Mechanical Engineering - Heat Transfer, Refrigeration and Air Conditioning - Discussion
Discussion Forum : Heat Transfer, Refrigeration and Air Conditioning - Section 6 (Q.No. 1)
1.
A condenser of refrigeration system rejects heat at the rate of 120 kW, while its compressor consumes a power of 30 kW. The coefficient of performance of the system will be
Discussion:
26 comments Page 2 of 3.
Vishnu p said:
8 years ago
Answer will be 3 because here 120 is heat rejected not heat extracted.
Jnk said:
9 years ago
cop = ref effect / work done.
= 120 - 30 / 30.
= 3.
= 120 - 30 / 30.
= 3.
Indra bhushan rai said:
1 decade ago
Refrigeration effect = 120-30 = 90.
cop = 90/30 = 3.
cop = 90/30 = 3.
Rakesh thakur said:
9 years ago
cop = out put /input.
energy out /input.
120/30.
energy out /input.
120/30.
Ankusb said:
9 years ago
I agree with you @Indra 3 is the correct answer.
Ajith said:
9 years ago
C.O.P = heat/workdone,
=> 120/30,
=> 4.
=> 120/30,
=> 4.
Vinay BEL said:
5 years ago
120 - 30 = 90.
Cop=90/30=3 => answer.
Cop=90/30=3 => answer.
(1)
Amaan Sayyed said:
5 years ago
120/30=4 this is the right answer.
Lalit Kumar said:
8 years ago
120-30 = 90.
Cop=90/30=3 => ans.
Cop=90/30=3 => ans.
Swagat said:
6 years ago
COP = (120-30)/30.
= 3.
= 3.
(2)
Post your comments here:
Quick links
Quantitative Aptitude
Verbal (English)
Reasoning
Programming
Interview
Placement Papers