M

Mr. Dubey • 52.30K Points
Coach 

Q. Dittus-Boelter equation used for the determination of heat transfer co-efficient is valid

(A) For fluids in laminar flow
(B) For fluids in turbulent flow
(C) When Grashoff number is very important
(D) For liquid metals
Correct : Option (B)

Share

Discusssion

Login to discuss.

Loading Comments....

Related MCQs

Q. The live storage of coal in power plant means

Q. The evaporation process is a

Q. Which of the following is not subtractive process?

Q. On which of the following factors does air standard efficiency of a diesel cycle depend?

Q. The part of available for conversion is referred to

Q. Economizer is used to provide enriched mixture during

Q. A three phase induction motor is sometimes called a generalized transformer in so far as voltage and frequency transformation has been concerned. Then

Q. The lead angle of a worm is 22.5°. Its helix angle will be

Q. The half-life of Th-170 is approximately:

Q. Entrainment happens at __________