product will be the result
more quantity of concrete per bag of cement will be produced
less quantity of concrete per bag of cement will be produced
130/2015 12 A
85. In which direction, resultant force will shift by providing a top width for roadway and free board in elementary profile of a gravity dam, for full reservoir condition?
shift towards top shift towards toe
shift towards heel no shift at all
r
86. 'Ivo simply supported beams A and B of same width have identical loading. What is the ratio
strength of beam A
ifbeam A has depth double that of beam
strength of beam B
1/2 1/4
87. What is the least count of a transit theodolite?
20 minutes 30 minutes
60 seconds 20 seconds
88. A steel rod of length 20 m at 30°C is heated upto 40°C. What is the temperature stress developed ifthe expansion is prevented? Given, a =12 x10.-6 per E x105N/mm2
2.4 N/mm2 24 N/mm2
240 N/mm2 0.24 N/mm2
89. What will be the deflection at the centre of a simply supported beam of rectangular cross
·section ifthe depth is doubled, for the same load
11· .
-of first case -of first case
2 6
8"1of first case of first case
4
90. IfK is the bulk modulus, E is theYoung's modulus and N is the shear modulus then, which is
the relation to find out Poisson's ratio
3K-2N
6K+2N
91. If three copl3.nar, concurrent forces are acting at a point are in equilibrium, of which two of them are collinear, then what is the magnitude of third force which is acting at an angle B with other two forces?
zero algebraic sum of other two forces
vector sum of other two forces none of the above
A 13 130/2015 [P.T.O.]
92. Where is the keystone of an arch being placed?
extrados . crown
intrados springing line
93. What is measured using a venturimeter?
velocity pressure
viscosity discharge
94. What will be the elongation of a prismatic bar of lerigth cross sectional area .hanging vertically under its own weight
WL WL
AE 3AE
WL WL
2AE
4AE
95. In a hydro electric scheme which of the following is used to carry water from storage reservoir to the power house?
forebay intake structure
draft tube penstocks
96. What is the nominal size of standard brick?
19cmx9 cmx9 cm 20cmx10 cmx10 cm.
22cmx11.5 cmx7.5 cm 20cmx10cmx5 cm
97. What will be the elementary profile of a gravity dam?
rectangular in section trapezoidal in section
polygon with six sides triangular in section
98. Where the tension steel is provided in a two way slab?
only at top only at bottom
at top and bottom at corners
99. What is a graph showing variations of discharge with time at a particular point of a stream?
Unit hydrograph Hyetograph
Strange's run off curve Hydrograph
100. For a redundant frame if number of members is m and number of joints isj then which of the following relations will be satisfied?
m (2j m (2j
m 2 m .
130/2015 14 A
Maximum: 100 marks
Time: 1 hour and 15 minutes
1. Stainless steel is an alloy of which among the following?
chromium, nickel and iron manganese, copper and iron
copper, carbon and iron copper, tin and zinc
2. What is determined by conducting an abrasion test?
aggregate crushing value toughness
hardness soundness
3. On which of the following, the support for flat slab is provide?
beams built monolithically above walls
columns built monolithically with slab
beams
walls
4. What is the width of Broad Gauge?
1.575 m 1.565 m
1.576 m 1.676 m
5. Among which of the following conditions a T-beam becomes identical to a rectangular beam with width equal to that of flange?
neutral axis remains within web
neutral axis remains within flange
neutral axis coinsides with geometrical centre of beam
none of these
6. Which among the following is a step used for changing the direction of a stair?
flight nosing
landing winder
7. By which of the following tests, fineness of cement can be determined?
permeability test soundness test
vicatapparatus test compression test
8. Among the following, in whicn type of canal, flow occurs only when there is a rise of flow in river? .
inundation canal contour canal
ridge canal side slope canal
A 3
[P.T.a.)
9. What is defined as the ratio of volume of air voids to the total volume of soil mass and is expressed as percentage?
void ratio porosity
percentage air voids air content
10. What is the side slope of a Cipoletti weir?
1 horizontal to 2 vertical 2 horizontal to 1 vertical
4 horizontal to 1 vertical 1 horizontal to 4 vertical
11. How the temporary hardness of water is removed?
by boiling by lime soda process
by zeolite process by aeration
12. In which of the following types of concrete beam section, failure will occur all on a sudden?
singly reinforced beam under reinforced section
balanced section over reinforced section
13. In which condition a doubly reinforced beam is used?
when extra safety is needed
when depth and breadth of beam have to be restricted in size
when large moment is expected
when depth is more than 1 m
14. In a water supply scheme, for what purpose aeration is carried out?
to remove taste and odour
for complete elimination of colloidal matter
for killing pathogenic bacteria
for coagulation
15. What is the disadvantage of centrifugal pump compared with reciprocating pump?
priming required pulsatory flow
low speed difficult to handle viscous fluid
•
16. What is known as the force per unit area required to penetrate into a soil mass with a circular plunger of 50 mm diameter at a rate of 1.25 mm/minute?
bearing capacity modulus of rupture
CBR aggregate crushing value
17. What is floor area ratio?
ratio of total floor area on all floors to plinth area
ratio of plinth area to plot area
ratio of ground floor area to plot area
ratio of total floor area on all floors to plot area
130/2015 4 A
18. What is azimuth?
arbitrary meridian true meridian
magnetic meridian CD) none of these
19. What will be the hydraulic mean depth for a most economical rectangular section of an open channel, of width B and depth
D/2 2D
2 BD3
BD
CD)
6 12
20. At any point on the magnetic equator what will be the angle of dip?
100° 0°
90° CD) 180°
21. What is the area of building, excluding the area occupied by walls?
net area plinth area
carpet area CD) floor area
22. In the case of open channel flow if the flow is laminar, which of the following is correct?
Reynplds number 500 Reynolds number> 500 .
Reynolds number 2000 CD) Reynolds number> 4000
23. Name the ratio of power available at the shaft of a turbine to the power delivered by water to the runner.
volumetric efficiency overall efficiency
mechanical efficiency CD) hydraulic efficiency
24. What is meant by cambium layer of an exogeneous tree?
layer between inner bark and sap wood
outermost layer of the tree
zone of inner rings surround the pith
layer between pith and heart wood
25. What is the difference between two measured values of same quantity in surveying?
variation discrepancy
int;entional error CD) balancing error
26. A wooden pile is being driven with a drop hammer weighing 18 kN and having a free fall of 1 m. The penetration in the last blow is 5 mm. Determine the load carrying capacity of pile according to the Engineering News formula:
100 kN 90kN
110 kN CD) 180kN
A 5 130/2015 [P.T.a.)
27. A jet of water, of cross sectional area 0.005 strikes a flat plate normally with a velocity of 15 m/s. Ifthe plate is moving with a velocity of 5 mls in the direction ofjet and away from the jet, what is the force exerted by the jet on the plate?
(At 250 N 0.50 N
500 N 0.25 N
28. Dry density of which sample is expected to be high?
organic clay dense sand
bentonite stiff clay
29. Which among the following is the great circle, formed by a plane through the observor's position that is to the direction' of gravity at that point intercepts the celestial sphere?
observor's meridian ecliptic
hour circle horizon
30. What is known as a watertight enclosure made up of sheet pile walls, usually temporary, built around a working area for the pUl:pose of excluding water during construction?
cofferdam bulkhead
penstock .box caisson
31. What is meant by Froude's number?
ratio of inertia force and viscous force
ratio of square root of inertia force and pressure force
ratio of square root of inertia force and gravity force
ratio of inertia force and pressure force
32. Among which of the following conditions, Darcy's Law is not applicable to seepage of soils?
soil is homogeneous
the flow conditions are turbulant in soil
the soil is incompressible under stress
the soil is isotropic
33. Which of the following is a field test?
vane shear test direct shear
triaxial compression test unconfined compression test
34. For what type of soil unconfined compression test is generally applicable?
saturated clay sand
silt poorly graded sandy silt
130/2015 6 A
35. If Cd =coefficient of discQarge, Cv =coefficient of velocity and =coefficient of contraction, then which of the following statement is correct?
Cd xCv Cv xCd
Cd Cv X None of these
36. Which ofthe foliowinK will have a piasticity index 20?
sand clay
silt compacted sand
.37. What is a protective barrier constructed to enclose harbours, and to keep the harbour waters undisturbed by the effect of heavy and strong seas?
entrance lock dock
shaft break water
38. Determine the total pressure on a circular plate of area of cross section 1 m2 which is placed vertically in water in such a way that the centre of the plate is 1 m below the free surface of water.
981 N 9.81 N
9810 N 98.1 N
39. Among which of the following tests conducted for measurement of shear strength of soil, no eJ1cess pore pressure is set up at any stage of the test? .
drained test undrained test
consolidated undrained test quick test
40. Which of the following laws gives the diameter of a sphere which will settle at a specific terminal velocity?
Darcy's Law Stoke's Law Hooke:s Law Gay -Lussac's Law
41. What is meant by optimum water content?
water content corresponding to maximum dry density
water content corresponding to zero air voids
water content corresponding to minimum dry density
water content corresponding to field density
42. What is the function of a fish plate?
for fixing rails to sleepers for fastening chairs to sleepers
for fixing wooden sleepers to rail. to hold two rails together
43. Which .among the following is pressure on a fluid below atmospheric pressure?
absolute pressure gauge pressure
vacuum pressure none of these
A 7 130/2015
[P.T.a.)
t
44. Which of the following is the unit of coefficient of consolidation?
cm2/sec cmlsec
m2/kN none of these
45. A simply supported beam of span 7 m has a point load of 3 kN at a distance of 2 m from left end A and a point load of 2 kN at a distance of 4 m from left end A. What will be the support reaction at
3 kN 2.5kN
19 kN
2 kN
7
46. Soils with a value of k (coefficient of permeability) ranging from 10-5 mmlsec to 10-3 mmlsec can be classified as
pervious semI pervIOus
impervious aquiclude
47. Which ofthe following soil samples will have grains of almost same particle size?
well graded good graded
gap graded poorly graded
48. Which among the following is the term used for change in volume of soil per unit of initial volume due to a given unit increase in pressure?
coefficient of volume change coefficient of compressibility
coefficient of settlement swelling index
49. Which of the following values, the voids ratio in soil can have theoretically?
1 only can be less than or more than 1
1 only 0.5
50. For what purpose stiffeners are used in a plate girder?
to connect the flange plates to the web
to provide web splice
to prevent buckling of web
to provide splice for flange plates and cover plates
51. Which of the follOving is a clayey soil that has never been subjected to an effective pressure greater than existing overburden pressure and which is also completely consolidated by the existing overburden pressure?
normally consolidated soil pre -consolidated soil
under -consolidated soil over consolidated soil
130/2015 8 A
52. By which simple equ<ltion the hydrologic cycle may be expressed?
Precipitation =Evaporation -Run off
Evaporation =Precipitation Run off
Run off=Precipitation Evaporation
Precipitation Evaporation Run off
53. Which among the following is a functional relation connecting the value of specific gravity, voids ratio, water content and degree of saturation?
eG wG
t
s ew
54. What is an impermeable formation which contain water but are not capable of transmitting or supplying a sufficient quantity?
aquifer aquifuge
perched aquifer aquiclude
55. Coefficient of permeability is inversely proportional to which of the following? . viscosity effective diameter
unit weight of water void ratio
56. If an auditorium has a total surface area of plaster, floor, curtains and seats equal to 160 m2 and volume of auditorium is 5000 m3, what is time of reverberation in seconds according to Sabin's equation?
3.2 seconds 5.12 seconds
5 seconds 8 seconds
57. According to Indian Standards, specific gravity of soil is the ratio of unit weight of solids to that of water at a temperature of:
4°C 27°C
17°C 36°C
58. What is the term used for the degree of disturbance of undisturbed clay sample due to remoulding expressed as ratio of unconfined compression strength in undisturbed state to that in remoulded state, without change in water content?
sensitivity thixotropy
collapse potential coefficient of structural collapse
59. Which among the following is also known as rolled steel joist?
rolled steel T section rolled steel channel section
rolled steel I section rolled steel angle section
A9 130/2015 [P.T.a.]
60. For shallow foundations if P is the load, y is the unit weight of soil and is the angle of
repose, which of the following is equal to total depth of foundation according to Rankine's formula?
p(l+sin<l» p(I-Sin<l»
y 1-sin y P (1-sin <1»2 P sin <1»2
y sin y 1-sin
61. Name the level surface to which the elevations are referred:
bench mark datum
base line change point
62. For no tension developed in a gravity dam, where the resultant of all forces on dam should always lie?
at toe near heel
at top within the middle third of the section
63. Two bodies of masses 5.5 kg and 4.3 kg are hung to the ends of rope, passing over a smooth frictionless pulley. With what acceleration the heavier mass comes down?
9.8 m/s2 4.73 m/s2
80 m/s2 1.2 m/s2
64. If WL liquid limit, Wp =plastic limit, Ws =shrinkage limit then which of the following is equal to plasticity index
WL -Wp
WL -Ws
65. Among the following which equipment is not used in chain survey?
ranging rod offset rod
alidade plumb bob
66. Name the end supports of the superstructure of a bridge:
abutments piers
wing walls deckings
67. A body was thrown vertically down from a tower. What is the distance travelled by the body
in the third second (If its fall, ifits initial velocity was 5.5 m/sec?
W 25m 60.Wm
Wm 30m
130/2015 10 A
68. Name the structure carrying discharge of a natural stream across a canal intercepting the stream:
Gallery Cut off pile
Cross drainage work Sluice
. 69. Which among the following is torsional rigidity?
.product of rigidity modulus and moment of inertia
product of rigidity modulus and polar moment of inertia
product of rigidity modulus and angle of twist
product of torque and radius of shaft
70. During setting and hardening of cement concrete, hydration of which among the followiog contributes to the progressive strength of concrete?
CsS CsA
C4AF 'C2S
71. What is the polar moment of inertial of a circle of diameter
7fD 4 trf)4
64 32
td)4
7fD 4
CD)
128 16
72. What is called, the time io hours taken by raiowater that falls at the farthest poiot to reach the outlet of a catchment?
effective duration basio lag
time of concentration recession time
73. Name the short sections of wood or steel, which are fixed on priocipal rafter of trusses to support purlios
ridge piece wall plate
eaves board (D).cleat
74. Name the area to be irrigated by a dam:
ayacut catchment area
reservorr upstream side
75. Among the following methods for computing average precipitation (or rainfall) ill which method the area of the basin is not taken into account?
Isohyetal method Thiesson polygon method
Arithmetic average method None of these
A f1 130/2015 [P.T.O·I
76. What is the super elevation (expressed in percentage terms) required for a road curve of radius 1000 m if the design speed is 100 km/hour?
W 1000%
1000 127
9.81
77. Which of the following is not included in temporary adjustments of a dumpy level?
setting up levelling up
elimination of parallax centering
78. Among the following which represents the irrigating capacity of a unit of water:
water application efficiency consumptive use efficiency
duty delta
79. .What is the maximum size of the particle of silt?
0.02 mm 0.002 mm
0.2 mm 0.06 mm
80. Name the well from which water flows automatically under pressure:
infIltration well artesian well
flowing well tube well
81. Which among the following is the back bearing of N300E?
E30°N N150°E
S 150° W S 30° W
82. Among the following, by which method the efficiency of a sedimentation tank can be increased for a given discharge?
by increasing the depth of the tank by decreasing the depth of the tank
by increasing the area of the tank by decreasing the area of the tank
83. For a cantilever beam of length what bending moment at free end would produce a deflection equal to that produced by a concentrated load Wat free end?
W
3
EI
3
84. If buckling of sand is not taken into account for volumetric proportioning of concrete, what will be the result?
no effect
buckling of concrete product will be the result
more quantity of concrete per bag of cement will be produced
less quantity of concrete per bag of cement will be produced
130/2015 12 A
85. In which direction, resultant force will shift by providing a top width for roadway and free board in elementary profile of a gravity dam, for full reservoir condition?
shift towards top shift towards toe
shift towards heel no shift at all
r
86. 'Ivo simply supported beams A and B of same width have identical loading. What is the ratio
strength of beam A
ifbeam A has depth double that of beam
strength of beam B
1/2 1/4
87. What is the least count of a transit theodolite?
20 minutes 30 minutes
60 seconds 20 seconds
88. A steel rod of length 20 m at 30°C is heated upto 40°C. What is the temperature stress developed ifthe expansion is prevented? Given, a =12 x10.-6 per E x105N/mm2
2.4 N/mm2 24 N/mm2
240 N/mm2 0.24 N/mm2
89. What will be the deflection at the centre of a simply supported beam of rectangular cross
·section ifthe depth is doubled, for the same load
11· .
-of first case -of first case
2 6
8"1of first case of first case
4
90. IfK is the bulk modulus, E is theYoung's modulus and N is the shear modulus then, which is
the relation to find out Poisson's ratio
3K-2N
6K+2N
91. If three copl3.nar, concurrent forces are acting at a point are in equilibrium, of which two of them are collinear, then what is the magnitude of third force which is acting at an angle B with other two forces?
zero algebraic sum of other two forces
vector sum of other two forces none of the above
A 13 130/2015 [P.T.O.]
92. Where is the keystone of an arch being placed?
extrados . crown
intrados springing line
93. What is measured using a venturimeter?
velocity pressure
viscosity discharge
94. What will be the elongation of a prismatic bar of lerigth cross sectional area .hanging vertically under its own weight
WL WL
AE 3AE
WL WL
2AE
4AE
95. In a hydro electric scheme which of the following is used to carry water from storage reservoir to the power house?
forebay intake structure
draft tube penstocks
96. What is the nominal size of standard brick?
19cmx9 cmx9 cm 20cmx10 cmx10 cm.
22cmx11.5 cmx7.5 cm 20cmx10cmx5 cm
97. What will be the elementary profile of a gravity dam?
rectangular in section trapezoidal in section
polygon with six sides triangular in section
98. Where the tension steel is provided in a two way slab?
only at top only at bottom
at top and bottom at corners
99. What is a graph showing variations of discharge with time at a particular point of a stream?
Unit hydrograph Hyetograph
Strange's run off curve Hydrograph
100. For a redundant frame if number of members is m and number of joints isj then which of the following relations will be satisfied?
m (2j m (2j
m 2 m .
130/2015 14 A
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