Factor of safety (i.e., overdesign factor) in heat transfer equipments is about _____________ percent more than the actual/theoretical design factor?

Related Mcqs:

Removable connection of tubes to tube sheet is called___________________?

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

The clearance between two tubes in a shell and tube heat exchanger is known as ‘ligament’, whose minimum value is _____________ the outside diameter of the tube, but in no case it should be less than 4.5 mm?

A. Equal to B. Half C. One fourth D. Three fourth...

_____________ dished head is the strongest of all?

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

Equivalent diameter for heat transfer calculation for a duct of square cross-section having each side as ‘d’ will be__________________?

A. d B. √d C. √(2πd) D. √(2d)...

It is not desirable to design a heat exchanger for LMTD correction factor, FT, of less than _________________?

A. 0.99 B. 0.95 C. 0.80 D. 0.55...