In a heat exchanger, shell side fluid velocity can be changed by changing the tube _______________________?

Related Mcqs:

In a shell and tube heat exchanger having square pitch, the shell side equivalent diameter is given by (where, P = pitch, d = outside diameter of the tube) ?

A. 4(P2 – πd2/4)/πd B. (P2 – rd2/4)/rd C. 4P2/πd D. πd/4P2...

A perforated plate has holes of diameter dn arranged in a pitch ph. Each hole has a tube of I.D. dt passing through it. The ligament efficiency is given by_______________?

A. (ph – dh)/ph B. (ph – dh . dt/2)/ph C. (ph – dt)/ph D. (ph – dh)/dh...

_____________ dished head is the strongest of all?

A. Hemispherical B. Elliptical C. Torispherical D. None of these...

The minimum tray spacing in distillation column of diameter less than 3 ft is normally _____________ inches?

A. 6 B. 18 C. 24 D. 34...

For a cylindrical vessel of moderate height, the weld joint efficiency for joints parallel to the cylindrical axis is given as 1.0; while for joints along the girth (circumference) it is given as 0.8. In calculating the shell wall thickness using code formula for an internally pressurised cylindrical vessel, what value of weld joint efficiency should be used ?

A. 0.8 B. 0.9 C. 1.0 D. (0.8)0.5...