Heat Transfer Radiator of an automobile engine is a __________ type of heat exchanger. Cross-current Co-current Counter-current Direct contact Cross-current Co-current Counter-current Direct contact ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The steam ejector is used to Create vacuum Superheat the steam None of these Remove condensate from the steam pipelines Create vacuum Superheat the steam None of these Remove condensate from the steam pipelines ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer A concentric double pipe heat exchanger as compared to the shell and tube heat exchanger for the same heat load requires More space None of these Lower maintenance cost Less heating surface More space None of these Lower maintenance cost Less heating surface ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer At what value of Prandtl number, conduction is negligible in the turbulent core of a fluid flowing through a heated pipe? > 0.6 < 0.1 < 0.5 0.5 > 0.6 < 0.1 < 0.5 0.5 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Thermal conductivity of a gas at low density, __________ with increase in temperature. Remains unchanged Decreases May increase or decrease; depends on the gas Increases Remains unchanged Decreases May increase or decrease; depends on the gas Increases ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The units of resistance to heat transfer is W⁻¹m²K W.m⁻².K⁻¹ J.m⁻¹.K⁻¹ J.m⁻².K⁻¹ W⁻¹m²K W.m⁻².K⁻¹ J.m⁻¹.K⁻¹ J.m⁻².K⁻¹ ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS