Time
Allowed: three Hours Maximum Marks:
200
Candidates should attempt Questions 1 and 5 which are
compulsory, and any THREE of the remaining questions, selecting at least ONE
question from each Section.
Assume suitable data if considered necessary, and indicate
the same clearly.
SECION B
1.
Answer any four of the following:
(a) Discuss absorption and extraction type separation.
(b) Write the design procedure for flat heads.
(c) Explain cathodic protection to prevent corrosion.
(d) How do you find the frequency response of a PI
controller? Explain.
(e) With a neat sketch, describe a suitable device for
controlling the process outlet temperature of a heat exchanger that uses stream
as the heating medium.
2.
(a) Explain the theory of electrical separations.
(b) Discuss the electo-dialysis and its applications.
(c) Explain the parallel leaf-type ultra filtration
module.
(d) Discuss on very low pressure distillation conducted
industrially for heat-sensitive substances.
3.
(a) Discuss the criteria for shell failure based on theory of elasticity.
(b) Distinguish between External bolting chair and Centered
anchor – bolt chair.
(c) Name the various types of heads used for closing
ends of cylindrical shells, indicating their applications.
(d) Write the stepwise procedure for determining the
standard plate thickness for fabricating a cylindrical shell operating at
internal pressure.
4. (a)
Explain how strain gauge is used in pressure measurement.
(b) Discuss the working of an optical pyrometer.
(c) Derive the transfer unction of an RC circuit. Show that
the time constant of an RC circuit is the product of R and C.
(d) Explain the graphical rules for Bode plots.
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