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Chemical Engineering - Materials and Construction

Exercise : Materials and Construction - Section 6
31.
Which of the following is a low melting point metal ?
Stainless steel
Wrought iron
Tin
Copper
Answer: Option
Explanation:
No answer description is available. Let's discuss.
32.
Trough of an apron conveyor is made of
lead lined concrete vessel
wood
metal
either (b) or (c)
Answer: Option
Explanation:
No answer description is available. Let's discuss.
33.
Pick out the wrong statement.
The toughness of a material decreases, when it is heated.
Crane hooks are normally made of wrought iron.
Cold working of a metal decreases its fatigue strength.
The temperature at which new grains are formed in a metal is known as the recrystallisation temperature.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
34.
Which of the following finds the least commercial use ?
Pure iron
High silicon iron
Low carbon steel
High carbon steel
Answer: Option
Explanation:
No answer description is available. Let's discuss.
35.
Which of the following is the most widely used insulating material for steam carray-ing pipelines ?
Ceramic fibre blanket
Glass wool and 85% magnesia
Vermiculite
Slag wool
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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