Heat Transfer Thermal diffusivity of a material Is defined as K/ρ . Cp All of these Is the ratio of thermal conductivity to thermal capacity Has the unit m² /sec Is defined as K/ρ . Cp All of these Is the ratio of thermal conductivity to thermal capacity Has the unit m² /sec ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer LMTD can't be used as such without a correction factor for the Condensation of mixed vapour in a condenser Baffled heat exchanger All of these Multipass heat exchanger Condensation of mixed vapour in a condenser Baffled heat exchanger All of these Multipass heat exchanger ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The thermal radiation emitted by a body is proportional to Tn, where T is its absolute temperature. The value of 'n' is exactly 4 for All bodies Black painted bodies only A black body Polished bodies only All bodies Black painted bodies only A black body Polished bodies only ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer A perfect black body is a perfect __________ of radiation absorber none of the listed here emitter Both emitter & absorber absorber none of the listed here emitter Both emitter & absorber ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In SI units, fouling factor is expressed in W/m²°K m²°K m²°K/W m°K/W W/m²°K m²°K m²°K/W m°K/W ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In a liquid-liquid heat exchanger, for the same process temperature, the ratio of the LMTD in parallel flow to the LMTD in counter flow is always < 1 ∞ > 1 1 < 1 ∞ > 1 1 ANSWER DOWNLOAD EXAMIANS APP
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