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
298

Heat Transfer Refrigeration and Air Conditioning MCQ with Answers

298) The emissive power of a body depends upon its

temperature

physical nature

wave length

all of these

Answer is:

all of these

Explanation:

The emissive power of a body depends upon its
* temperature
* physical nature
* wave length

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

299) An electric cable of aluminium conductor (k = 240 W/mK) is to be insulated with rubber (k = 0.15 W/mK). The cable is to be located in air (h = 6 W/m²). The critical thickness of insulation will be

25 mm

40 mm

160 mm

800 mm

Answer is:

25 mm

300) The dehumidification process, on the psychrometric chart, is shown by

horizontal line

vertical line

inclined line

curved line

Answer is:

vertical line

301) The vertical and uniformly spaced lines on a psychrometric chart indicates

dry bulb temperature

wet bulb temperature

dew point temperature

specific humidity

Answer is:

dry bulb temperature

302) In case of sensible heating of air, the coil efficiency is given by (where B.P.F. = By-pass factor)

B.P.F. - 1

1 - B.P.F.

1/(B.P.F)

1+B.P.F.

Answer is:

1 - B.P.F.

Heat Transfer Refrigeration and Air Conditioning MCQ with Answers

For more MCQ's Click Here

298) The emissive power of a body depends upon its

all of these

Heat Transfer Refrigeration and Air Conditioning MCQ with Answers

Related Heat Transfer Refrigeration and Air Conditioning MCQ with Answers

299) An electric cable of aluminium conductor (k = 240 W/mK) is to be insulated with rubber (k = 0.15 W/mK). The cable is to be located in air (h = 6 W/m2). The critical thickness of insulation will be

25 mm

300) The dehumidification process, on the psychrometric chart, is shown by

vertical line

301) The vertical and uniformly spaced lines on a psychrometric chart indicates

dry bulb temperature

302) In case of sensible heating of air, the coil efficiency is given by (where B.P.F. = By-pass factor)

1 - B.P.F.

Heat Transfer Refrigeration and Air Conditioning MCQ with Answers

299) An electric cable of aluminium conductor (k = 240 W/mK) is to be insulated with rubber (k = 0.15 W/mK). The cable is to be located in air (h = 6 W/m²). The critical thickness of insulation will be