Heat Transfer A hot body will radiate heat most rapidly, if its surface is Black & rough White & polished Black & polished White & rough Black & rough White & polished Black & polished White & rough ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Controlling heat transfer film co-efficient is the one, which offers __________ resistance to heat transfer. the largest lower no the least the largest lower no the least ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer One kilogram of water at 0°C is changed to superheated steam of one atm pressure and 300° C. The major heat consumption in the process will be to Heat the water from 0°C to 100°C Data insufficient, can To superheat the steam Evaporate the water Heat the water from 0°C to 100°C Data insufficient, can To superheat the steam Evaporate the water ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Maximum heat transfer rate is obtained in __________ flow. Turbulent Transition region Laminar Creeping Turbulent Transition region Laminar Creeping ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Fluid motion in the natural convection heat transfer between a solid surface and a fluid in contact with it, results from the Existence of thermal boundary layer Buoyancy of the bubbles produced at active nucleation site None of these Temperature gradient produced due to density difference Existence of thermal boundary layer Buoyancy of the bubbles produced at active nucleation site None of these Temperature gradient produced due to density difference ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The advantage of backward feed multiple effect evaporators over forward feed units is that There is no additional cost of pumping Most concentrated liquid is at highest temperature Heat sensitive material can be handled Equal heat transfer co-efficients exist in various effects There is no additional cost of pumping Most concentrated liquid is at highest temperature Heat sensitive material can be handled Equal heat transfer co-efficients exist in various effects ANSWER DOWNLOAD EXAMIANS APP
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