500 Best Building Materials MCQ
Q201). The stones obtained by blasting are used as
a).ballast in railways
b).aggregates for concrete
c).roadmetal
d).All the above.
Correct Answer:
All the above.
Explanation:
Q202). Distemper is
a).a paint consisting of powdered chalk, pigments, and water
b).a water proofing agent
c).a paint consisting of coloured cement and water
d).a drying agent.
Correct Answer:
a paint consisting of powdered chalk, pigments, and water
Explanation:
Q203). Oil varnish generally consists of
a).synthetic resin and spirit
b).oil, wax and resin
c).resin, oil and turpentine
d).spirit, oil and wax.
Correct Answer:
resin, oil and turpentine
Explanation:
Q204). Pick up the correct statement from the following:
a).The average crushing strength of hand moulded bricks is 6000 t/m
b).The average tensile strength of hand moulded brick is 200 t/m
c).The average shearing strength of hand moulded brick is 600 t/m
d).All the above.
Correct Answer:
All the above.
Explanation:
Q205). The cracks which extend from bark towards the sap wood in the cross section of a tree, are called
a).radial shakes
b).star shakes
c).heart shakes
d).cup shakes.
Correct Answer:
star shakes
Explanation:
Q206). Sea sand used in structures causes
a).dampness
b).efflorescence
c).disintegration
d).All of these.
Correct Answer:
All of these.
Explanation:
Q207). The compound of Portland cement which reacts immediately with water and also sets first is
a).Tri-calcium silicate
b).Di-calcium silicate
c).Tri-calcium aluminate
d).Tetra calcium alumino ferrite.
Correct Answer:
Tri-calcium aluminate
Explanation:
Q208). Refractory bricks resist
a).high temperature
b).chemical action
c).dampness
d).all the above.
Correct Answer:
high temperature
Explanation: