Process Equipment and Plant Design In most of the shell and tube heat exchangers, the tube pitch is generally __________ the tube diameter. 2.5 times 1.25-1.50 times Less than One-fourth of 2.5 times 1.25-1.50 times Less than One-fourth of ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Needle valves are generally not used for Very large diameter pipes High pressure throttling service Very accurate flow control Smaller sizes of pipe Very large diameter pipes High pressure throttling service Very accurate flow control Smaller sizes of pipe 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 Both A & B Heat transfer co-efficient is proportional to 0.8th power Neither A nor B Pressure drop is proportional to the square Both A & B Heat transfer co-efficient is proportional to 0.8th power Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Corrosion allowance in the design of pressure vessel/chemical equipment is not necessary, if Plain carbon steel and cast iron parts are used Wall thickness is > 30 mm Material of construction is high alloy steel Both B & C Plain carbon steel and cast iron parts are used Wall thickness is > 30 mm Material of construction is high alloy steel Both B & C ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Friction factor for turbulent flow in a new pipe is given by f = 16/NRe f = 0.22 NRe0.05 f = 25/NRe f = 0.04/NRe0.16 f = 16/NRe f = 0.22 NRe0.05 f = 25/NRe f = 0.04/NRe0.16 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In actual operation of distillation column, the vapour is not distributed uniformly among the bubble caps, primarily because of the Small downcomer liquid seal Lower skirt clearance Liquid gradient on the tray Lower static submergence Small downcomer liquid seal Lower skirt clearance Liquid gradient on the tray Lower static submergence ANSWER DOWNLOAD EXAMIANS APP
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