Heat Transfer In a backward feed multiple effect evaporator 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 Feed is introduced in the first effect None of these Feed flows from low pressure to high pressure ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The critical radius 'r' of insulation on a pipe is given by r = h/k r = k/h r = 2k/h r = k/2h r = h/k r = k/h r = 2k/h r = k/2h ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer LMTD can't be used as such without a correction factor for the Multipass heat exchanger Baffled heat exchanger Condensation of mixed vapour in a condenser All of these Multipass heat exchanger Baffled heat exchanger Condensation of mixed vapour in a condenser All of these ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Hot water (0.01 m³ /min) enters the tube side of a counter current shell and tube heat exchanger at 80°C and leaves at 50°C. Cold oil (0.05 m³/min) of density 800 kg/m³ and specific heat of 2 kJ/kg.K enters at 20°C. The log mean temperature difference in °C is approximately 45 50 32 37 45 50 32 37 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The film co-efficient is decreased due to the presence of non-condensing gases in the vapors. The film co-efficient of superheated vapor as compared to that of saturated vapor is Some Less More Either more or less ; depends on the nature of vapor Some Less More Either more or less ; depends on the nature of vapor ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The purpose of providing a 'catchall' in the vapor line of an evaporator is to Arrest the entrained liquid Vent the non-condensible gases Create vacuum Regulate the vapor flow Arrest the entrained liquid Vent the non-condensible gases Create vacuum Regulate the vapor flow ANSWER DOWNLOAD EXAMIANS APP
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