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Which of the following pumps can be used as vacuum pumps?

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+2 votes
in Food Processing Unit Operations by (110k points)
Which of the following pumps can be used as vacuum pumps?

(a) Positive displacement

(b) Jet

(c) Airlift

(d) Propeller pumps

I have been asked this question in my homework.

I need to ask this question from Fluid Flow Applications topic in chapter Fluid Flow Theory & Applications of Food Processing Unit Operations

1 Answer

+1 vote
by (736k points)
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Best answer
Correct choice is (b) Jet

Easy explanation: The jet pumps are used as vacuum pumps.A high velocity jet converts the energy of the fluid into velocity energy in the nozzle. This produces a low pressure area causing the surrounding fluid to be sucked into the pipe.

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