Time Left - 06:00 mins

SSC JE ME Quiz_Refrigeration and Air Conditioning Booster Quiz-9

Attempt now to get your rank among 118 students!

Question 1

Consider an ideal VCRS (Vapor compression refrigeration cycle), for which the enthalpy of refrigerant before and after the evaporator are 75 kJ/kg and 180 kJ/kg respectively. Determine the refrigerant flow for each ton of refrigeration required:

Question 2

A carnot heat pump works between temperature limits of 177 ºC and 27 ºC. Its COP is __.

Question 3

For air-conditioning applications having capacity of more than 200 TR, the recommended compressor is:

Question 4

If the condenser temperature of refrigeration cycle decreases then COP of refrigerator

Question 5

Specific humidity is _________.

Question 6

During a psychometric process, the latent heat added is

and the sensible heat added is

. Determine the Sensible heat factor:

Question 7

If the heat rejection factor is 1.5. What will be the COP______?

Question 8

An aqua-ammonia absorption refrigeration plant uses heat from a generator by condensing steam at 127

. The temperature maintained in the refrigerator is -23

and the ambient temperature is 27

. The maximum possible COP of the plant is

Question 9

Which of the following statements are TRUE?

1) During sensible cooling of air, both dry bulb and wet bulb temperatures decrease

2) During sensible cooling of air, dry bulb temperature decreases but wet bulb temperature remains constant

3) During sensible cooling of air, dry and wet bulb temperatures decrease but dew point temperature remains constant

4) During sensible cooling of air, dry bulb, wet bulb and dew point temperatures decrease

Question 10

During sensible cooling process __________.

118 attempts
0 upvotes
3 comments

Tags :

AE & JE Exams Mechanical Engineering

Oct 31AE & JE Exams