Process Equipment and Plant Design A single pass air heater is connected to a two pass unit. For the air flow rate and other conditions remaining the same, the film heat transfer co-efficient for air will vary in the ratio of 2 20.2 20.8 None of these 2 20.2 20.8 None of these ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In a continuous distillation column, the optimum reflux ratio ranges from __________ times the minimum reflux ratio. 1.6 to 2 2.2 to 2.6 1.1 to 1.5 2.7 to 3 1.6 to 2 2.2 to 2.6 1.1 to 1.5 2.7 to 3 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In a shell and tube heat exchanger, triangular pitch arrangement as compared to square pitch arrangement Can accomodate less number of tubes for a given shell diameter Creates relatively lower turbulence on the shell side resulting in lower shell side heat transfer co-efficient Facilitates easier shell side cleaning; hence is more suitable for handling high dirt factor shell side fluid Results in higher shell side pressure drop Can accomodate less number of tubes for a given shell diameter Creates relatively lower turbulence on the shell side resulting in lower shell side heat transfer co-efficient Facilitates easier shell side cleaning; hence is more suitable for handling high dirt factor shell side fluid Results in higher shell side pressure drop ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The average velocity in the tubes of a 1-4 heat exchanger is __________ times that in 1-1 heat exchanger having the same size & number of tubes and operated at same liquid flow rate. 43832 2 4 43834 43832 2 4 43834 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Slope of countercurrent flow rotary drier is in the range of __________ meter/metre. 0 to 0.8 0 to 0.08 0 to 1.5 0 to 2.2 0 to 0.8 0 to 0.08 0 to 1.5 0 to 2.2 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The LMTD correction factor (FT) is defined as the Ratio of LMTD to the true temperature difference Differenced of true temperature difference and the LMTD Ratio of true temperature difference to the LMTD Geometric mean of the true temperature difference and the LMTD Ratio of LMTD to the true temperature difference Differenced of true temperature difference and the LMTD Ratio of true temperature difference to the LMTD Geometric mean of the true temperature difference and the LMTD ANSWER DOWNLOAD EXAMIANS APP
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