Building Materials - Section 8 Multiple Questions and Answers.




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. All the above.

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.

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

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. All the above.

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.

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