Civil Engineering - Building Materials

1. 

The commonly used drying oil for oil paints, is

A. olive oil
B. linseed oil
C. kerosine oil
D. accetate of lead.

Answer: Option D

Explanation:

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2. 

Initial setting of cement is caused due to

A. Tri-calcium silicate
B. Di-calcium silicate
C. Tri-calcium aluminate
D. Tetra calcium alumino ferrite.

Answer: Option C

Explanation:

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3. 

The foliated structure is very common in

A. sedimentary rocks
B. igneous rocks
C. metamorphic rocks
D. none of these.

Answer: Option C

Explanation:

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4. 

Turpentine oil is used in paints as

A. thinner
B. vehicle
C. base
D. drier.

Answer: Option A

Explanation:

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5. 

The hardest rock is

A. marble
B. diamond
C. talc
D. quartz.

Answer: Option B

Explanation:

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