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Heat Transfer
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Which of the following has least value of conductivity_________________?
Related MCQs
Thermal conductivity of glass-wool varies from sample to sample because of variation in __________ ?
According to Prevost theory of heat exchange __________?
Thermal diffusivity of a substance is __________?
The ratio of heat flow Q1/Q2 from two walls of same thickness having their thermal conductivities as ATj – 2K2 will be __________?
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Thermal conductivity of a material may be defined as the__________?
Which of the following is expected to have highest thermal conductivity__________?
In heat transfer, conductance equals conductivity (kcal/hr/sqm/°C/cm) divided by __________?
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Thermal conductivity of water at 20°C is of the order of__________?
Total heat is the heat required to__________?
Thermal conductivity of air with rise in temperature__________?
Thermal conductivity of air at room temperature in kcal/m hr °C is of the order of__________?
Cork is a good insulator because it has__________?
Metals are good conductors of heat because__________?
Temperature of steam at around 540°C can be measured by __________?
Thermal conductivity of water in general with rise in temperature __________?
Which of the following is a case of steady state heat transfer __________?
Which of the following is the case of heat transfer by radiation __________?
Heat flowing from one side to other depends directly on __________?
Heat transfer in liquid and gases takes place by__________?
Unit of thermal conductivity in S.I. units is__________?
When heat is Transferred by molecular collision, it is referred to as heat transfer by __________?
Sensible heat is the heat required to __________?
Thermal conductivity of solid metals with rise in temperature normally__________?
When heat is transferred from one particle of hot body to another by actual motion of the heated particles, it is referred to as heat transfer by __________?
Unit of thermal conductivity in M.K.S. units is __________?
Thermal conductivity of non-metallic amorphous solids with decrease in temperature __________?
The insulation ability of an insulator with the presence of moisture would__________?
Heat is closely related with__________?
When heat is transferred form hot body to cold body, in a straight line, without affecting the intervening medium, it is referred as heat transfer by __________?
Heat transfer takes place as per __________?
Which of the following has least value of conductivity_________________?
A. glass
B. water
C. plastic
D. rubber
E. air
Correct Answer:
air
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Last Updated:
January 24, 2019