Civil Engineering - Building Materials

41. 

The most important constituent of an oil paint, is

A. thinner
B. vehicle
C. pigment
D. base
E. all the above.

Answer: Option E

Explanation:

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42. 

Granite mainly composed of quartz and felsper particles, is obtained from

A. sedimentary rocks
B. metamorphic rocks
C. igneous rocks
D. all the above.

Answer: Option C

Explanation:

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43. 

Bullet proof glass is made of thick glass sheet sandwiched by a layer of

A. steel
B. stainless steel
C. high test plastic
D. chromium plate.

Answer: Option C

Explanation:

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44. 

Pig iron obtained from the furnance which is properly provided with fuel at a very high temperature, is called

A. Bessemer pig
B. Grey or foundry pig
C. White or forge pig
D. Mottled pig
E. None of the above.

Answer: Option B

Explanation:

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45. 

Refractory bricks are

A. neutral refractory bricks
B. acid refractory bricks
C. basic refractory bricks
D. all the above.

Answer: Option D

Explanation:

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