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Hydraulics Engineering
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Biomedical Engineering
12th
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32 Terms
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1
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A double acting clylinder will extend when oil flows into the ______
Cap end
2
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Which of the following is not considered part of the hydraulic power unit?
Actuator
3
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Fluid power deals with the transmission and control of energy by a pressurized _______
Fluid
4
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The spool of a Directional control valve is shifted to different positions by the _______
Operator
5
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A ______ fitting is used when you want to connect two circuits to a single supply.
Tee
6
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What term is used to describe the maximum possible reading of a pressure gauge?
Range
7
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Quick connect fitting have a \`___________ valve built in
Check
8
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Which of the following is not shown in a hydraulic schematic
Liquid
9
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A directional control valve is used to __________
Change the direction of the fluid
10
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Which of the following is not considered one of the five basic components of a hydraulic system?
Control Device
11
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The most common type of pressure gauge is the__________
Bourdon tube
12
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Another name for a cylinder would be a ________
Actuator
13
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Pressure is equal to force divided by __________
Area
14
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Which one hydraulic component may be shown many times in a schematic without indicating that were are more than one of that component?
Vented reservoir
15
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Which type of flowmeter must be oriented in a vertical postion?
Rotameter
16
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The needle valve adjustment screw has a tapered end to adjust the size of the ________
Orifice
17
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A pump produces ________
Flow
18
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The hydraulic motor converts hydraulic flow into ___________
Rotary shaft speed
19
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Which of the following is not a type of hydraulic piston motror?
A spring landed
20
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Most hydraulic motors are modified designs of ______
pumps
21
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Flow rate is equal to volume divided by _________
Time
22
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The main function of a needle valve is to ____________
Control the speed of an actuator
23
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Which of the following is not a type of fixed displacement pump?
Centrifugal
24
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Pressures are stated as _________
Psi,PSIA,psig
25
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As oil is pumped through a hydraulic system, it progressively ________
Drops in pressure
26
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Flow occurs between two connected points in a hydraulic system when _________
A pressure differential exists
27
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What two values are needed to calculate the theoretical amount of force created by a cylinder?
Pressure and the area of the bore
28
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Pascal’s states that pressure in a confined fluid is equal and acts ________
Perpendicular to all surfaces
29
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Delta P is another name for ________
Pressure differential
30
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The hydraulic lever provides ________
Force multiplication
31
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Pressure is created by the _____
Pump
32
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The rod side area that produces the pull force on a double cylinder is called the ______ area
Annular