Process Equipment and Plant Design An increase in the liquid resistance to interphase mass transfer and a resultant reduction in plate efficiency is caused by All of these An increase in relatived volatility for rectification columns Decrease in gas solubility for absorbers An increase in liquid viscosity All of these An increase in relatived volatility for rectification columns Decrease in gas solubility for absorbers An increase in liquid viscosity ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The raio, (properller agitator dia/tank dia) is normally taken as 0.75-0.85 0.5-0.65 0.15-030 0.60-0.90 0.75-0.85 0.5-0.65 0.15-030 0.60-0.90 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Le/D for fully open gate valves would be Around 7 Much less (say 2% than that for fully open globe valves) Both B and C Much more than that for fully open globe valves Around 7 Much less (say 2% than that for fully open globe valves) Both B and C Much more than that for fully open globe valves ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In hydrostatic testing of welded pipe (for leakage, strength etc.) the ratio of minimum hydrostatic test pressure to internal design pressure is around 2.5 0.5 1.5 3.5 2.5 0.5 1.5 3.5 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 None of these Smaller reactor should come first Larger reactor should come first Equal sized reactors are the best None of these Smaller reactor should come first Larger reactor should come first Equal sized reactors are the best ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In a shell and tube heat exchanger, tube side __________ of the mass velocity. Pressure drop is proportional to the square Neither A nor B Both A & B Heat transfer co-efficient is proportional to 0.8th power Pressure drop is proportional to the square Neither A nor B Both A & B Heat transfer co-efficient is proportional to 0.8th power ANSWER DOWNLOAD EXAMIANS APP
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