Process Equipment and Plant Design Speed of the drum of the rotary vacuum filter normally ranges from __________ rpm. 5 to 7 8 to 15 0.1 to 2 3 to 8 5 to 7 8 to 15 0.1 to 2 3 to 8 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Factor of safety (i.e., overdesign factor) in heat transfer equipments is about __________ percent more than the actual/theoretical design factor. 30-35 43961 15-20 35-40 30-35 43961 15-20 35-40 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. 2.5 times Less than 1.25-1.50 times One-fourth of 2.5 times Less than 1.25-1.50 times One-fourth of ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The centre to centre distance between two consecutive baffles in a shell and tube heat exchanger is called the baffle pitch or baffle spacing, which is more than 1/5th the I.D. of the shell. Which of the following is not a function of the baffles? To provide support to the tube bundle To reduce the induced vibration in the tubes To increase the tube side heat transfer co-efficient by inducing turbulence To increase the residence time of shell side fluid To provide support to the tube bundle To reduce the induced vibration in the tubes To increase the tube side heat transfer co-efficient by inducing turbulence To increase the residence time of shell side fluid ANSWER DOWNLOAD EXAMIANS APP
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 20.8 2 None of these 20.2 20.8 2 None of these 20.2 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The length of straight rectangular weir used on cross-flow trays is generally __________ the column diameter. Equal to 0.6-0.8 times 2 ft irrespective of (for column > 3 ft diameter) Twice Equal to 0.6-0.8 times 2 ft irrespective of (for column > 3 ft diameter) Twice ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS