Heat Transfer Radiator of an automobile engine is a __________ type of heat exchanger. Direct contact Cross-current Counter-current Co-current Direct contact Cross-current Counter-current Co-current ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Thermal conductivity of a gas at low density, __________ with increase in temperature. May increase or decrease; depends on the gas Decreases Increases Remains unchanged May increase or decrease; depends on the gas Decreases Increases Remains unchanged ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer For small temperature difference, the heat transfer rate as per Newton's law of cooling is proportional to (where, Δt = excess temperature) Δt³ Δt² √Δt Δt Δt³ Δt² √Δt Δt ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer A diathermaneous substance __________ the thermal radiation completely. Absorbs Reflects None of these Transmits Absorbs Reflects None of these Transmits ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Intermittant tube cleaning is possible to be done in case of a __________ evaporator. Calendria Basket type Horizontal tube None of these Calendria Basket type Horizontal tube None of these ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Evaporator tubes are generally Vertical Inclined Horizontal Random Vertical Inclined Horizontal Random ANSWER DOWNLOAD EXAMIANS APP
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