UPSC Civil Service Exam Questions - Engineering

Q1:

A high efficiency pump is required for low discharge, high head and low maintenance cost. Delivery of water need not be continuous. The pump need not run at high speed. Which one of the following is the correct choice ?

A Centrifugal pump

B Reciprocating pump

C Air lift pump

D Hydraulic ram

ANS:B - Reciprocating pump

The reciprocating pump has high efficiency,
Also, k/a positive displacement pump has high head low discharge.