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

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

Elements Of Electromagnetics
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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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.
Transcribed Image Text: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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