The ratio for the rate of washing to the final rate of filtration in a washing type of plate and frame filter is____________________?

Related Mcqs:

In a pressure vessel containing multiple openings of various dimensions at different parts, stress concentration at the edges of the opening is maximum which becomes negligibly small beyond the area covered by ______________ times the hole diameter?

A. Two B. Five C. Ten D. Twenty...

Which of the following is the most common type of baffle used in industrial shell and tube heat exchanger ?

A. 75% cut segmental baffle B. 25% cut segmental baffle C. Orifice baffle D. Disk and doughnut baffle...

In a shell and tube heat exchanger having triangular pitch, the shell side equivalent diameter is given by________________?

A. 4(0.86P2 – πd2/4)/πd B. (P2 – πd2/4)/πd C. 4(0.86P2 – πd2)/πd D. (4P2 + πd2/4)/πd...

Wall thickness of schedule 40 pipe as compared to that of schedule 80 pipe is ___________________?

A. More B. Less C. Same D. Either A. or B.; depends upon the I.D. of the pipe...

_______________ shaped roof is most commonly used for cylindrical tanks ?

A. Cone B. Dome C. Umbrella D. Flat...