Heat Transfer The energy radiated from a surface Q at absolute temperature T is related as None of these Q ∝ T³ Q ∝ T⁴ Q ∝ T² None of these Q ∝ T³ Q ∝ T⁴ Q ∝ T² ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer A cube, sphere & a thin circular plate (all having same mass and made of same material) are all heated to 300°C and allowed to cool in natural air. Which one will cool the slowest ? Plate All of these Sphere Cube Plate All of these Sphere Cube ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Which of the following is the most controlling factor for the rate of bubble detachment from the hot solid surface? Hot surface temperature Liquid viscosity Interfacial tension Liquid density Hot surface temperature Liquid viscosity Interfacial tension Liquid density ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Which is the best tube arrangement (in a shell and tube heat exchanger) if the fluids are clean and non-fouling? None of these Square pitch Triangular pitch Diagonal square pitch None of these Square pitch Triangular pitch Diagonal square pitch ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The equivalent diameter for pressure drop is __________ that for heat transfer smaller than equal to greater than None of the listed here smaller than equal to greater than None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Controlling heat transfer film co-efficient is the one, which offers __________ resistance to heat transfer. lower no the largest the least lower no the largest the least ANSWER DOWNLOAD EXAMIANS APP
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