Heat Transfer Nusselt number is the ratio of the Heat flux at the wall to that across the entire pipe Temperature difference to the temperature gradient at the wall None of these Temperature gradient of the wall to that across the entire pipe Heat flux at the wall to that across the entire pipe Temperature difference to the temperature gradient at the wall None of these Temperature gradient of the wall to that across the entire pipe ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Controlling heat transfer film co-efficient is the one, which offers __________ resistance to heat transfer. the largest no the least lower the largest no the least lower ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Film condensation is promoted on a/an __________ surface. coated clean & smooth oily dirty coated clean & smooth oily dirty ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Heat sensitive materials can be concentrated in an evaporator employing High residence time None of these Vacuum High pressure High residence time None of these Vacuum High pressure ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer 'Fouling factor' used in the design of a multipass shell and tube heat exchanger is a Non-dimensional factor Factor of safety None of these Conversion factor for individual film heat transfer co-efficient to overall heat transfer co-efficient Non-dimensional factor Factor of safety None of these Conversion factor for individual film heat transfer co-efficient to overall heat transfer co-efficient ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The energy radiated from a surface Q at absolute temperature T is related as Q ∝ T² Q ∝ T³ None of these Q ∝ T⁴ Q ∝ T² Q ∝ T³ None of these Q ∝ T⁴ ANSWER DOWNLOAD EXAMIANS APP
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