Process Equipment and Plant Design Ratio of tube length to shell diameter for a shell and tube heat exchanger is Both B & C 4 : 1 to 8 : 1 for liquid-liquid exchanger 8 : 1 to 12 : 1 for both liquid-liquid and gas-gas heat exchangers < 4 : 1 for gas-gas exchangers Both B & C 4 : 1 to 8 : 1 for liquid-liquid exchanger 8 : 1 to 12 : 1 for both liquid-liquid and gas-gas heat exchangers < 4 : 1 for gas-gas exchangers 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 Larger reactor should come first Smaller reactor should come first Equal sized reactors are the best None of these Larger reactor should come first Smaller reactor should come first Equal sized reactors are the best ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Rivets are generally specified by the Overall length None of these Shank diameter Head diameter Overall length None of these Shank diameter Head diameter ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Vertical vessels are not supported by Columns Brackets Saddles Skirts Columns Brackets Saddles Skirts ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In a cylinderical vessel subjected to internal pressure, the longitudinal stress σL and the circumferential stress, σh are related by σh = σL No relation exists σh = σL/2 σh = 2 σL σh = σL No relation exists σh = σL/2 σh = 2 σL ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design A pipe is generally made of circular cross-section, because a circular cross-section has the None of these Lowest surface area requirement for a given volume Higher structural strength Both A & B None of these Lowest surface area requirement for a given volume Higher structural strength Both A & B ANSWER DOWNLOAD EXAMIANS APP