Heat Transfer If a single tube pass heat exchanger is converted to two pass, then for the same flow rate, the pressure drop per unit length in tube side will Increase by 216 Decrease by 22 Increase by 1.8 times Remain unchanged Increase by 216 Decrease by 22 Increase by 1.8 times Remain unchanged ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In the free convection regime of pool boiling, the heat flux is proportional to Δt2 Δt5/4 Δt1/2 Δt Δt2 Δt5/4 Δt1/2 Δt ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Kirchoff's law is applicable to Only volumes and not to surfaces Both A and B Monochromatic radiation only Total radiation only Only volumes and not to surfaces Both A and B Monochromatic radiation only Total radiation only ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Heat waves Can not pass through vacuum Can be reflected by a mirror Travel in straight line Both B and C Can not pass through vacuum Can be reflected by a mirror Travel in straight line Both B and C ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The left face of a one dimensional slab of thickness 0.2 m is maintained at 80°C and the right face is exposed to air at 30°C. The thermal conductivity of the slab is 1.2 W/m.K and the heat transfer co-efficient from the right face is 10 W/m².K. At steady state, the temperature of the right face in °C is 77.2 71.2 48.7 63.8 77.2 71.2 48.7 63.8 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer A graph between __________ is called Wilson plot. 1/U Vs . 1/V 1/v0.8 Vs . U 1/U Vs . 1/v0.8 V0.8 Vs . U 1/U Vs . 1/V 1/v0.8 Vs . U 1/U Vs . 1/v0.8 V0.8 Vs . U ANSWER DOWNLOAD EXAMIANS APP