Civil Engineering - Building Materials

1. 

The size of mould for bricks, is generally kept

A. a little large to specified size
B. a little small to specified size
C. equal to specified size
D. 10% larger than specified size
E. 20% larger than specified size.

Answer: Option A

Explanation:

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2. 

Most commonly used solvent in oil paints, is

A. petroleum
B. spirit
C. coaltar
D. turpentine.

Answer: Option A

Explanation:

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3. 

Acrylic sheets

A. possess 10 to 17 times greater breakage resistance than that of glass of equivalent thickness
B. are generally unaffected by most household detergents
C. possess the light transmission rate of 93%
D. are available in various shapes
E. all the above.

Answer: Option E

Explanation:

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4. 

With storage, strength of cement

A. increases
B. decreases
C. remains the same
D. none to these.

Answer: Option B

Explanation:

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5. 

The commonly used raw material in the manufacture of cement, is

A. slate
B. sand stone
C. lime stone
D. basalt.

Answer: Option C

Explanation:

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