Civil Engineering - Building Materials

21. 

The commonly used lime in white washing, is

A. white lime
B. fat lime
C. hydraulic lime
D. lime
E. quick lime.

Answer: Option B

Explanation:

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22. 

Shingle is

A. decomposed laterite
B. crushed granite
C. water bound pebbles
D. air weathered rock.

Answer: Option A

Explanation:

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23. 

Pick up the plutonic rock from the following:

A. Granite
B. Dolerite
C. Basalt
D. All the above.

Answer: Option A

Explanation:

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24. 

The lime which contains mainly calcium oxide and slacks with water, is

A. fat lime
B. quick lime
C. hydraulic lime
D. poor lime
E. none of these.

Answer: Option B

Explanation:

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25. 

Seasoning is

A. a process of removing sap
B. creosoting
C. painting with sodium silicate
D. coating with tar.

Answer: Option A

Explanation:

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