Heat Transfer The units of resistance to heat transfer is W⁻¹m²K J.m⁻².K⁻¹ W.m⁻².K⁻¹ J.m⁻¹.K⁻¹ W⁻¹m²K J.m⁻².K⁻¹ W.m⁻².K⁻¹ J.m⁻¹.K⁻¹ ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The film co-efficient is decreased due to the presence of non-condensing gases in the vapors. The film co-efficient of superheated vapor as compared to that of saturated vapor is Less More Either more or less ; depends on the nature of vapor Some Less More Either more or less ; depends on the nature of vapor Some ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The inside heat transfer co-efficient in case of turbulent flow of liquid in the tube side in a 1-2 shell and tube heat exchanger is increased by __________ times, when the number of tube passes is increased to 8. 20.4 40.8 20.8 40.4 20.4 40.8 20.8 40.4 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The film thickness for laminar film condensation on vertical surface __________ from top to bottom. Cummulatively decreases Remains constant Cummulatively increases And the surface conductance increase Cummulatively decreases Remains constant Cummulatively increases And the surface conductance increase ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Maximum water velocity in tubes of a 1-2 shell and tube heat exchanger may be around __________ metres/second. 1 20 10 30 1 20 10 30 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The main purpose of providing fins on heat transfer surface is to increase the Mechanical strength of the equipment Heat transfer area Heat transfer co-efficient Temperature gradient Mechanical strength of the equipment Heat transfer area Heat transfer co-efficient Temperature gradient ANSWER DOWNLOAD EXAMIANS APP
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