GATE AG 2012 • Q8 MCQ • 2 Marks

Section 5: Irrigation and Drainage Engineering

Wells and Pumps

Subtopic: Classification of pumps

Question Statement:

A pumping device that combines the advantages of both centrifugal and reciprocating pumps is known as:

Options:

  • (A) air lift pump
  • (B) hydraulic ram
  • (C) jet pump
  • (D) rotary pump

Official Answer Key:

D

Step-by-Step Solution & Explanation

Rotary (positive-displacement, e.g. gear/screw) pumps combine the smooth continuous-flow characteristic of centrifugal pumps with the positive, self-priming displacement action of reciprocating pumps, making them suited to viscous fluids at moderate heads. Answer: D (per official key).

Practice This in Real CBT Exam Interface

Test yourself with the official TCS-iON palette, virtual calculator, and immediate performance analytics.

Launch CBT Mock Test