A set of Chemical Engineering questions and answers to test your understanding of developing and designing chemical manufacturing processes. Ideal for Chemical engineering students and candidates preparing for job aptitde tests or interviews.
Absolute zero pressure can be attained at a temperature of
0°C
50°K
0°R
none of these
Correct answer is C
No explanation has been provided for this answer.
Cobalt - 60 is used as a source of __________ in medical therapy & industrial radiography.
X-rays
γ-rays
α-rays
β-rays
Correct answer is B
No explanation has been provided for this answer.
compared to the mass flow rate of cooling water, the rate of condensation of steam is invariably smaller.
maintaining vacuum on tube side is more difficult than that on the shell side.
water velocity can be increased conveniently to increase the overall heat transfer co-efficient because of its lower specific volume compared to steam.
condenser can act as a storage unit for condensed steam.
Correct answer is C
No explanation has been provided for this answer.
Machinability of hard alloys and tool steels is improved by
spherodising
annealing
tempering
normalising
Correct answer is B
No explanation has been provided for this answer.
Nuclear fission of one atom of uranium-235 produces the energy equivalent to about __________ MeV.
20
200
500
1000
Correct answer is B
No explanation has been provided for this answer.
In extrusion of metals, which of the following statements is true ?
speed of the extruded material is same as that of ram speed.
Redundant work is a function of the die angle.
Relative motion between the billet surface and the container wall is always present.
Hollow ram is used for indirect extrusion.
Correct answer is D
No explanation has been provided for this answer.
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