Process Equipment and Plant Design The difficulty of liquid distribution in packed towers is accentuated, when the ratio of tower diameter to packing diameter is > 7 < 15 < 30 < 7 > 20 < 50 > 7 < 15 < 30 < 7 > 20 < 50 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 increase the tube side heat transfer co-efficient by inducing turbulence To reduce the induced vibration in the tubes To provide support to the tube bundle To increase the residence time of shell side fluid To increase the tube side heat transfer co-efficient by inducing turbulence To reduce the induced vibration in the tubes To provide support to the tube bundle 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 2 20.8 None of these 20.2 2 20.8 None of these 20.2 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Width and depth of grooves in the tube sheet holes normally are __________ inch respectively. 1/2 and 8 1/2 and 5 1/64 and 1/8 1/8 and 1/64 1/2 and 8 1/2 and 5 1/64 and 1/8 1/8 and 1/64 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In case of 1.5" heat exchanger tubes, the inside flow area __________ with decrease in BWG. None of these Remains same Increases Decreases None of these Remains same Increases Decreases ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In the design of a paddle agitator, the ratio (paddle dia/tank dia) is normally taken as 0.8 0.5 0.1 0.25 0.8 0.5 0.1 0.25 ANSWER DOWNLOAD EXAMIANS APP