Engineering MCQ Quiz Hub

1. A bull nose brick is not used for
rounding off sharp corners
pillars
decoration purpose
arches.

2. Red short iron cracks when bent due to the presence of
sulphur
carbon
phosphorus
silicon.

3. Linseed oil is used in paints as
thinner
vehicle
base
drier.

4. Plaster of Paris is obtained by calcining
bauxite
gypsum
kankar
lime stone

5. For high grade instruments the steel preferred to, is
cast steel
bessemer steel
mild steel
whitworth compressed steel.

6. If the ore impurities is
clay, lime stone is used as flux
lime stone, clay is used as flux
lime stone, clay is used as flux
All the above.

7. The plastics prepared from Vinyl resin are
odourless
non-toxic
transparent
all of these.

8. Chlorite, a green colour mineral is mainly derived from the decomposition of
augite
biotite
horn blende
All of these.

9. During smelting process, the combination of fuel in the furnace
forms carbon dioxide
carbon dioxide with carbon forms carbon mono-oxide
carbon mono-oxide reacts with Fe2O3 to form iron and liberates CO2
all the above.

10. Lime stones are generally known as
aqueous rocks
sedimentary rocks
stratified rocks
all the above.

11. The method of addition polymerization is used for obtaining:
polythylene
polypropylene
polyvinylchloride
All of these.

12. Pick up the correct statement from the following:
The lime in excess makes the cement unsound and causes the cement to expand and disintegrate
The silica in excess makes the cement stronger but its setting time also increases
The excess amount of alumina weakens the cement
All the above.

13. A rock contains only one mineral It is called
homogeneous
non-homogeneous
monomineralic
polymineralic.

14. Asbestos
is a natural fibrous mineral substance
is composed of hydrous silicates of calcium and magnesium (CaSiO3, 3MgSiO3)
contains iron oxide and alumina
all the above.

15. Pegmatite is a/an
intrusive igneous rock
extrusive igneous rock
sedimentary rock
metamorphic rock.

16. The percentage of alumina and silica in good fire clay vary respectively is
25,75
30,70
35,65
All of these.

17. The term frog means
an apparatus to lift the stone
a depression on a face of brick
vertical joint in a brick work
soaking brick in water.

18. Asphalt is obtained from
petroleum distillation
bitumen distillation
plastic distillation
none of these.

19. To retard the initial setting time of cement, the compound responsible, is
Tricalcium silicate
Gypsum
Di-calcium silicate
Tri calcium aluminate.

20. Dorry's testing machine is used for
crushing test of stone
hardness test of stone
impact test of stone
water absorption test.

21. Stones used for rubble masonry must be
soft
hard
light
heavy

22. Index number expressing the relative sizes of both coarse and fine aggregates, is called
proportioning of aggregates
fineness modulus
grading of aggregates
none of these.

23. Dolomite is a lime stone which contains carbonate of magnesia upto
15%
20%
25%
35%

24. Priming consists of
one part of white lead, 8 parts of chalk and four parts of twice boiled linseed oil
8 parts of white lead, one part of chalk and four parts of twice boiled linseed oil
one part of white lead, 8 parts of chalk and one part of linseed oil
none to these.

25. The portion of the brick cut across its width and having its length equal to that of a full brick, is known as
closer
queen closer
king closer
none to these.

26. Seasoning of timber is done for
increasing moisture content
decreasing moisture content
increasing strength of timber
none to these.

27. Bitumen felt is used for
water proofing
damp proofing
both (a) and (b)
neither (a) nor (b).

28. According to ISI, bitumen is classified into
2 grades
4 grades
6 grades
10 grades.

29. Lime putty
is made from hydraulic lime
is made by adding lime to water
can be used only upto three days
all of above.

30. The minimum percentage of silica, alumina and ferric oxide in lime for white washing, is
20
15
10
0

31. For a 50 kg cement bag water required, is
16.5 litres
18.5 litres
20.5 litres
22.5 litres

32. The presence of sand in brick earth prevents:
cracking of bricks
shrinkage of bricks
warping of bricks
none of these.

33. The property by virtue of which lime sets under water, is known as
slacking
setting
hydraulicity
calcining.

34. Percentage content of silica in window glass, is
40 to 45
40 to 45
60 to 65
70 to 75.

35. The coefficient of hardness of stones used in road work should be greater than
10
12
15
17

36. Pick up the correct statement from the following:
Air bubbles in casting produce a dull sound by tapping their surfaces lightly with a hammer
Cupola furnace is used for the manufacture of cast iron
Red short iron is of no value for welding purpose
All the above.

37. The steel used for the manufacture of rails, is
Bessemer steel
mild steel
cast steel
stainless steel.

38. Slump test for concrete is carried out, to determine
strength
durability
workability
water content.

39. Basalt is
sedimentary rock
metamorphic rock
extrusive igneous rock
intrusive igneous rock.

40. The frog of a brick is normally made on its
top face
bottom face
longer face
shorter side.

41. The most important constituent of an oil paint, is
thinner
vehicle
pigment
all the above.

42. Granite mainly composed of quartz and felsper particles, is obtained from
sedimentary rocks
metamorphic rocks
igneous rocks
all the above.

43. Bullet proof glass is made of thick glass sheet sandwiched by a layer of
steel
stainless steel
high test plastic
chromium plate.

44. Pig iron obtained from the furnance which is properly provided with fuel at a very high temperature, is called
Bessemer pig
Grey or foundry pig
White or forge pig
None of the above.

45. Refractory bricks are
neutral refractory bricks
acid refractory bricks
basic refractory bricks
all of the above.

46. Porcelain is used as :
sanitary wares
electric insulators
storage vessels
All of the above.

47. Durability of building stone is affected by its
chemical composition
texture
resistance to atmosphere
All of the above.

48. Magnese steels
are non-magnetic
possess high electrical resistance
possess low coefficient of expansion
all the above.

49. Pick up the metal refractory from the following:
Molyblendum
Tungsten
Zicronium
All of these.

50. According to IS 399-1963, the weight of the timber is specified at
8% moisture content
10% moisture content
12% moisture content
14% moisture content