Civil Engineering - Building Materials

36. 

For the manufacture of stainless steel, steel is mixed with

A. chromium
B. nickel
C. tungsten
D. none of these.

Answer: Option A

Explanation:

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37. 

Stones used for ornamental work must be

A. soft
B. hard
C. light
D. heavy.

Answer: Option A

Explanation:

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38. 

Pick up the correct statement from the following:

A. Quick lime is obtained by burning pure lime stone:
B. Hydraulic lime is obtained by burning lime stone containing clay 5% to 30%
C. Poor lime is obtained by burning lime stone containing impurities more than 5%
D. All the above.

Answer: Option D

Explanation:

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39. 

The presence of original rounded surface on the manufactured piece of timber, is called

A. Wane
B. Torn grain
C. Diagonal grain
D. Chipmark.

Answer: Option A

Explanation:

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40. 

Smith's test of stones is performed to find out

A. the presence of soluble matter of stone
B. the compressive strength of the stone
C. the hardness of the stone
D. the toughness of the stone.

Answer: Option A

Explanation:

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