Q1/ Choose the correct answer:1- A reciprocating pump is also called a --------- displacement pump.a- Positiveb- Negative2- The scientific principle that makes hydraulic systems possible isa- Pascal's principleb- Boyle's lawc- Bernoulli's principle3- A single acting cylinder can be pressurized externally from one directiononlya- Trueb- False4- A -------- restricts air flowa- Throttle valveb- Shuttle valvec- Directional control valve5- What is the principle of operation used in gear pumpa- Two gears rotate in same directionb- Two gears rotate in opposite directionc- None of the above6- Which of the following pump is generally used to pump highly viscousfluida- Centrifugal pumpb- Reciprocating pumpc- Air lift pumpd- Screw pump7- 5/2 way single solenoid valve hasa- 2 ports 2 positionsb- 5 ports 2 positionsc- 2 ports 5 positions8- In a telescopic cylinder, as the number of stages increasea- Diameter f piston rod also increasesb- Diameter of piston rod decreasesc- Diameter of piston rod remains the same9- When is a pressure reducing valve useda- It is used when higher pressure than system pressure is requiredb- It is used when lower pressure than system pressure is requiredc- When absolutely zero pressure is requiredQ2/ Put ( V )in front of the correct phrase and (X )in front of the wrong phrasethen correct it.1- Pneumatic system generates more energy when used in industrialapplications.2- Flow control valve change the direction of oil flow.3- Liner and rotary motion is transmitted by hydraulic actuators.4- Check valve is a type of pressure reducing valve.

A Reciprocating Positive Displacement pump works by the repeated back-and-forth movement…

Answered: Q1/ Choose the correct answer: 1- A…

Q1/ Choose the correct answer: 1- A reciprocating pump is also called a -- a- Positive b- Negative --- displacement pump.

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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Concept explainers

Applied Fluid Mechanics

A fluid is a substance that is continuously deformed by the application of shear stress. The rate of deformation of a fluid depends on its viscosity. The fluid tries to flow when it interacts with some other system.

Question

Q1/ Choose the correct answer:
1- A reciprocating pump is also called a --------- displacement pump.
a- Positive
b- Negative
2- The scientific principle that makes hydraulic systems possible is
a- Pascal's principle
b- Boyle's law
c- Bernoulli's principle
3- A single acting cylinder can be pressurized externally from one direction
only
a- True
b- False
4- A -------- restricts air flow
a- Throttle valve
b- Shuttle valve
c- Directional control valve
5- What is the principle of operation used in gear pump
a- Two gears rotate in same direction
b- Two gears rotate in opposite direction
c- None of the above
6- Which of the following pump is generally used to pump highly viscous
fluid
a- Centrifugal pump
b- Reciprocating pump
c- Air lift pump
d- Screw pump
7- 5/2 way single solenoid valve has
a- 2 ports 2 positions
b- 5 ports 2 positions
c- 2 ports 5 positions
8- In a telescopic cylinder, as the number of stages increase
a- Diameter f piston rod also increases
b- Diameter of piston rod decreases
c- Diameter of piston rod remains the same
9- When is a pressure reducing valve used
a- It is used when higher pressure than system pressure is required
b- It is used when lower pressure than system pressure is required
c- When absolutely zero pressure is required
Q2/ Put ( V )in front of the correct phrase and (X )in front of the wrong phrase
then correct it.
1- Pneumatic system generates more energy when used in industrial
applications.
2- Flow control valve change the direction of oil flow.
3- Liner and rotary motion is transmitted by hydraulic actuators.
4- Check valve is a type of pressure reducing valve.

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