Civil Engineering - Building Materials MCQs Part 8
1. The size of mould for bricks, is generally kept
A.
a little large to specified size
a little large to specified size
B.
a little small to specified size
a little small to specified size
C.
equal to specified size
equal to specified size
D.
10% larger than specified size
10% larger than specified size
E.
20% larger than specified size.
20% larger than specified size.
Answer Option A
2. Most commonly used solvent in oil paints, is
A.
petroleum
petroleum
B.
spirit
spirit
C.
coaltar
coaltar
D.
turpentine.
turpentine.
Answer Option A
3. Acrylic sheets
A.
possess 10 to 17 times greater breakage resistance than that of glass of equivalent thickness
possess 10 to 17 times greater breakage resistance than that of glass of equivalent thickness
B.
are generally unaffected by most household detergents
are generally unaffected by most household detergents
C.
possess the light transmission rate of 93%
possess the light transmission rate of 93%
D.
are available in various shapes
are available in various shapes
E.
all the above.
all the above.
Answer Option E
4. With storage, strength of cement
A.
increases
increases
B.
decreases
decreases
C.
remains the same
remains the same
D.
none to these.
none to these.
Answer Option B
5. The commonly used raw material in the manufacture of cement, is
A.
slate
slate
B.
sand stone
sand stone
C.
lime stone
lime stone
D.
basalt.
basalt.
Answer Option C
6. Pick up the correct statement from the following:
A. The free quartz suddenly expands at a temperature lower than 600°C
B. The lime stone resists fire upto about 800°C and at higher temperature it splits into CaO and CO2
C. The sand stone with silicates resist a fire in a better way
D. The argillaceous stone though poor in strength can resist fire quite weak
E. All the above.
Answer Option E
7. The most commonly used base for timber painting, is
A. red lead
B. zinc white
C. white lead
D. titanium white.
Answer Option C
8. Pick up the most favourable condition for the rapid growth of fungus for dry rot from the following:
A. absence of sun light
B. dampness
C. presence of sap
D. stagnant air
E. All the above,
Answer Option E
9. The rocks formed from molten magma, are called
A. sedimentary rocks
B. igneous rocks
C. metamorphic rocks
D. none of these.
Answer Option B
10. Bitumen paints offer
A. pleasing surface
B. hard surface
C. smooth surface
D. protective surface
E. rough surface.
Answer Option D
11. Pick up the correct statement from the following:
A. Styrene resin is produced from ethylene which is made from petroleum
B. Styrene resin is light in weight
C. Styrene resin transmits ultraviolet waves of light
D. Styrene resin is used to manufacture utensils which are unaffected by chemicals
E. All the above.
Answer Option E
12. The lime which contains high percentage of calcium oxide, is generally called
A. fat lime
B. rich lime
C. white lime
D. All of these.
Answer Option D
13. For construction of structures under water, the type of lime used, is
A. hydraulic lime
B. fat lime
C. quick lime
D. pure lime
E. none of these.
Answer Option A
14. Pick up the correct statement from the following:
A. Rust is due to formation of oxides
B. Cast iron oxidises less
C. Steel oxidises most
D. Wrought iron oxidises moderately
E. All the above.
Answer Option E
15. A prime coat is given to steel work with
A. an oxide of iron paint
B. a mixture of white lead and lead paint
C. a special paint
D. cement paint.
Answer Option B
16. Ground glass
A. is made by grinding its one side
B. is made by melting powdered glass paints surface
C. is used for getting light without transparency
D. all the above.
Answer Option D
17. The harmonious mixing of the clay ingredients, is known as
A. weathering
B. blending
C. tempering
D. None of these.
Answer Option B
18. Brass is an alloy of
A. copper and zinc
B. zinc and lead
C. tin and silver
D. zinc and nickel
E. tin and lead.
Answer Option A
19. The wedging is adopted for quarrying costly stratified rock such as
A. laterite
B. marble
C. limestone
D. sandstone
E. All the above.
Answer Option E
20. Rapid hardening cement attains early strength due to
A. larger proportion of lime grounded finer than normal cement
B. lesser proportion of lime grounded coarser than normal cement
C. lesser proportion of lime grounded finer than normal cement
D. larger proportien of lime grounded coarser than normal cement
E. excess percentage of gypsum.
Answer Option A
21. The colour of statuary marble used for sculptor's work, is
A. red
B. blue
C. white
D. green
E. yellow
Answer Option C
22. Second class bricks
A. are of dark brown colour
B. produce a metallic sound when struck
C. are well burnt
D. are under burnt.
Answer Option B
23. Pick up the correct statement from the following:
A. The low voltage porcelain is prepared by wet process
B. The high voltage porcelain is prepared by dry process
C. The low voltage porcelain is prepared by dry process
D. None of the above.
Answer Option C
24. Pick up the correct statement from the following:
A. Adding 5% to 6% of moisture content by weight, increases the volume of dry sand from 18% to 38%
B. The bulking of fine sand is more than that of coarse sand
C. If the percentage content of moisture exceeds 10%, increase in bulk of sand starts increasing
D. The volume of fully saturated sand equals that of dry sand
E. All the above.
Answer Option E
25. Teak wood is suitable for
A. sports articles
B. furnitures
C. railway sleepers
D. all the above.
Answer Option B
26. Plywood is normally available
A. 1 mm thick
B. 2 mm thick
C. 2 to 3 mm thick
D. 3 mm to 4 mm thick.
Answer Option D
27. French polish is
A. oil paint
B. distemper
C. spirit varnish
D. none to these.
Answer Option C
28. In stone masonry, if stones are so placed that their layers are parallel to the direction of load, they
A. split easily
B. are affected by moisture
C. both (a) and (b)
D. none of these.
Answer Option C
6. Pick up the correct statement from the following:
A. The free quartz suddenly expands at a temperature lower than 600°C
B. The lime stone resists fire upto about 800°C and at higher temperature it splits into CaO and CO2
C. The sand stone with silicates resist a fire in a better way
D. The argillaceous stone though poor in strength can resist fire quite weak
E. All the above.
Answer Option E
7. The most commonly used base for timber painting, is
A. red lead
B. zinc white
C. white lead
D. titanium white.
Answer Option C
8. Pick up the most favourable condition for the rapid growth of fungus for dry rot from the following:
A. absence of sun light
B. dampness
C. presence of sap
D. stagnant air
E. All the above,
Answer Option E
9. The rocks formed from molten magma, are called
A. sedimentary rocks
B. igneous rocks
C. metamorphic rocks
D. none of these.
Answer Option B
10. Bitumen paints offer
A. pleasing surface
B. hard surface
C. smooth surface
D. protective surface
E. rough surface.
Answer Option D
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