Tube side pressure drop in a 1-2 heat exchanger (for turbulent flow of fluids through the tubes) is about __________ times, that in a 1-1 heat exchanger having the same size & number of tubes and operated at the same liquid flow rate ?

Related Mcqs:

Stage efficiency for packed tower varies with the____________________?

A. Type & size of packing B. Fluid rates and fluid properties C. Operating pressure and column diameter D. All A., B. and C....

The necessary wall thickness for a metallic storage vessel is a function of the ___________________?

A. Ultimate tensile strength (or yield point) of the material and operating temperature B. Operating pressure and welding/joint efficiency C. Diameter of the vessel D. All A., B. and C....

Poisson’s ratio of a material is the ratio of unit lateral strain to the unit axial elongation within its elastic limit. The value of Poisson’s ratio for structural and pressure vessel steel may be taken as ____________________?

A. 0.01 B. 0.3 C. 0.75 D. 0.95...

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...

Ratio of tube length to shell diameter for a shell and tube heat exchanger is________________?

A. 8 : 1 to 12 : 1 for both liquid-liquid and gas-gas heat exchangers B. 4 : 1 to 8 : 1 for liquid-liquid exchanger C. < 4 : 1 for gas-gas exchangers D. Both B. & C....