Test Preparation on RRB JE-Mechanical Engineering Solved Paper-7
1.
Unit of thermal conductivity in M.K.S. units is
2.
Unit of thermal conductivity in S.I. units is
3.
Thermal conductivity of solid metals with rising in temperature normally
4.
Thermal conductivity of non-metallic amorphous solids with decrease in temperature
5.
Heat transfer takes place as per -
6.
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
7.
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
8.
Sensible heat is the heat required to
9.
The insulation ability of an insulator with the presence of moisture would
10.
When heat is Transferred by molecular collision, it is referred to as heat transfer by
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