Hydraulics and Hydraulic Machinery

This is an MCQ-based quiz on the topic of Hydraulics and Hydraulic Machinery.

This includes types of flows – Type of channels – Velocity distribution – Energy and momentum correction factors – Chezy’s, Manning’s; Bazin formulae for uniform flow, and many more.

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Hydraulic accumulator is a device used for

Increasing the pressure intensity of a fluid Lifting heavy weights Storing the energy of the fluid in the form of pressure energy None of These

Pelton wheels are used for minimum of following heads -

50 100 125 180 M or above

Francis turbine is best suited for

High head installation above 180 m Low head installation up to 30 m Medium head application from 24 to 180 m None of these

Which of the following is not a rotary pump

Vane Gear Screw Axial

For small discharge and high heads which pump is preferred

Reciprocating type Axial flow type Radial flow type Centrifugal type

Which of the following pumps is used for pumping viscous fluids

Centrifugal pump Screw pump Reciprocating pump Jet pump

The impeller is mounted on a _______

Throttle bush Stuffing box Shaft Draft tube

SOH in a pump stands for____________

Shut off heat Shut Off head Shut off hybrid Set off head

A multistage centrifugal pump produces a pressure of __________

150 MPa 10 Pa 21 MPa 100 MPa

The fire clay contains pure -

Hydrated aluminium silicate Lime Oxide of iron Magnesium

What is necessary for self priming to take place?

Pump casing Draft tube Suspended solenoids Turbine head

Pump is always supported by bearings.

True False

If we reduce the motor rpm in an impeller, cavitation _______

Decreases Increases Same Independent

Vertical centrifugal pumps are also called as ________

Multistage pumps Cantilever pumps Froth pumps Magnetic pumps

Specific speed of a turbine depends upon

Discharge and power

Speed,power and discharge

Speed, power and heat

Speed,discharge and heat

Quiz/Test Summary

Title: Hydraulics and Hydraulic Machinery

Questions: 15

Contributed by:

NEO Fri, May 27, 2022 03:46 PM UTC

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