Heat Transfer With increase in porosity, the thermal conductivity of a solid substance Decreases Increases Remains unchanged May increase or decrease; depends on the solid Decreases Increases Remains unchanged May increase or decrease; depends on the solid ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer LMTD can't be used as such without a correction factor for the All of these Condensation of mixed vapour in a condenser Baffled heat exchanger Multipass heat exchanger All of these Condensation of mixed vapour in a condenser Baffled heat exchanger Multipass heat exchanger ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Which of the following is unimportant in forced convection ? Reynolds number Grashhoff number Prandtl number none of the listed here Reynolds number Grashhoff number Prandtl number none of the listed here 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 48.7 71.2 77.2 63.8 48.7 71.2 77.2 63.8 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The actual temperature drop across the heating surface in an evaporator depends on the All of these Feed Pressure difference between steam chest and vapour space Depth of liquid over heating surface All of these Feed Pressure difference between steam chest and vapour space Depth of liquid over heating surface ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Electro-magnetic spectrum range, which is important for radiation varies from __________ microns. 1 to 100 10 to 100 100 to 1000 0.5 to 50 1 to 100 10 to 100 100 to 1000 0.5 to 50 ANSWER DOWNLOAD EXAMIANS APP
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