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Explain the working of a stirling cycle refrigeration system.
Explain adiabatic demagnetisation process with the help of neat diagram.
PART C
Answer any four full questions, each carries 10 marks.
Describe a typical multi -layer insulation.
Explain the different types and use of insulations in space applications.
With a neat sketch, explain the functions of the various elements of a Dewar
vessel.
Briefly explain the cryogenic fluid transfer system.
With a neat sketch explain the types of heat exchangers used for cryogenic heat
transfer.
Explain different safety devices used in cryogenic liquid storage systems.
Explain the working principle of different types of cryogenic liquid level
indicators.
Explain the applications of a cryopump in detail.
Explain different temperature measuring techniques used in cryogenic

applications.

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