The equivalent diameter for pressure drop is _______________ that for heat transfer?

Related Mcqs:

Removable connection of tubes to tube sheet is called___________________?

A. Ferrule B. Socket C. Nipple D. Saddle...

In a double pipe (concentric) heat exchanger, the hydraulic radius for heat transfer (for a fluid flowing through the annulus) would be_________________?

A. Same as that for fluid flow B. Less than that for fluid flow C. More than that for fluid flow D. D2 – D1 (D1 and D2 are I.D. of inner and outer pipes respectively)...

Thin spherical shells subjected to internal pressure, develop ______________ stresses?

A. Radial B. Circumferential C. Both A. & B. D. Neither A. nor B....

For identical situation, condensing film coefficient in case of a horizontal condenser is almost ______________ the value expected in case of vertical condenser?

A. Half B. Twice C. Thrice D. Five times...

Normally, the ratio of the total riser area to the tower cross sectional area (for bubble cap towers of diameter more than 3 ft) is around_______________?

A. 0.4-0.6 B. 0.35-0.75 C. 0.1-0.2 D. 0.55-0.85...