Use of transverse baffles in a shell and tube heat exchanger is done to increase the___________________?

Related Mcqs:

Pick out the correct statement ?

A. 1 kcal/hr.m.°C is equal to 1 BTU/hr. ft.°F B. In steady state heat conduction, the only property of the substance which determines the temperature distribution, is the thermal conductivity C. In unsteady state heat conduction, heat flows in the direction of temperature rise D. In heat transfer by forced convection, Grashoff number is very … Pick out the correct statement ?Read More...

In a single evaporator system, the steam economy ________________ by creating vacuum in the evaporator?

A. Increases B. Decreases C. Remain constant D. May increase or decrease, depends on the vacuum...

The absorptivity of a grey body at a given temperature _____________ with increasing wavelength of radiation?

A. Increases B. Decreases C. Remain constant D. May increase or decrease; depends on the material...

A composite wall consists of two plates A and B placed in series normal to the flow of heat. The thermal conductivities are kA and kB and the specific heat capacities are CPA and CPB for plates A and B respectively. Plate B has twice the thickness of plate A. At steady state, the temperature difference across plate A is greater than that across plate B, when_________________?

A. CPA > CPB B. CPA < CPB C. kA < 0.5 kB D. kA >2 kB...

Prandtl number for most of dry gases is about________________?

A. 0.001 B. 0.72 C. 70 D. 150...