Chemical Engineering - Materials and Construction

1. 

High speed steel tools retain their hardness upto a temperature of __________ °C.

A. 500
B. 750
C. 900
D. 1100

Answer: Option C

Explanation:

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2. 

Dry chlorine can be handled in a vessel made of

A. iron or steel
B. PVC (c) nickel
C. brass

Answer: Option A

Explanation:

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3. 

Brine solution is stored/treated in __________ lined vessels/pipes.

A. rubber
B. lead
C. glass
D. nickel

Answer: Option D

Explanation:

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4. 

Steel balls for ball bearings are generally made of __________ steel.

A. cast
B. stainless
C. free carbon
D. carbon chrome

Answer: Option D

Explanation:

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5. 

Beehive coke ovens are made of __________ bricks.

A. silica
B. fireclay
C. silicon carbide
D. corundum

Answer: Option A

Explanation:

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