BKU-14223-A 1 [Turn over
ROUGH WORK

1. In the case of colliding elastic (perfectly) bodies

Static energy before impact static energy after impact


Kinetic energy before impact kinetic energy after impact


Static energy before impact kinetic energy after impact


None of the above


2. The variation of bending moment due to UDL is

Uniform in nature Linear in nature


Parabolic in nature Hyperbolic in nature


3. The longitudinal stress in a thin cylinder of mean radius wall thickness under pressure p is given by
pR pR

h 2·h
2pR p


h 2·hR
4. The influence line diagram is a graph that represents a function like

a reaction at a support the shear force at a section


the bending moment at a section all the above


5. The relationship between Modulus of Elasticity Modulus of Rigidity and Bulk Modulus K is given by
G 3K 3G K
E E
9KG 9KG
9KG 9KG
E E
G 3K 3G K
6. Modulus of rigidity may be defined as the ratio of

Longitudinal stress to longitudinal strain


Shearing stress to shearing strain


Longitudinal stress to shearing strain


Shearing stress to longitudinal strain


7. ……… is statically determinate structure.

Single hinged arch Two hinged arch


Three hinged arch Fixed arch


8. Principal planes are the planes on which maximum stress is the

Shear stress Normal stress


Tangential stress Temperature stress


9. The flexural stress in a beam shall be lower if its

Section modulus is quite low Section modulus is quite high


Section modulus is zero size is large


10. A soil has a discharge velocity of 6 × 10-7 m/s and a void ratio of 0.50. Its Seepage velocity is

12 × 10-7 m/s 18 × 10-7 m/s


24 × 10-7 m/s 36 × 10-7 m/s.


11. Critical hydraulic gradient in a saturated sand with water content 35% and specific gravity of solids 2.65, is

0·855 1·170


1·891 0·529


12. The load carrying capacity of an individual function pile is 200 kN. The total load carrying capacity of a group of a such piles with group efficiency factor 0.8 is

1800 kN 1640 kN


1440 kN 2250 kN


13. Total lateral earth pressure is proportional to

depth of soil square of the depth of soil


angle of internal friction of soil None of the above


14. If the coefficient of active earth pressure K is then the coefficient of passive earth pressure is
1/3 3/2

15. A soil mass is said to be in plastic equilibrium, if it is

in plastic stage at the verge of failure


stressed to maximum excess of plastic limit.


16. The critical depth is the depth of flow at which

the unit discharge is minimum the unit discharge is maximum


the specific energy is minimum the specific energy is maximum


17. When Froude's number is equal to unity, the flow in an open channel is called

critical flow tranquil flow


streaming flow shooting flow


18. The hydraulic jump occurs in a channel when the bed slope

is adverse changes from mild to steep


is reverse changes from steep to mild


19. Gradually varied flow is one in which

the depth changes gradually over a short distance


the depth changes gradually over a long distance


the width changes gradually over a short distance


the width changes gradually over a long distance


20. Water hammer is caused by

Sudden opening of a valve in a pipeline


Sudden closure of a valve in a pipeline


Incompressibility of fluid


Obstruction in a channel


21. The boundary layer separation starts occurring when
dp
0
dx
. .u .
.. 0

.y
.. y 0
22. The drag force is given by

CD . U2A


CD . U2A2


23. A well shaped triangle must have angles

greater than 30º and less than 120º


equally


24. Chainage and offset are

two instruments used in chain survey


longitudinal and lateral distances


numbers given chain survey


distances measured on a chain line.


. du .
.. 0
..
dy
.. y 0
d2p ve dx2
CD .2 U2A
.U2
CA
D2
less than 30º and more than 120º between 75º and 110º.
25. The bearings of two lines AB and AC are N 90º W and S 90º W respectively. The included angle BAC will be

180º 90º


0º None of the above


26. The FB of a line AB is N 40 ºE and the BB of the same line AB is S 40º the value of local attraction is

40º 0º


50º None of the above


27. The size of the theodolite is determined by measuring

the height of theodolite above the stand


the height of theodolite above ground level


the diameter of the horizontal circle


the length and breadth of the theodolite box.


28. The number of fundamental lines of a Transit theodolite are


29. The shift of the curve is calculated by using the relation
L2 R
S S
24R 24L2
2L

LR
S S
24 24R
30. Coordinate system for locating Heavenly bodies on Celestial sphere is

Declination and hour angle Altitude and azimuth


Right ascention and declination All of the above


31. The fixed end moment at left end of a fixed beam of length subjected to concentrated load at a distance from left support and from right support a is
Wa2b Wab2
2
LL
Wa b

None of these
L
32. A two hinged parabolic arch of span L and central rise h is represented by the equation
4hx 4hL

y y
L2 x2



y 4hx2 None of these


33. In a two hinged parabolic arch of span L and central rise the moment at inertia varies as I I sec . where I is moment of inertia at the crown. The horizontal thrust far this
oo
arch is given by
y dx y dx
. . 2
H H
ydx ydx

. . 2
y dx
.
H None of the above
y dx

. 2
34. For a two hinged parabolic arch of span L and central rise the influence line diagram for horizontal thrust is

Triangular Parabolic


Rectangular None of the above


35. In a truss carrying a load system, if two forces act at a joint and are in straight line, then to ensure the equilibrium of the joint

these two forces should be equal and opposite


these two forces should be perpendicular to each other


these two forces should be at 45º to each other


None of these is true


36. Unit load method can be used to find

Forces in members one by one


Forces in all the members at a time


Deflection of all joints at a time


Deflection of a single joint at a time


37. The vertical reaction at either end of a fixed beam undergoing sinking . (of a support with respect to other) is given by
6 EI . 3 EI .

l l
12 EI . 6 EI .
3
l l
38. The absolute stiffness of a member with far end hinged condition is
4EI 6EI

l l
8EI 3EI

l l
39. The ratio of the moment required to produce a given rotation at one end with far end fixed and hinged condition respectively is

4/3 3/4


1/2 None of these


40. The matrix stiffness method is also called as

Force method Displacement method


Approximate method None of these


41. In a fully saturated soil a reduction in volume is possible only for

Compression of water Expulsion of water from voids


Compression of soil skeleton None of these


42. The unconfined compression test is a special type of

vane shear test


unconfined undrained triaxial test


unconfined undrained direct shear test


drained triaxial test


43. Depth of embedment of anchored sheet pipe wall is determined by adopting

elastic line method, fixed earth support method, cantilever method, and


Equilibrium beam method


and are correct and are correct


and are correct and are correct


44. The best representation of bearing capacity factor Nr with respect to unit weight of soil for shallow foundation is

Nr 4·5 (Nq tan . Nr 5·7 (Nq tan .


Nr 6·1 (Nq tan . Nr 2 (Nq tan . where Nq is bearing capacity factor with respect to surcharge and . is the angle of internal friction.


45. Hot wire anemometer is used to measure

discharge pressure intensity of gas


velocity of gas pressure intensity of liquid


46. For a two dimensional flow having f 3xy, the velocity components at are

3


3


47. The relationship between Manning's coefficient n and Chezy's coefficient C is given by
2/3 1/6
R R
C C
n n
1/3 1/4
R R
C C
n n
48. If Fr is the Froud number for a flow in triangular channel then the Froude number for the same velocity and same depth of flow in a rectangular channel is
Fr

Fr


2 Fr


2 Fr

3

49. In an optical square, the mirrors are fixed at an angle of

30° 45°


60° 90°


50. The correction for a length of 30 m along a slope of 1 in 20 is equal to

7·5 cm 3·75 cm


2·5 cm 1·25 cm


51. The value of dip at the magnetic pole is

0° 45°


30° 90°


52. The algebraic sum of departure and latitude in a closed traverse must be

greater than zero less than zero


equal to zero None of these


53. If the face left and face right observations of a theodolite differs by the error is equal to




30"


54. If (the focal length) of the object glass is 24 cm and the spacing of cross-hair stadia diaphragm is 12 mm, then the multiplying constant is

0·05 0·005


200 20


55. For a transition curve, total angle of deflection is

spiral angle spiral angle


spiral angle spiral angle


56. Length of the transition curve is equal to

v3/CR v2/CR

v/CR
v/CR where, v is the velocity, R is the radius of circular curve and C is the rate of change of radial acceleration.


57. Which of the following is an ideal transition curve

parabolic curve cubical curve


clothoid curve None of these


58. The curl of a vector

may or may not be a vector


refers to the rotationality of the vector field


refers to the efflux of the vector


Vanishes if the vector has a constant magnitude


59. The resultant of a system of forces in a plane is always

a single force a single moment


a single force or single moment a single force and a single moment


60. The moment of inertia of a body is

the moment of its inertia


the rotational moment acting on the body


the rotational analogue of mass


None of these


61. The frame shown below is statically indeterminate to



third degree fifth degree


sixth degree eleventh degree


62. A vibratory compactor is used for the compaction of

cohesive soils granular soils


both and None of these


63. The ratio of undisturbed shear strength to the shear strength of remoulded soil is known as

sensitivity activity


both and None of these


64. The column analogy method is applicable for the indeterminate structure having maximum redundancy equal to

3 No limitation
65. The process of consolidation will be

quicker in a fine grained soil


quicker in a coarse grained soil


The same in both fine-grained and coarse-grained soils


None of these


66. For a beam carrying a uniformly distributed load, the strain energy will be maximum in case the beam is:

Cantilever Simply supported


Propped cantilever fixed at both ends


67. The shear equation for the portal frame as shown in fig. is

M MM M
ABBA CDDC
P 0
LL
M MM M
ABBA BCCB
P 0
LL
M MM M
BCCB CDDC
P 0
LL
None of these
68. The Colebrook-white formula for pipe friction is for

artificially roughened pipes


commercial pipes


pipes coated with non-uniform sand


pipes coated with uniform sand


69. In a hydraulically most efficient Rectangular channel section the ratio of the bed width to depth is

0·50 2·0


1·0 1·15


70. A laminar boundary layer has a velocity distribution given by u/U y/d. The displacement thickness for this boundary layer is

d d/2


d/4 d/6


BKU-14223-A 12
71. If the velocity u in a turbulent boundary layer varies as the growth of the boundary
layer thickness d/x varies as
1/5 1/2
Rex Re- x
4/5 1
Re- x Re- x
72. In a turbulent flow through a pipe of radius "r0" the radial distance at which the local velocity is equal to the mean velocity is

r 0 ·223 r0


·777 r0 ·5 r0


73. Pa-s is unit of

Surface Tension Kinematic viscosity


Pressure Dynamic viscosity


74. An iceberg has 12% of its volume projecting above the surface of the sea. If the density of sea water is 1025 kg/m3, the density of the iceberg is

878 kg/m3 1000 kg/m3


1148 kg/m3 902 kg/m3


75. The Reynolds number for flow of an oil in a certain pipe is 640. The Darcy-Weisbach friction factor f for this flow is

0·02 0·01


0·1 ·064


76. The permissible error in chaining for measurement with a chain on rough or hilly ground is

1 in 100 1 in 250


1 in 500 1 in 1000


77. If the back bearing of a line is N 30° its fore bearing is

S 30° W S 30° E


N 30° E N 30° W


78. Correction due to refraction (in is given by

0·0112 D2 0·0785 D2


0·0673 D2 0·0012 D2
where D is the horizontal distance between the object and instrument in km.



79. A subtense bar is used to measure

Horizontal Distance Vertical Distance


Horizontal Angle Vertical Angle


80. The radius of simple circular curve is 30 m and the length of the specified chord is 30 m. The degree of the curve is

57·29 3·70


55·60 37·03


81. If the resultant of two forces has the same magnitude as either of the force then the angle between the two forces is

30º 45º


60º 120º


82. The centre of gravity of a hemisphere of radius r from its base measured along the vertical radius is
4r 3r

32
3r 4r


8 7
83. If the angular rotation . 2t3 3t2, the angular acceleration at t 1s is

1 rad s2 4 rad s2


6 rad s2 12 rad s2


84. For a given velocity of a projectile, the range is maximum when the angle of projection is

30º 90º


45º 57º


85. The shape of a suspended cable for a uniformly distributed load over (if the sag to span ratio is small) it is

circular parabolic


catenary cubic parabola


86. An internal hinge or roller support in a real beam becomes ......... in its conjugate beam.


an internal hinge a roller support


free a fixed support


87. What is the degree of static in determinacy of the frame shown in figure

5 4
3 6
BKU-14223-A 14

88. When a uniformly distributed load shorter than span of a simply supported beam crosses it, then maximum bending moment at a section occurs when position of load is such that

section divides the load in the same ratio as it divides the span


head or tail of the load is at the section


section divides the load in two equal parts


load is placed symmetrically on span


89. Force in member AB of a truss shown in figure is


2 W W
L
L

2 W Zero


4 W


2 W

90. The variation of bending moment along the length of central column of the frame shown in figure is


rectangular triangular


parabolic zero throughout


91. A linear arch has

normal thrust only shear force only


bending moment only normal thrust and shear force


92. The ratio of maximum shear stress to the average shear stress in a circular section is

9/8 4/3


3/2 5/4


93. For a body subjected to hydrostatic state of stress, the shear stress on a plane inclined at an angle of 45º with the horizontal is

maximum zero


minimum one third of hydrostatic pressure


94. If the deflection at the free end of a uniformly loaded cantilever beam of length 1 m is equal to 7·5 mm, then the slope at the free end is

0·01 rad 0·015 rad


0·02 rad none of the above


95. In a solid rectangular shaft subjected to torsion, the maximum shear stress occurs at

centre corners


mid of smaller side mid of longer side


96. Angle of dip at equator is

0º 90º


45º 30º


97. A 10 cm theodolite means that

The length of telescope is 10 cm


The height of telescope is 10 cm


The diameter of Graduated circle of its lower plate is 10 cm


The diameter of Graduated circle of its vertical circle is 10 cm


98. Spire test is used for adjustment of

Line of sight Horizontal Axis


Vertical Axis Adjustment of Altitude bubble


99. The combined curvature and refraction correction for 1 km distance is

0·0112 m 0·0673 m


1·120 m 6·73 m


100. In a closed traverse of n sides, the theoretical sum of included angles should be

(2n × 90 (2n × 90


(2n × 90 360º


BKU-14223-A 16
101. Which pair is not correctly matched

Casagrande's Apparatus Liquid Limit


Pyenometer Specific Gravity


Oedometer Coeff. of Consolidation


Vane shear test Angle of Internal friction


102. Volumetric expansion of soil due to shear in a drained shear test is called

Thixotropy Swelling


Dilatancy Creep


103. The possibility of Quick sand condition is when flow of water to soil is

Horizontal Upward


Downward Radial


104. Liquid Limit of a soil indicates its

Compressibility Permeability


OMC Shear Strength


105. Law used in Permeability test is

Darcy Law Stokes Law


Newton Law Pascal Law


106. The viscosity of

liquid increases with increase in temperature


gases increases with increase in temperature


gases decrease with increase in temperature


None of the above


du
107. If the relationship between the shear stress t and the rate of shear strain is expressed
dy
n
.

du
.

as t K the fluid with the exponent n 1 is known as
..

..

dy
Pseudoplastic fluid Bingham fluid
Dilatant fluid Newtonian fluid
108. A streamline is a line


which is normal to the velocity vector at every point


which represents lines of constant velocity potential


which is normal to the lines of constant stream function


which is tangential to the velocity vector everywhere at a given instant


109. If . 2xy, the magnitude of the velocity vector at is
2 4
2
where . is stream function.

110. Bernoulli equation is applicable between two points

In any rotational flow of an incompressible fluid


In any type of irrotational flow of a fluid


In steady rotational flow of an incompressible fluid


In steady, irrotational flow of an incompressible fluid


111. Which of the following is not a dimensionless number

Darcy-Weisback friction factor "f "


Coefficient of drag "CD"


Manning's coefficient "n"


Coefficient of velocity "CV"


112. In a 1/60 model of a spillway the discharge was measured as 0·150 m3/s. The corresponding prototype discharge in m3/s is

4183 2789


32400 5400


113. The momentum correction factor ß for laminar flow through a circular pipe is

1·5 2·0


1·67 1·33


114. In laminar flow between two fixed parallel plates the shear stress is

Constant across the passage


Maximum at centre and zero at the boundary


Zero all through the passage


Maximum at the boundary and zero at the centre


115. In a hydrodynamically smooth surface the roughness magnitude K and laminar sublayer layer thickness are related as

1·0 0·25


6·0 1/30


BKU-14223-A 18
116. In a turbulent flow through a pipe the mean velocity is 3·61 m/s and the friction factor f 0·02. The shear velocity of the flow in m/s

3·610 0·180


2·725 0·482


117. In the Moody diagram the values of f for turbulent flow are based on

Nikuradse's uniform sand grain data


Data on non-uniform sand grains coated to pipe


Colebrook-white data on commercial pipes


Hazen-William pipe flow formula


118. In a sudden explain, loss of head is given by the
(V2 V2) 0·5(V V)2 /2g
1 2g 12
(V1 V2)2 /2g 0·5 V22/2g
119. A rectangular channel of 4 m width conveys water at 8 m3/s under critical condition. The specific energy for this flow is

0·742 m 1·488 m


0·370 m 1·112 m


120. A triangular channel with side slopes of 1·5 H IV carries a discharge of 2m3/s. The critical depth for this flow is

1·129 m 0·816 m


0·742 m 0·711 m


ROUGH WORK