Chemical Engineering - Materials and Construction

1. 

Acid proof stoneware

A. has very low strength.
B. cannot be heated.
C. is broken by small temperature changes.
D. all (a), (b) and (c).

Answer: Option D

Explanation:

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2. 

Diamagnetic materials are magnetised

A. strongly.
B. only slightly.
C. with eddy currents only.
D. in a direction opposite to that of the applied field.

Answer: Option D

Explanation:

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3. 

High degree of toughness is a must for

A. high speed steel
B. shock resisting steel
C. cold work tool steel
D. none of these

Answer: Option B

Explanation:

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4. 

'Hypersil' is a __________ steel.

A. high speed
B. silicon
C. molybdenum
D. tungsten

Answer: Option B

Explanation:

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5. 

__________ can replace tungsten in high speed steel,

A. Chromium
B. Vanadium
C. Cobalt
D. Molybdenum

Answer: Option D

Explanation:

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