Heat Transfer Thermal conductivities of most of the liquids __________ with rise in temperature. Decreases Increases May increase or decrease; depends on the liquid Remains unchanged Decreases Increases May increase or decrease; depends on the liquid Remains unchanged ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Low thermal conductivity of heat insulating materials is due to its High proportion of air space Dense structure High specific heat None of these High proportion of air space Dense structure High specific heat None of these ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer It is not preferable to use superheated steam in evaporators, because of its very high pressure low film co-efficient none of the listed here high temperature high pressure low film co-efficient none of the listed here high temperature ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Log mean temperature difference (LMTD) cannot be used, if heat transfer co-efficient over the entire heat exchanger is not constant the heat capacity is not constant and there is a phase change. there exists an unsteady state none of the listed here heat transfer co-efficient over the entire heat exchanger is not constant the heat capacity is not constant and there is a phase change. there exists an unsteady state none of the listed here ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer With increase in temperature, the thermal conductivity of non-metallic amorphous solids remains same None of the listed here decreases increases remains same None of the listed here decreases increases ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In a single effect evaporator, the economy is < 1 1 > 1 None of these < 1 1 > 1 None of these ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS