Exercise: Engineering Materials

Questions for: Engineering Materials

Tungsten when added to steel __________ the critical temperature.
A:
does not effect
B:
lowers
C:
raises
D:
Answer: C
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The unit cells
A:
contain the smallest number of atoms which when taken together have all the properties of the crystals of the particular metal
B:
have the same orientation and their similar faces are parallel
C:
may be defined as the smallest parallelopiped which could be transposed in three coordinate directions to build up the space lattice
D:
all of the above
Answer: D
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Which of the following process of steel making is in operation at Tata Iron and Steel Works, Jamshedpur?
A:
Bessemer process
B:
Open hearth process
C:
Duplex process
D:
Electric process
Answer: C
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A small percentage of boron is added to steel in order to
A:
increase hardenability
B:
reduce machinability
C:
increase wear resistance
D:
increase endurance strength
Answer: A
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The charge is fed into the blast furnace through the
A:
stack
B:
throat
C:
bosh
D:
tuyers
Answer: B
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