Heat Transfer Viscosity of gases __________ with increase in temperature. Remain unaffected Increase slowly Increase very rapidly Decrease slowly Remain unaffected Increase slowly Increase very rapidly Decrease slowly ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Thermal conductivities of most of the liquids __________ with rise in temperature. May increase or decrease; depends on the liquid Decreases Remains unchanged Increases May increase or decrease; depends on the liquid Decreases Remains unchanged Increases ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Which of the following is directly concerned with the heat transfer? Sherwood number Strouhal number Grashoff number Euler number Sherwood number Strouhal number Grashoff number Euler number ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The thermal radiation emitted by a body is proportional to Tn, where T is its absolute temperature. The value of 'n' is exactly 4 for Black painted bodies only A black body Polished bodies only All bodies Black painted bodies only A black body Polished bodies only All bodies ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Temperature profile in steady state heat transfer is Linear parabolic hyperbolic none of the listed here Linear parabolic hyperbolic none of the listed here ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Which of the following is not used as a medium for high temperature heating ? mercury liquid metal dowtherm None of the listed here mercury liquid metal dowtherm None of the listed here ANSWER DOWNLOAD EXAMIANS APP