Process Equipment and Plant Design Log mean temperature difference in case of multi-pass shell and tube heat exchanger is always More than arithmetic mean value More than geometric mean value Both B & C Less than arithmetic mean value More than arithmetic mean value More than geometric mean value Both B & C Less than arithmetic mean value ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The dust collection efficiency of a cyclone separator Decreases with increase in gas flow rate None of these Is directly proportional to the radius of the dust particle path Is inversely proportional to the mass of the dust particle Decreases with increase in gas flow rate None of these Is directly proportional to the radius of the dust particle path Is inversely proportional to the mass of the dust particle ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The optimum size ratio for two mixed reactors in series depends on the kinetics of the reaction and the conversion level. For reaction orders more than one, the Larger reactor should come first None of these Smaller reactor should come first Equal sized reactors are the best Larger reactor should come first None of these Smaller reactor should come first Equal sized reactors are the best ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Minimum tube pitch recommended for shell and tube heat exchangers is about __________ times the outside diameter of the tube. 1.75 2.5 1.25 3.5 1.75 2.5 1.25 3.5 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In shell and tube heat exchangers, straight tie rods are used to Hold baffle in space Fix the tubes in position Account for thermal strain None of these Hold baffle in space Fix the tubes in position Account for thermal strain None of these ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Safety valves are provided in chemical equipments to guard against excessive Temperature Pressure/pressure fluctuation Turbulence Noise Temperature Pressure/pressure fluctuation Turbulence Noise ANSWER DOWNLOAD EXAMIANS APP
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