Test Your knowledge on Pumps – Online Quiz

Pumps are the important equipment in Chemical Process Industries. Centrifugal and Positive Displacement pumps are widely used in Chemical Industry for variety of application. This online test module on Pumps will help you to enrich your knowledge about Selection, Application and Operating knowledge on Pumps.

Its time to take pump quiz to test your knowledge on pumps now.

API Standard for "Centrifugal Pumps for Petroleum, Heavy Duty Chemical and Gas Industry Services" is

API 674

API 617

API 610

API 618

NPSH Stands for

Negative potential solids handling

Net pressure suction head

Net positive suction head

Normal pump suction horsepower

Priming operation is required for

Centrifugal Pump

Reciprocating Pump

Gear Pump

Diaphragm Pump

Gear Pump is used for

High Flow Application

Slurry Pumping

High Viscous Application

High Pressure Application

Plunger Pump is used for

High Flow Application

Slurry Pumping

High Viscous Application

High Pressure Application

Diaphragm Pump is used for

High Flow Application

Slurry Pumping

High Viscous Application

High Pressure Application

Need for Relief valve in Reciprocating Pump Discharge is to

Control Discharge Pressure

Protect the Pump from Excess Pressure

Reduce the Discharge Pressure

Regulate the Discharge Flow

In this type of Impeller the fluid leaves perpendicular to the pump shaft center line giving high head and low flow rate

Radial Flow

Axial Flow

Mixed Flow

None of the above

Specific Speed of the Pump is Higher in

Radial Flow

Axial Flow

Mixed Flow

None of the above

10.

According to Centrifugal Pump Affinity Laws - Flow

Does not Change with respect to Speed

Changes Directly proportional to the Square of the change in Speed

Changes directly proportional to the Cube of the change in Speed

Changes Directly to the change in Speed

11.

Minimum Thermal Flow in Centrifugal Pump is

Point at which highest possible efficiency is achieved

Flow at which the Power consumption of the Pump is Minimum

Operating Point of the Pump

The lowest flow at which the pump can operate without its operation being impaired by the temperature rise o f the pumped liquid

12.

To avoid Cavitation of the pump

Net Positive Suction Head Available must be Less than the Net Positive Suction Head Required

Net Positive Suction Head Available must be equal to the Net Positive Suction Head Required

Net Positive Suction Head Available must be greater than the Net Positive Suction Head Required

None of the above

13.

In a Centrifugal Pump, Head curve

Will fall for increased flow rates

Starts from zero at zero flow and goes like a trajectory having a Best Efficiency point and then starts falling for increased flow rates

is Simple straight line. Rises with the flow

None of these

14.

Increase in Viscosity of the fluid in Centrifugal Pump

Increases the Efficiency

Decreases the Efficiency

Does not affects the Efficiency

None of the above

15.

With Increase in Operating Speed, Centrifugal Pumps NPSH requirement

Increases

Decreases

Remains Unaltered

Can either increase or decrease depending on other parameters

16.

Draining of Shallow pits is done using Sump pump which is a .........

Plunger Pump

Single Stage Vertical Pump

Multi Stage Centrifugal Pump

Peristaltic Pump

17.

The capacity of the Centrifugal Pump is increased by increasing the

Impeller Diameter

Speed

Number of pumps and joining them in Parallel

All of the Above

18.

Pump used for Pumping of Shear sensitive materials is

Plunger Pump

Centrifugal Pump

Progressive cavity pump

Vacuum Pumps

19.

For Pumping Liquids operating near to their vapor pressure (Eg: Condensate Extraction Pumps in Power Plants ) ......... pump is used.

Vertical Pump

Piston Pump

Diaphragm Pump

Centrifugal Pump

20.

Most commonly used pump for Boiler feed water pumping application is

Single Stage Centrifugal Pump

Vertical Pump

Multi Stage Centrifugal Pump

Plunger Pump

21.

Pump which is employed for High Viscous Fuel oil Transfer Application is......

Gear Pump

Plunger Pump

Centrifugal Pump

Vertical Pump

22.

For pulsation free and precise dispersion of fluids for lubrication applications ....... is installed in the discharge of the lube oil pumps

Accumulator

Relief Valve

Restriction Orifice

None of these

23.

Liquid evaporates when Suction Pressure is ........ Vapor pressure of the liquid at pumping temperature.

Greater than

Less than

Equal to

None of these

24.

Centrifugal Pump Maintains Constant ...... even the density of the pumping liquid changes.

Head

Pressure

Flow

All of the Above

25.

Integrally geared pumps are used for ......... application

Low Head and High flow

High Head and Low flow

High Head and High Flow

Low Head and Low Flow

26.

In a Rotary Lobe pump two rotors mounted on different shaft will rotate in ....... direction

Same

Opposite

27.

For Positive Displacement at Highest RPM .......... is used

Plunger Pump

Piston Pump

Screw Pump

Diaphragm Pump

28.

Rotary Pumps can maintain Higher Volumetric Efficiency at lower operating speeds when pumping ......... liquids

High Viscous

Less Viscous

29.

Commonly used pump for Metering pumps is .......

Gear Pump

Centrifugal Pump

Piston Pump

None of the above

30.

Purpose of Foot Valve....

Installed at Suction side of suction lift pump to avoid flow reversal

Installed at Discharge side to avoid flow reversal

Installed to Prevent entry of foreign body to pump through suction pipe

Both (a) and (c)

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