Process Equipment and Plant Design If a single tube pass heat exchanger is converted to two passes; for the same flow rate, the pressure drop per unit length in tube side will __________ times. Increase by 21.6 Decrease by 22 Increase by 1.8 None of these Increase by 21.6 Decrease by 22 Increase by 1.8 None of these ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In shell and tube heat exchangers, straight tie rods are used to Account for thermal strain None of these Fix the tubes in position Hold baffle in space Account for thermal strain None of these Fix the tubes in position Hold baffle in space ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design __________ of water makes it a widely used coolant in heat exchangers. High specific heat Low corrosiveness Low dirt factor Low viscosity High specific heat Low corrosiveness Low dirt factor Low viscosity ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The wall thickness of thin cylindrical shell with hemispherical ends is __________ that of the spherical ends. Less than Equal to Either B or C; depends on maximum permissible internal pressure More than Less than Equal to Either B or C; depends on maximum permissible internal pressure More than ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Ratio of tube length to shell diameter for a shell and tube heat exchanger is 8 : 1 to 12 : 1 for both liquid-liquid and gas-gas heat exchangers Both B & C 4 : 1 to 8 : 1 for liquid-liquid exchanger < 4 : 1 for gas-gas exchangers 8 : 1 to 12 : 1 for both liquid-liquid and gas-gas heat exchangers Both B & C 4 : 1 to 8 : 1 for liquid-liquid exchanger < 4 : 1 for gas-gas exchangers ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design If 'D' is the inside diameter of the shell of a shell and tube heat exchanger, then the baffle spacing is usually in the range of D/5 or minimum 2" to 5D D/5 or minimum 2" to D D/2 or minimum 2" to 5D None of these D/5 or minimum 2" to 5D D/5 or minimum 2" to D D/2 or minimum 2" to 5D None of these ANSWER DOWNLOAD EXAMIANS APP
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