Exam Details

Subject building material
Paper
Exam / Course diploma engineering
Department
Organization Gujarat Technological University
Position
Exam Date January, 2019
City, State gujarat, ahmedabad


Question Paper

1/9
Seat No. Enrolment No.:
Gujarat Technological University
Diploma Engineering C to D Bridge Course Examination
Subject Code: C315003 Date: 02 -01 -2019
Subject Name: Building Material
Time: 1 Hour and 30 Minutes Total Marks: 70
Instructions:
1. Attempt all questions.
2. Make suitable assumption wherever necessary.
3. Each question is of 1 mark.
4. Use of SIMPLE CALCULATOR is permissible. (Scientific/Higher Version not allowed)
5. English version is authentic.
No.
Question Text and Option.
1.
The rock containing granular structure are:
A.
Stratified rocks
B.
Unstratified rocks
C.
Foliated rocks
D.
All of above


A.

B.

C.

D.

2.
The rocks which are hard and durable are:
A.
Siliceous rocks
B.
Argillaceous rocks
C.
Calcerous rocks
D.
None


A.

B.

C.

D.

3.
Basalt is which type of rock
A.
Metamorphic
B.
Igneous
C.
Sedimentary
D.
None


A.

B.

C.

D.

4.
Stone used in steps,sill,facing work is
A.
Chalk
B.
Basalt
C.
Laterite
D.
Granite


A.

B.

C.

D.

5.
The rocks which are formed by the cooling of magma are known as .
A.
Sedimentary rocks
B.
Igneous rocks
C.
Metamorphic rocks
D.
Stratified rocks


A.

B.

C.

D.

6.
A good brick should contain .................% of alumina.
2/9
A.
30-40
B.
10-20
C.
20-30
D.
30-40

..............
A.
30-40
B.
10-20
C.
20-30
D.
30-40
7.
In manufacture of bricks which is the first process
A.
Burning
B.
Drying
C.
Preparation of clay
D.
Moulding


A.

B.

C.

D.

8.
For first class brick the brick should not absorb water more than ..............% by weight.
A.
20
B.
30
C.
15
D.
10

........
A.
20
B.
30
C.
15
D.
10
9.
For second class brick the brick should not absorb water more than ..............% by weight.
A.
30
B.
20
C.
10
D.
22

.............%
A.
30
B.
20
C.
10
D.
22
10.
For a good quality brick the crushing strength should not be below
A.
5.50
B.
10
C.
4.10
D.
6.2


A.
5.50
B.
10
C.
4.10
D.
6.2
11.
The bricks used in unimportant and temporary structure is known as
A.
Second class brick
B.
Fourth class brick
C.
Third class brick
D.
First class brick


A.

B.

C.

D.

12.
The bricks used for permanent structure
A.
First class
B.
Second class
C.
Third class
D.
Both a and b


A.

B.

C.

D.
A B
13.
The standard size of brick in mm is
A.
190 x 90 x 90
B.
200 x 100 x 100
C.
180 x 20 x 20
D.
160 x 30 x 30


A.
190 x 90 x 90 mm
B.
200 x 100 x 100 mm
C.
180 x 20 x 20 mm
D.
160 x 30 x 30 mm
14.
The bricks with a rounded angle is
A.
Channel brick
B.
Coping brick
C.
Bullnose brick
D.
Paving brick
3/9


A.

B.

C.

D.

15.
The maximum desirable temperature for brick burning is
A.
1100° C
B.
500° C
C.
650° C
D.
1800° C


A.
1100° C
B.
500° C
C.
650° C
D.
1800° C
16.
Good brick should be
A.
Table moulded
B.
Well burnt
C.
Copper color
D.
All of above


A.

B.

C.

D.

17.
The temporary structure used to manufacture bricks on a small scale is
A.
Kiln
B.
Clamp
C.
Both a and b
D.
None


A.

B.

C.
A B
D.

18.
Pug mill is used for:
A.
Weathering
B.
Blending
C.
Tempering
D.
Digging


A.

B.

C.

D.

19.
Presence of lime should not exceed……… for good bricks.
A.
10%
B.

C.

D.


......... .
A.
10%
B.

C.

D.

20.
First class bricks are
A.
Hand moulded
B.
Table moulded
C.
Both a and b
D.
None


A.

B.

C.
A B
D.

21.
Which is the harmful ingredient in brick clay.
A.
Silica
B.
Magnesia
C.
Alumina
D.
None


A.

B.

C.

D.

22.
The importance of frog is:
A.
Embossed the manufacturer's
name
B.
Reduced the weight of bricks
C.
From key joint between bricks
and mortar
D.
For expansion joint


A.

B.

4/9
C.

D.

23.
Hollow bricks are used for:
A.
Ornamental designs
B.
Increasing the bearing area
C.
Resistance against heat flow
D.
Earthquake proof building


A.

B.

C.

D.

24.
Which brick is used for breaking joints in English bond?
A.
King closer
B.
Queen closer
C.
Cornice
D.
Bullnose


A.

B.

C.

D.

25.
The crushing strength of 1st class brick is:
A.
7
B.
5.5
C.
7.5
D.
10.5


A.
7
B.
5.5
C.
7.5
D.
10.5
26.
Which constituent is responsible for producing hydraulicity in limestone?+
A.
Sulphates
B.
Pyrites
C.
Iron
D.
Clay


A.

B.

C.

D.

27.
Which of the following lime is not very strong
A.
Hydraulic Lime
B.
Fat Lime
C.
Poor Lime
D.
Both a and b


A.

B.

C.

D.
A B
28.
The heating to redness in contact with air is known as
A.
Hydraulicity
B.
Setting
C.
Calcination
D.
Slaking


A.

B.

C.

D.

29.
During chemical reaction of Limestone the by product obtained are and
A.
Slaked lime and heat
B.
Lime and carbon dioxide
C.
Quick lime and carbon dioxide
D.
Fat lime and heat

.
A.

B.

C.

D.

30.
The lime which is obtained by calcination of pure limestone is known as
A.
Slaked lime
B.
Quick lime
C.
Hydraulic lime
D.
None


A.

B.

5/9
C.

D.

31.
The presence of in small quantities accelerates the process of setting and reduces slaking action.
A.
Iron
B.
Sulphates
C.
Both a and b
D.
None of a and b


A.

B.

C.
a b
D.
a b
32.
Lime which is perfectly white in colour is
A.
Hydraulic lime
B.
Quick lime
C.
Fat lime
D.
Poor lime


A.

B.

C.

D.

33.
Which Lime is suitable for the preparation of mortar for construction of thick wall
A.
Hydraulic lime
B.
Quick lime
C.
Fat lime
D.
Hydrated lime


A.

B.

C.

D.

34.
Eminently hydraulic lime
A.
Sets quickly
B.
Slakes slowly
C.
Does not set under water
D.
Is useful for white washing


A.

B.

C.

D.

35.
Which lime is sets under water
A.
Fat lime
B.
Poor lime
C.
Quick lime
D.
Hydraulic lime


A.

B.

C.

D.

36.
The function of fine aggregates is to
A.
Improve workability of concrete
B.
Reduce workability of concrete
C.
Maintain workability of concrete
D.
Balance workability of concrete


A.

B.

C.

D.

37.
The material retaining on BIS sieve no 480 is known as
A.
Coarse aggregate
B.
Fine aggregate
C.
Both a and b
D.
None

480
A.

B.

C.
a b
D.

38.
Fine aggregates are used in
A.
Plastering
B.
Filling trenches
C.
Pointing
D.
All of the above


A.

B.

C.

D.

6/9
39.
Laboratory test for cement is
A.
Setting time
B.
Compresssive strength
C.
Soundness test
D.
All of the above


A.

B.

C.

D.

40.
The test used to detect deterioration of cement due to storage is known as
A.
Setting time
B.
Compresssive strength
C.
Soundness test
D.
None of the above


A.

B.

C.

D.

41.
Cement main ingredient is
A.
Alumina
B.
Lime
C.
Silica
D.
Magnesium oxide


A.

B.

C.

D.

42.
For cement Vicat apparatus is used to determine
A.
Soundness
B.
Consistency
C.
Strength
D.
Setting time


A.

B.

C.

D.

43.
Which of the following cement is used for marine structures
A.
Pozzuolana cement
B.
White cement
C.
Coloured cement
D.
Acid resistant cement


A.

B.

C.

D.

44.
Soundness test of cement is carried out to detect
A.
Presence of uncombined lime
B.
Presence of water
C.
Tensile strength
D.
Setting time


A.

B.

C.

D.

45.
Which test is carried out for concrete?
A.
Workability
B.
Ball test
C.
Acid Test
D.
Water absorption


A.

B.

C.

D.

46.
How many days, a timber may require for natural seasoning.
A.
20 month
B.
6 month
C.
12 month
D.
24 month


A.
20
B.
6
C.
12
D.
24
47.
Which wood is used to making handles?
A.
Teak
B.
Babul
7/9
C.
Chir
D.
Deodar


A.

B.

C.

D.

48.
Natural defects of timber are
A.
Knots
B.
Checks
C.
Bow
D.
Split


A.

B.

C.

D.

49.
The curvature developed in longitudinal direction of timber is known as
A.
Checks
B.
Knots
C.
Split
D.
Bow


A.

B.

C.

D.

50.
The fibres of timber in construction should be
A.
Straight
B.
Elongated
C.
Wavy
D.
None


A.

B.

C.

D.

51.
The timber whose breadth and thickness do not exceed by 50mm is?
A.
Planks
B.
Board
C.
Batten
D.
Baulk

50mm
A.

B.

C.

D.

52.
Which wood is used to making furniture
A.
Pine
B.
Teak
C.
Deodar
D.
Banyan


A.

B.

C.

D.

53.
Seasoning of timber means,
A.
Method of drying of timber
B.
Felling of timber in various seasons
C.
Methods of storing of timber
D.
Method of preserving the timber


A.

B.

C.

D.

54.
Which of the following is skin of the tree
A.
Pith
B.
Outer bark
C.
Cambium layer
D.
Heart wood


A.

B.

C.

D.

55.
Water stain knots defects in timber are caused by
A.
Natural forces
B.
Insects
C.
Fungi
D.
Seasoning


A.

B.

8/9
C.

D.

56.
The good quality brick should not break when dropped from height of
A.
2 m
B.
1m
C.
1.5 m
D.
2.5 m

.
A.
2 m
B.
1m
C.
1.5 m
D.
2.5 m
57.
Which stone is good to used on kitchen platform
A.
Granite
B.
Marble
C.
Sand stone
D.
slate


A.

B.

C.

D.

58.
Honey combing, bow twist defects in timber are due to
A.
Fungi
B.
Seasoning
C.
Insects
D.
Non of above


A.

B.

C.

D.

59.
Which of the following method is not used for artificial seasoning of timber
A.
Open Air seasoning
B.
Kiln seasoning
C.
Electrical seasoning
D.
Chemical seasoning


A.

B.

C.

D.

60.
Which is the test to be performed to determine the quality of lime
A.
Acid test
B.
Heat test
C.
Ball test
D.
All of above


A.

B.

C.

D.

61.
Which of the following constituents make the brick RED?
A.
Magnesia
B.
Iron oxide
C.
Alkalies
D.
Lime


A.

B.

C.

D.

62.
Which of the following test is used for fine aggregates?
A.
Sieve analysis
B.
Abrasion test
C.
Impact test
D.
Sound test


A.

B.

C.

D.

63.
Which one is the harmful ingredients in brick clay
A.
Pebbles
B.
Magnesia
C.
Silica
D.
Alumina


A.

B.

C.

D.

64.
The property of a material to absorb water vapour from air mean
9/9
A.
Fire resistance
B.
Hygroscopicity
C.
Water permeability
D.
Water absorption


A.

B.

C.

D.

65.
The ability of the material to resist failure under the action of stresses caused by loads
mean
A.
Strength
B.
Elasticity
C.
Capacity
D.
Durability


A.

B.

C.

D.

66.
Which one is odd one?
A.
Elasticity
B.
Ductility
C.
Strength
D.
Density


A.

B.

C.

D.

67.
The combined action of abrasion and impact is known as
A.
Wear
B.
Creep
C.
Fear
D.
Brittle


A.

B.

C.

D.

68.
Which of the following indicates mechanical property of the material?
A.
Elasticity
B.
absorption
C.
Porosity
D.
Density


A.

B.

C.

D.

69.
Which stone has highest compressive strength.
A.
Granite
B.
Gneiss
C.
Limestone
D.
Laterite.


A.

B.

C.

D.

70.
Laterite is a
A.
Calcarious
B.
Argillaceous
C.
Volcanic
D.
Silicious


A.

B.

C.

D.




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