The steam ejector is used to__________________?
Correct answer: B. Create vacuum
- A. Remove condensate from the steam pipelines
- B. Create vacuum
- C. Superheat the steam
- D. None of these
Explanation
A steam ejector converts the pressure energy of motive steam into a high-velocity jet, which entrains air or vapour and produces a vacuum. It is not primarily a condensate-removal or steam-superheating device.
Report an error
The more specific you are, the faster it gets fixed. A source beats an opinion.
Prefer email? support@testustad.com
Practise Heat Transfer Operations
645 free Heat Transfer Operations MCQs from Chemical Engineering, each with the correct answer and an explanation. Unlimited attempts, no account needed.
Exams that ask Chemical Engineering questions like this
Chemical Engineering is on this paper prepared for on TestUstad, and all of them draw the same bank, so this question is worth knowing for it.
More Heat Transfer Operations questions
Heat flux is the time rate of heat transfer per unit_______________?
The actual temperature drop across the heating surface in an evaporator depends on the_________________?
Extended heat transfer surface like fins are used to increase the heat transfer rate. Fin efficiency is defined as the ratio of heat transferred across the fin surface to the theoretical heat transfer across an equal area held at the________________?
Steam is to be condensed in a shell and tube heat exchanger, 5 m long with a shell diameter of 1 m. Cooling water is to be used for removing the heat. Heat transfer co-efficient for the cooling water, whether on shell side or tube side is the same. The best arrangement is_____________?
Which of the following is generally considered as opaque surface towards radiations ?
Fourier's law of heat conduction applies to _____________ surfaces?