Friday, April 8, 2022

UKA Tarsadia University B.Tech Mechanical Refrigeration and Air Conditioning System 2021 Question Paper

UKA TARSADIA UNIVERSITY

B.Tech (Mechanical) ( Semester 8 )

030050801(2014-15)

Refrigeration and Air Conditioning System

Date :20/11/2021 Time :1:30PM- 4:30PM

Max. Marks:60

Instructions :

1. Attempt all questions.

2. Write each section in a separate answer book.

3. Make suitable assumptions wherever necessary.

4. Draw diagrams/figures whenever necessary.

5. Figures to the right indicate full marks allocated to that question.

6. Follow usual meaning of notations/abbreviations.

SECTION - 1

Q 1 A) Answer the following in brief (Any 3) [6]

I) Sketch the block diagram of a heat pump.

II) What is meant by the term refrigerating effect?

III) State the equation for the COP of a heat pump and refrigerator.

IV) Draw the T-S diagram of the bootstrap air cooling system.

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