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6 Month 3 > Eaton Ch7 > Flashcards

Eaton Ch7 Flashcards

1
Q

Ram type cylinders are usually returned by______
Revolution
Rotation
Gravity
Flow

A

Gravity

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2
Q

Double-acting cylinders are returned by_______
Revolution
Gravity
hydraulics
Rotation

A

Hydraulics

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3
Q

With a delivery of 3 GPM to the cap end of a 2 inch diameter cylinder, the speed is ______ inches\minute

2207
220.9.
2206
220.6. 

A

220.6

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4
Q

The force exerted by a three-inch diameter ram 2000 PSI is______ pounds
1437
14,136
14,137
14,237

A

14,137

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5
Q

What pressure is developed when exerting a 14,000 pound force over a piston area of seven square inches? ______PSI.
1500
2500
2000
2100

A

2000

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6
Q

The displacement of a hydraulic motor is the amount of fluid in cubic inches to make one_____
Operation
Revolution
Horsepower
Gallon

A

Revolution

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7
Q

Torque rating of hydraulic motors are usually given in pound-inches or pound-feet per ________ PSI

25
50
100
110

A

100 

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8
Q

A winch requires 50 pound-feet maximum torque to operate. What size hydraulic motor is needed if maximum pressure is limited to 1500 psi?______ Pound-inches per 100 psi
40
50
20
70

A

40 

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9
Q

A 20 pound-inch motor operates with a torque load of 500 pound-inches. What is the operating pressure?______PSI
1500
2000
2500
2200

A

2500

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10
Q

Which of the following is not a class of hydraulic motors?
LMPG
HSLT
Torque actuator
LSHT

A

LMPG

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11
Q

In “balanced ” design motors the vanes are held out against the cam ring surface by the use of system______
Rpm
Pressure
Stroke length
Thrust

A

Pressure

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12
Q

In high performance vane motors, coil springs hold the vanes against the ring. The vanes are essentially in hydraulic.______
Rotation
Flow
Balance
Revolution

A

Balance 

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13
Q

Torque is developed in the in-line piston motor through the angular relationship of the Pistons to the_______
Vane
Swash plate
Cam ring
Baffle

A

Swash plate

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14
Q

When the displacement of a variable motor is increased, the torque availability is_______
Decreased
Increased
Stabilized
Not changed

A

Increased


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15
Q

The most efficient hydraulic motor is the______ type
Gear
Vane
Piston
Load

A

Piston 

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16
Q

Motor displacement is varied in response to work load changes by the______ control
Linear
Torque
Swash plate
Compensator

A

Compensator 

17
Q

Devices which usually cannot rotate continuously in one direction are_______
Torque actuators
Variable generators
Torque generators
Both A and C 

A

Both A and C

18
Q

Internal gear motors fall into two categories: direct drive and______
Indirect
Reverse
Orbiting
External

A

Orbiting

19
Q

A hydraulic motor which will not permit continuous rotation in either direction is a _______ motor
Rotating vane
Limited rotation
Reverse rotation
Rotary piston

A

Limited rotation

6 Month 3 (20 decks)

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