Process Equipment and Plant Design Ratio of tube length to shell diameter for a shell and tube heat exchanger is < 4 : 1 for gas-gas exchangers 8 : 1 to 12 : 1 for both liquid-liquid and gas-gas heat exchangers 4 : 1 to 8 : 1 for liquid-liquid exchanger Both B & C < 4 : 1 for gas-gas exchangers 8 : 1 to 12 : 1 for both liquid-liquid and gas-gas heat exchangers 4 : 1 to 8 : 1 for liquid-liquid exchanger Both B & C ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In the design of a bag filter, the gas temperature is an important consideration, as it affects the Fibre selection All of these Gas density Gas viscosity Fibre selection All of these Gas density Gas viscosity ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Column support for the roof of cylindrical storage tank must be provided for Small diameter tanks Small diameter tall tanks All of these Large diameter tanks Small diameter tanks Small diameter tall tanks All of these Large diameter tanks ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design What is the minimum recommended ligament for square pitch arrangement in case of heat exchangers? Equal to tube I.D 6.5 mm 6.5 cms Equal to tube O.D Equal to tube I.D 6.5 mm 6.5 cms Equal to tube O.D ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The centre to centre distance between two consecutive baffles in a shell and tube heat exchanger is called the baffle pitch or baffle spacing, which is more than 1/5th the I.D. of the shell. Which of the following is not a function of the baffles? To increase the residence time of shell side fluid To reduce the induced vibration in the tubes To increase the tube side heat transfer co-efficient by inducing turbulence To provide support to the tube bundle To increase the residence time of shell side fluid To reduce the induced vibration in the tubes To increase the tube side heat transfer co-efficient by inducing turbulence To provide support to the tube bundle ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Multiple blade paddle agitator is used for mixing high viscosity liquids/paste in which the paddle diameter is commonly 0.8 times the tank diameter. However, the width of the blade is in the range of __________ times the paddle diameter. 0.1 to 0.25 0.3 to 0.5 0.5 to 0.6 0.65 to 0.80 0.1 to 0.25 0.3 to 0.5 0.5 to 0.6 0.65 to 0.80 ANSWER DOWNLOAD EXAMIANS APP
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