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Chemical Engineering - Materials and Construction

Exercise : Materials and Construction - Section 3
11.
The increase in hardness of metal due to its cold working is termed as the __________ hardening.
work
age
induction
flame
Answer: Option
Explanation:
No answer description is available. Let's discuss.
12.
Copper is dissolved from its ore by H2SO4 in a percolation tank made of
wood
stainless steel
reinforced concrete lined with lead
high silicon iron (14% Si)
Answer: Option
Explanation:
No answer description is available. Let's discuss.
13.
Bearings subjected to light load are made of
white metal
phosphorous bronze
monel
silicon bronze
Answer: Option
Explanation:
No answer description is available. Let's discuss.
14.
Softening of hardned steel is done by its
normalising
tempering
annealing
carburising
Answer: Option
Explanation:
No answer description is available. Let's discuss.
15.
Maximum permissible sulphur content in steel is __________ percent.
0.015
0.055
0.505
0.805
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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