www.ThinkITI.com

Home
MCQ
Search
Free Apps
Important
Study Groups
Contact Us
Policy

Home
MCQ
Objective Questions
Engineering
Mechanical
ME Set-1
Heat Transfer Refrigeration and Air Conditioning
292

Heat Transfer Refrigeration and Air Conditioning MCQ with Answers

292) The expression Q = ? AT⁴ is called

Fourier equation

Stefan-Boltzmann equation

Newton-Rikhmann equation

Joseph-Stefan equation

Answer is:

Stefan-Boltzmann equation

Heat Transfer Refrigeration and Air Conditioning MCQ with Answers

For more MCQ's Click Here

Related Heat Transfer Refrigeration and Air Conditioning MCQ with Answers

293) Thermal conductivity of solid metals __________ with rise in temperature.

remains same

decreases

increases

none of these

Answer is:

decreases

294) The horizontal and non-uniformly spaced lines on a psychrometric chart indicates

dry bulb temperature

wet bulb temperature

dew point temperature

specific humidity

Answer is:

dew point temperature

295) A reversible engine has ideal thermal efficiency of 30%. When it is used as a refrigerating machine with all other conditions unchanged, the coefficient of performance will be

1.33

2.33

3.33

4.33

Answer is:

2.33

296) Which of the following refrigerant is highly toxic and flammable?

Ammonia

Carbon dioxide

Sulphur dioxide

R-12

Answer is:

Ammonia

Heat Transfer Refrigeration and Air Conditioning MCQ with Answers

For more MCQ's Click Here