Radiation is the process of heat transfer in which heat flows from a ________, in a straight line, without affecting the intervening medium.

A Cold body to hot body
B Hot body to cold body
C Smaller body to larger body
D Larger body to smaller body

Correct Answer: Hot body to cold body

Radiation is the process of heat transfer in which heat flows from a Hot body to cold body in a straight line, without affecting the intervening medium.
Bissoy MCQ
#Mechanical Engineering #Heat And Mass Transfer

Related Questions

When heat is transferred from hot body to cold body, in a straight line, without affecting the intervening medium, it is referred as heat transfer by
A Conduction
B Convection
C Radiation
D Conduction and convection
Choose the sentence (s) in which the word 'straight means 'honest or frank'. (1) Draw a straight line through the two points. (2) You are not being straight with me, even though you know that I like straight answers. (3) It was a straight choice between taking or leaving the offer of friendship.
A (1)
B (3)
C (1) and (2)
D 1) and (3)
Towns A and C are connected by a straight highway which is 60 miles long. The straight-line distance between town A and town B is 50 miles, and the straight-line distance from town B to town C is 50 miles. How many miles is it from town B to the point on the highway connecting towns A and C which is closest to town B?
A 30
B 40
C 50
D 60
Towns A and C are connected by straight highway which is 60 miles long. The straight-line distance between town A and town B is 50 miles, and the straight-line distance from town B to town C is 50 miles. How many miles is it from town B to the point on the highway connecting towns A and C which is closest to town B?
A 30
B 40
C 50
D 60
Startting from Town S, Mr. Ahsan drove straight East for 3 Kms, Then he turned lest and drove straight North for 4 kms and stopped at town T. What is the straight line distance from town to town T?
A 7 kms
B 5 kms
C 8 kms
D 23 kms
Starting from Town S, Mr Ahsan drove straight East for 3 kms, then he turned left and drove straight North for 4 kms and stopped at Town T. What is the straight -line distance form Town S to Town T?
A 7kms
B 5 kms
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The scales form in heat exchanges after a period of operation and provide additional resistance to heat transfer with some heat transfer coefficient . The reciprocal of this scale heat transfer coefficient is called .
A scaling factor
B forming factor
C resisting factor
D fouling factor
Extended heat transfer surface like fins are used to increase the heat transfer rate. Fin efficiency is defined as the ratio of heat transferred across the fin surface to the theoretical heat transfer across an equal area held at the
A Surrounding temperature
B Average temperature of the fin
C Temperature of the fin end
D Constant temperature equal to that of the base
The midpoint of a straight line is (3,6). If one endpoint of the straight line is (4,7) what is the other endpoint?
A (2,3)
B (2,5)
C (3,5)
D (1,5)
With increase in the distance between the heat source and the object receiving the heat, the radiation heat transfer
A Decreases
B Increases
C Increases exponentially
D Remains unaffected

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