Process Equipment and Plant Design At equal mass velocities, the values of film co-efficients for gases as compared to that for liquids are generally. Same Unpredictable Higher Lower Same Unpredictable Higher Lower ANSWER DOWNLOAD EXAMIANS APP
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 4 : 1 to 8 : 1 for liquid-liquid exchanger 8 : 1 to 12 : 1 for both liquid-liquid and gas-gas heat exchangers Both B & C < 4 : 1 for gas-gas exchangers 4 : 1 to 8 : 1 for liquid-liquid exchanger 8 : 1 to 12 : 1 for both liquid-liquid and gas-gas heat exchangers Both B & C 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 = 2 σL σh = σL/2 No relation exists σh = σL σh = 2 σL σh = σL/2 No relation exists σh = σL ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Safety valves are provided in chemical equipments to guard against excessive Pressure/pressure fluctuation Noise Turbulence Temperature Pressure/pressure fluctuation Noise Turbulence Temperature ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In the downcomer of a distillation column, the minimum recommended residence time is about __________ seconds. 17.5 12.5 5 2.5 17.5 12.5 5 2.5 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Hole diameter of the seive trays in the distillation column ranges from __________ mm. 4 to 8 L to 3 12.5 to 18.5 3 to 12.5 4 to 8 L to 3 12.5 to 18.5 3 to 12.5 ANSWER DOWNLOAD EXAMIANS APP