Heat Transfer Which of the following has the lowest overall heat transfer co-efficient? Air Water Molten sodium Dowtherm Air Water Molten sodium Dowtherm 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 71.2 48.7 63.8 77.2 71.2 48.7 63.8 77.2 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer 1000 kg of wet solids are to be dried from 60% to 20% moisture (by weight). The mass of moisture removed in kg is 400 500 520 200 400 500 520 200 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Which is the best tube arrangement (in a shell and tube heat exchanger) if the fluids are clean and non-fouling? Square pitch Diagonal square pitch None of these Triangular pitch Square pitch Diagonal square pitch None of these Triangular pitch ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Heat sensitive materials can be concentrated in an evaporator employing High residence time High pressure Vacuum None of these High residence time High pressure Vacuum None of these ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Which of the following is the most controlling factor for the rate of bubble detachment from the hot solid surface? Hot surface temperature Liquid viscosity Interfacial tension Liquid density Hot surface temperature Liquid viscosity Interfacial tension Liquid density ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS