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UPSC Civil Service Exam Questions - Engineering

Q1:

Which of the following types of pumps can be used for concreting ?
1. Piston operated.
2. Pneumatically operated.
3. Centrifugal operated, with straight blades.
4. Screw type.

A 1 and 3

B 1 and 2

C 1, 3 and 4

D 2 and 4

ANS:B - 1 and 2

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