Heat Transfer Sensible heat of hot industrial flue gases can not be recovered by a/an Economiser None of these Ceramic recuperator Regenerator Economiser None of these Ceramic recuperator Regenerator ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Double pipe heat exchangers are used when heat transfer area required is very low when heat transfer area required is very high because it occupies less floor area because it is less costly when heat transfer area required is very low when heat transfer area required is very high because it occupies less floor area because it is less costly ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Value of Nusselt number [Nu = (hD/k)] for the heat transfer by conduction from a droplet or a spherical particle to a surrounding stagnant film is 100 0.5 10 2 100 0.5 10 2 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer For turbulent flow in a tube, the heat transfer co-efficient is obtained from the Dittus-Boelter correlation. If the tube diameter is halved and the flow rate is doubled, then the heat transfer co-efficient will change by a factor of 37 6.1 1.74 1 37 6.1 1.74 1 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In a backward feed multiple effect evaporator Feed is introduced in the first effect None of these Feed flows from low pressure to high pressure No pumps are required between successive effects Feed is introduced in the first effect None of these Feed flows from low pressure to high pressure No pumps are required between successive effects 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? Square pitch Triangular pitch Diagonal square pitch None of these Square pitch Triangular pitch Diagonal square pitch None of these ANSWER DOWNLOAD EXAMIANS APP
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