The amount of heat flow through a body by conduction is
A. Directly proportional to the surface area of the body
B. Directly proportional to the temperature difference on the two faces of the body
C. Dependent upon the material of the body
D. All of the above
Answer: Option D
Solution(By Examveda Team)
The amount of heat flow through a body by conduction is - Directly proportional to the surface area of the body - Directly proportional to the temperature difference on the two faces of the body - Dependent upon the material of the bodyJoin The Discussion
Comments ( 1 )
Related Questions on Heat and Mass Transfer
The heat is transferred by conduction, convection and radiation in
A. Melting of ice
B. Boiler furnaces
C. Condensation of steam in condenser
D. None of these
Heat is transferred by all three modes of transfer, viz. conduction, convection and radiation in
A. Electric heater
B. Steam condenser
C. Boiler
D. Refrigerator condenser coils
The radiation emitted by a black body is known as
A. Black radiation
B. Full radiation
C. Total radiation
D. All of these
Since Q = -K A ♢T
Here Q - Heat flow
K - Thermal conductivity / material property
A - Surface Area
♢T - Temperature Difference ( T1 - T2 )