Process Equipment and Plant Design A single pass air heater is connected to a two pass unit. For the air flow rate and other conditions remaining the same, the film heat transfer co-efficient for air will vary in the ratio of None of these 20.8 2 20.2 None of these 20.8 2 20.2 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The design stress, which is more than the damaging stress, is the least unit stress that will render a member unfit for service before the end of its normal life. The design stress factor or factor of safety indicates the margin between design stress and the __________ stress. None of these Allowable Damaging Working None of these Allowable Damaging Working ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The thickness of heat transfer plates used in the plate type heat exchanger ranges from __________ mm, pressed in a single piece provided with grooves & corrugations. 1.25 to 3.125 3.5 to 7.0 44055 0.3 to 0.8 1.25 to 3.125 3.5 to 7.0 44055 0.3 to 0.8 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The minimum plate spacing in most of the pertroleum refinery distillation columns (of dia > 3 ft) is normally __________ inches. 6 18 34 12 6 18 34 12 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In most of the shell and tube heat exchangers, the tube pitch is generally __________ the tube diameter. Less than 1.25-1.50 times One-fourth of 2.5 times Less than 1.25-1.50 times One-fourth of 2.5 times ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design A claming section before the liquid flows into the downcomer is privided to Permit release of entrained vapour in the liquid Ensure better vapour-liquid contact Reduce the discharge fluctuation Cool the liquid before it flows down Permit release of entrained vapour in the liquid Ensure better vapour-liquid contact Reduce the discharge fluctuation Cool the liquid before it flows down ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS