Process Equipment and Plant Design In case of a shell and tube heat exchanger, the minimum shell thickness for carbon steel (inclusive of corrosion allowance) depends on shell diameter and is in the range of __________ mm. 44058 44183 43962 43895 44058 44183 43962 43895 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. 1.25-1.50 times One-fourth of 2.5 times Less than 1.25-1.50 times One-fourth of 2.5 times Less than ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In a multipass shell and tube heat exchanger, the problem of differential expansion between the shell and tube passes is taken care of by using a Neither A nor B U-bend Either A or B Floating head tube sheet Neither A nor B U-bend Either A or B Floating head tube sheet ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Fouling factor must be included in the calculation of over all design heat transfer coefficient, when the liquid Containing suspended solids flows at low velocity Is highly viscous Containing suspended solids flows at high velocity Is of high specific gravity Containing suspended solids flows at low velocity Is highly viscous Containing suspended solids flows at high velocity Is of high specific gravity 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 increase the residence time of shell side fluid To reduce the induced vibration in the tubes To provide support to the tube bundle To increase the tube side heat transfer co-efficient by inducing turbulence To increase the residence time of shell side fluid To reduce the induced vibration in the tubes To provide support to the tube bundle ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Apex angle of conical heads used in the bottom heads of chemical process equipments is usually 60° 75° 30° 45° 60° 75° 30° 45° ANSWER DOWNLOAD EXAMIANS APP