For the same heat load and mass flow rate in the tub... - Solved MCQs & Answer

5389Chemical EngineeringMedium

For the same heat load and mass flow rate in the tube side of a shell and tube heat exchanger, one may use multipass on the tube side, because it________?

ADecreases the outlet temperature of cooling medium

BDecreases the pressure drop

CNone of these

DIncreases the overall heat transfer coefficient

Correct answer

D. Increases the overall heat transfer coefficient

Explanation

The correct answer is Increases the overall heat transfer coefficient.

Related Chemical Engineering MCQs

View all 8342 MCQs →

MCQ #5391

Which of the following is an unsaturated fatty acid?

Ans: Oleic acidRead →

MCQ #5387

In multistage equilibrium conversion of SO2 to SO3 (2SO2 + O2 ⇌ 2SO3), the reverse reaction becomes appreciable at a temperature of 550° C. The percentage equilibrium conversion of SO2 to SO3 can be increased by?

Ans: Removing some quantity of SO3 during intermediate stageRead →

MCQ #5392

Thermal pollution due to excessive heat & temperature in the working place causes________?

Ans: All A., B. & C.Read →

MCQ #5386

The ratio of moles of a reactant converted into the desired product to that converted into unwanted product is called________?

Ans: SelectivityRead →

MCQ #7474

Lessing ring is formed by the addition of a partition across the centre of a raschig ring, which results in an area increase of about ________ percent?

Ans: 20Read →

MCQ #1218

All analogy equations connecting friction factor and heat transfer co-efficient apply only to ________?

Ans: Wall or skin frictionRead →