Chemical Engineering - Chemical Engineering Basics

11. 

The amount of different substances produced, when the same quantity of electricity is passed through different solutions are proportional to their

A. equivalent weight.
B. (equivalent weight)2.
C. molecular weight.
D. (molecular weight)2.

Answer: Option A

Explanation:

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12. 

A material having good damping property is likely to have

A. greater defect density.
B. fine grained structure.
C. lesser defect density.
D. high tensile strength.

Answer: Option A

Explanation:

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13. 

Exposure to __________ accelarates the degradation of plastics.

A. ultraviolet radiation
B. high atmospheric temperature
C. high ambient temperature
D. damp atmosphere

Answer: Option A

Explanation:

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14. 

Steel produced from phosphatic iron is __________ in nature.

A. malleable
B. ductile
C. brittle
D. tough

Answer: Option C

Explanation:

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15. 

__________ is the process of coating the surface of steel with aluminium oxide, thereby imparting it increased resistance to corrosion & oxidation upto a temperature of 700°C.

A. Vaneering
B. Galvanising
C. Electroplating
D. Calorising

Answer: Option D

Explanation:

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