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Chemical Engineering - Materials and Construction

Exercise : Materials and Construction - Section 2
31.
Which one contains the least percentage of carbon ?
Wrought iron
High speed steel
Cast iron
Pig iron
Answer: Option
Explanation:
No answer description is available. Let's discuss.
32.
Thermal shield used in high powered nuclear reactor to protect the walls of the reactor from radiation damage is made of
concrete
steel
zircalloy
graphite
Answer: Option
Explanation:
No answer description is available. Let's discuss.
33.
All materials obey Hooke's law within elastic limit. When elastic limit is reached, the tensile strain
increases very quickly.
decreases very quickly.
increases in proportion to stress.
decreases in proportion to stress.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
34.
Silico-manganese steels (containing 0.7% Mn, 0.5% C and 2% Si)
do not require heat treatment for any of its applications.
are used for leaf and coiled springs.
do not have good resilience properties.
is tempered at 850°C.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
35.
Which of the following is not a copper based alloy with nickel ?
German silver
Monel metal
Inconel
Constantan
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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