Heat Transfer Electromagnetic radiations propagate in vacuum with a velocity of __________ metre/second. 3 x l012 3 x l08 3 x l05 3 x l010 3 x l012 3 x l08 3 x l05 3 x l010 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Tubes are held between top and bottom tube sheets in Calenderia type evaporator by keeping Both the tube sheets floating The top tube sheet floating and bottom tube sheet fixed Both the tube sheets fixed The top tube sheet fixed and the bottom tube-sheet floating Both the tube sheets floating The top tube sheet floating and bottom tube sheet fixed Both the tube sheets fixed The top tube sheet fixed and the bottom tube-sheet floating ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Heat transfer occurs by natural convection because change in temperature causes difference in Viscosity Heat capacity Density Thermal conductivity Viscosity Heat capacity Density Thermal conductivity ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Sensible heat of hot industrial flue gases can not be recovered by a/an Regenerator Economiser Ceramic recuperator None of these Regenerator Economiser Ceramic recuperator None of these ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Thermal conductivities of most of the liquids __________ with rise in temperature. Remains unchanged Increases Decreases May increase or decrease; depends on the liquid Remains unchanged Increases Decreases May increase or decrease; depends on the liquid ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In case of heat transfer by conduction in a hollow cylinder, __________ mean area is used to calculate the heat transfer rate. Arithmetic Geometric Either A, B or C Logarithmic Arithmetic Geometric Either A, B or C Logarithmic ANSWER DOWNLOAD EXAMIANS APP
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