Heat Transfer The energy radiated from a surface Q at absolute temperature T is related as Q ∝ T³ None of these Q ∝ T² Q ∝ T⁴ Q ∝ T³ None of these Q ∝ T² Q ∝ T⁴ ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer For a liquid in laminar flow through a very long tube, when the exit fluid temperature approaches the wall temperature, the equation to be used is Nu = 2Gz0.5 Nu = 0.023 Re0.8 . Pr0.4 Nu = Gz Nu = Gz Nu = 2Gz0.5 Nu = 0.023 Re0.8 . Pr0.4 Nu = Gz Nu = Gz ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The ratio of total radiating power to the absorptivity of the body depends upon the __________ as per Kirchoffs law. Wavelength of radiation Nature of the body Temperature of the body None of these Wavelength of radiation Nature of the body Temperature of the body None of these ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Nusselt number for full developed, laminar, constant property flow in a pipe at uniform heat flux is 83 4.364 18 0.72 83 4.364 18 0.72 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 Heat sensitive material can be handled Most concentrated liquid is at highest temperature Equal heat transfer co-efficients exist in various effects There is no additional cost of pumping Heat sensitive material can be handled Most concentrated liquid is at highest temperature Equal heat transfer co-efficients exist in various effects ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Trap is used to remove __________ from steam pipe lines. Steam None of these Condensate Non-condensables Steam None of these Condensate Non-condensables ANSWER DOWNLOAD EXAMIANS APP
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