HYBN Operators Weekly Test

HYBN Operators Weekly Test

Professional Development

20 Qs

quiz-placeholder

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HYBN Operators Weekly Test

HYBN Operators Weekly Test

Assessment

Quiz

Professional Development

Professional Development

Practice Problem

Hard

Created by

fiona phan

Used 8+ times

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20 questions

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1.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

What are the advantages of centrifugal pump?

narrow range of performance

uniform flow

complex structure

easy to maintain

reliable operation

2.

FILL IN THE BLANK QUESTION

2 mins • 1 pt

The main performance parameters of a centrifugal pumps are?

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

Diagram shows a centrifugal pump. What is no.8 and no. 11?

8 - Pump Inlet Valve

11-

8 - Pump Inlet Valve

11 - Flowmeter

8- Pump Outlet Valve

11-

8 - Pump Outlet Valve

11 - Flowmeter

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

What type of impeller is this?

semi-open impeller

open impeller

vortex impeller

single suction impeller

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the purpose of a sealing ring?

prevent liquid from flowing out of the pump

transmit torque

prevent internal and external leakage of pump

remove frictional heat and prevent build up of impurities

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the accuracy that should not be exceeded in a metering pump?

Less than 0.1%

Less than 1%

Less than 2%

Less than 5%

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

Diagram shows a vacuum ring liquid pump. What is 4?

Gas Inlet port

Gas Outlet port

Impeller

Water Ring

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