Civil Engineering - Building Materials

11. 

Pick up the correct statement from the following:

A. Styrene resin is produced from ethylene which is made from petroleum
B. Styrene resin is light in weight
C. Styrene resin transmits ultraviolet waves of light
D. Styrene resin is used to manufacture utensils which are unaffected by chemicals
E. All the above.

Answer: Option E

Explanation:

No answer description available for this question. Let us discuss.

12. 

The lime which contains high percentage of calcium oxide, is generally called

A. fat lime
B. rich lime
C. white lime
D. All of these.

Answer: Option D

Explanation:

No answer description available for this question. Let us discuss.

13. 

For construction of structures under water, the type of lime used, is

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

Answer: Option A

Explanation:

No answer description available for this question. Let us discuss.

14. 

Pick up the correct statement from the following:

A. Rust is due to formation of oxides
B. Cast iron oxidises less
C. Steel oxidises most
D. Wrought iron oxidises moderately
E. All the above.

Answer: Option E

Explanation:

No answer description available for this question. Let us discuss.

15. 

A prime coat is given to steel work with

A. an oxide of iron paint
B. a mixture of white lead and lead paint
C. a special paint
D. cement paint.

Answer: Option B

Explanation:

No answer description available for this question. Let us discuss.