Heat Transfer The interchange factor for radiation heat transfer from surface 'x' to surface 'y' in case of an infinite parallel planes with emis-sivities εx & εy is given by Εx . εy 1/εx + 1/εy (εx + εy)/(εx + εy - εx . εy) Εx + εy Εx . εy 1/εx + 1/εy (εx + εy)/(εx + εy - εx . εy) Εx + εy ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Prandtl number for most of dry gases is about 70 0.001 150 0.72 70 0.001 150 0.72 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Heat produced when a steady state current, I passes through an electrical conductor having resistance, 'R' is IR None of the listed here I2R IR2 IR None of the listed here I2R IR2 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The inside heat transfer co-efficient in case of turbulent flow of liquid in the tube side in a 1-2 shell and tube heat exchanger is increased by __________ times, when the number of tube passes is increased to 8. 40.8 20.8 20.4 40.4 40.8 20.8 20.4 40.4 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer (NRe.NPr)(D/L) is called the __________ number Graetz Peclet Stanton None of these Graetz Peclet Stanton None of these ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Solid angle subtended by the finite surface at the radiating element is called the view factor. expressed in terms of radians called the angle of vision proportional to the square of the distance between surfaces called the view factor. expressed in terms of radians called the angle of vision proportional to the square of the distance between surfaces ANSWER DOWNLOAD EXAMIANS APP
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