Chemical Heat Transfer Quiz 10
1 / 26
With increase in temperature, the thermal conductivity of most liquids__________?
2 / 26
With increase in temperature, the total emissivity of conductors______?
3 / 26
With increase in the distance between the heat source and the object receiving the heat, the radiation heat transfer ?
4 / 26
With increase in temperature, the thermal conductivity of a gas _____?
5 / 26
With increase in temperature, the thermal conductivity of fresh lubricating oil _____?
6 / 26
Which of the following is not used as a medium for high temperature heating ?
7 / 26
While the total emissivity of a perfect black body is unity, the same for a real body is___________?
8 / 26
Which of the following has the lowest overall heat transfer co-efficient ?
9 / 26
Which of the following is correct ?
10 / 26
Which of the following has the highest thermal conductivity ?
11 / 26
Which of the following has the minimum thermal conductivity ?
12 / 26
Which of the following parameters of the fluid is not very important, while deciding its route in a shell and tube heat exchanger ?
13 / 26
With increase in porosity, the thermal conductivity of a solid substance___________?
14 / 26
Which of the following is generally considered as opaque surface towards radiations ?
15 / 26
Which one gives the monochromatic emissive power for black body radiation ?
16 / 26
Which type of heat exchanger is preferred for heavy heat loads ?
17 / 26
Which of the following parameters is increased by use of finned tube in a multipass shell and tube heat exchanger ?
18 / 26
Which of the following is concerned with both heat and mass transfer ?
19 / 26
With increase in temperature, the thermal conductivity of non-metallic amorphous solids__________?
20 / 26
Which of the following has the lowest Prandtl number ?
21 / 26
Which of the following situations can be approximated to a steady state heat transfer system ?
22 / 26
Which of the following is the most widely used heat insulating material for pipelines carrying steam ?
23 / 26
Which of the following has the minimum absorptivity ?
24 / 26
With the increase of temperature, the Col-burn jH factor_______?
25 / 26
Which of the following is directly concerned with the heat transfer ?
26 / 26
Which of the following is unimportant in forced convection ?
Provide Your Information
Your score is
The average score is 0%
Restart quiz