Courses

# Test: Refrigeration & Air Conditioning - 1

## 25 Questions MCQ Test Mechanical Engineering SSC JE (Technical) | Test: Refrigeration & Air Conditioning - 1

Description
This mock test of Test: Refrigeration & Air Conditioning - 1 for Mechanical Engineering helps you for every Mechanical Engineering entrance exam. This contains 25 Multiple Choice Questions for Mechanical Engineering Test: Refrigeration & Air Conditioning - 1 (mcq) to study with solutions a complete question bank. The solved questions answers in this Test: Refrigeration & Air Conditioning - 1 quiz give you a good mix of easy questions and tough questions. Mechanical Engineering students definitely take this Test: Refrigeration & Air Conditioning - 1 exercise for a better result in the exam. You can find other Test: Refrigeration & Air Conditioning - 1 extra questions, long questions & short questions for Mechanical Engineering on EduRev as well by searching above.
QUESTION: 1

Solution:
QUESTION: 2

Solution:
QUESTION: 3

### Due to subcooling the refrigeration effect

Solution:
QUESTION: 4

The cycle used for gas refrigeration is

Solution:
QUESTION: 5

Air refrigeration cycle is used in

Solution:
QUESTION: 6

In VARC, The compressor is replaced by

Solution:
QUESTION: 7

In which  of the following cycles waste heat is utilized .

Solution:
QUESTION: 8

In vapour absorbtion cycle the refrigerant used can be mixure of water and

Solution:
QUESTION: 9

The throttling device is replaced by an expender in which of the following system

Solution:
QUESTION: 10

The maximum COP of an absorbtion cycle is given by (TG = Generator Temperature, To = Environment temperature, Te = Evaporator temperature)

Solution:
QUESTION: 11

Which o f t he fo llowing is an eco friendly refrigerant ?

Solution:
QUESTION: 12

Which of  the following is a saturated hydrocarbon.

Solution:
QUESTION: 13

Ozone is naturally found in

Solution:
QUESTION: 14

Which of the following is designation of H2O

Solution:
QUESTION: 15

Ammonia leakage from refrigerat or can be detected by

Solution:
QUESTION: 16

The refrigerant used in milk chilling plant is

Solution:
QUESTION: 17

In a electrolux refrigerator apart from NH3 and H2O the third gas used is

Solution:
QUESTION: 18

Reversed brayton cycle is also known as

Solution:
QUESTION: 19

As COP of an Refrigerator increases in heat rejection ratio

Solution:
QUESTION: 20

Energy performance ratio is

Solution:
QUESTION: 21

The COP of a refrigerator working on reversed carnot cycle is 4. The ratio of highest absolute temperature is lowest absolute temperature is .

Solution:
QUESTION: 22

A carnot Refrigerator requires 1.5 kw/ton of refrigeration to maintain a region at a temperature of 243 K. The COP is

Solution:
QUESTION: 23

An ideal Refrigeration cycle has condenser and evaporator temperature of 27º C and – 3ºC. The COP of the Refrigerator is

Solution:
QUESTION: 24

A heat pump works on reversed carnot cycle.The temperature in the condenser coil is 27ºC and that in the evaporator coil is -23ºC and that in the evaporator coil is -23ºC. For work of 1.5 kW, how much heat is pumped.

Solution:
QUESTION: 25

A condenser of a refrigerator reject heat at a rate of 150 kw, while compressor consumes a power of 50kW. The COP is.

Solution: