Heat Transfer Which of the following forced convection heat transfer equation accounts for the liquid viscosity effect for viscous liquids? None of these Dittus-Boeltier equation Nusselt equation Sieder-Tate equation None of these Dittus-Boeltier equation Nusselt equation Sieder-Tate equation ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Thermal conductivities of most of the liquids __________ with rise in temperature. Increases Remains unchanged May increase or decrease; depends on the liquid Decreases Increases Remains unchanged May increase or decrease; depends on the liquid Decreases ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer While the total emissivity of a perfect black body is unity, the same for a real body is >1 between 0 and 1 1 0 >1 between 0 and 1 1 0 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer (Cp . μ)/K is termed as the __________ number. Nusselt Stanton Prandtl Grashoff Nusselt Stanton Prandtl Grashoff ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The capacity of double-effect evaporator is less than half of the capacity of two single effects, each of which is operating over same terminal temperature difference, when the Evaporators opreate at atmospheric pressure Evaporators operate under vacuum None of these Solution has an elevation of boiling point Evaporators opreate at atmospheric pressure Evaporators operate under vacuum None of these Solution has an elevation of boiling point ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Electromagnetic radiations propagate in vacuum with a velocity of __________ metre/second. 3 x l012 3 x l05 3 x l010 3 x l08 3 x l012 3 x l05 3 x l010 3 x l08 ANSWER DOWNLOAD EXAMIANS APP
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