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6 Month 3 > Eaton Ch10 > Flashcards

Eaton Ch10 Flashcards

1
Q

A relief valve is normally______
Open
Closed
Cracked open
Vented

A

Closed 

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2
Q

The point at which a relief valve first opens is called its______ pressure
Vented
Override
Cracking
Adjusted

A

Cracking 

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3
Q

A relief valve limits the_______ pressure in a hydraulic system

Minimum
Maximum
Reversing
Closing

A

Maximum 

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4
Q

The difference in pressure between the points where a relief valve first opens and passes full pump delivery is sometimes called______
Override
Unloading
Retract
Motoring

A

Override 

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5
Q

When the chamber above the balanced piston of a relief valve is open to tank, it is said to be______
Loaded
Vented
Unloaded
Closed

A

Vented 

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6
Q

When a pressure reducing valve is vented it’s outlet pressure is at the______
Maximum pressure
Minimum pressure
Normal pressure
None of the above

A

Minimum pressure

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7
Q

Pressure reducing valves are always drained______
Externally
Internally
In a slow Manner
A and B are correct 

A

Externally

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8
Q

If the vent connection of a relief valve is opened to tank the pump is said to be ______
Tandem
Leaking
Loaded
Unloaded

A

Unloaded 

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9
Q

If operations take place in a certain order, they are done in______
Tandem
Parallel
Sequence
Retract

A

Sequence 

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10
Q

If a sequence valve is installed in a cylinder line, it should contain a______
Flow valve
Ball valve
Check valve
Drain valve

A

Check valve 

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11
Q

A back pressure type valve is normally_______
Closed
Open
An over riding valve
Throttled

A

Open 

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12
Q

When used to support a load, the valve functions as a______
Breaking valve
Counterbalance
Drain valve
Loading valve

A

Counterbalance

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13
Q

If flow from secondary to primary is required, the unloading valve control pressure should be _____ above the spring setting
60 psi
80 psi
125 psi
150 psi

A

150 psi

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14
Q

Pressure in the outlet port of an internally drained sequence valve adds to the____ setting
Cracking
Spring
Lower
Higher

A

Spring

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15
Q

Pressure reducing valve with internal check valve permits______ free flow
Vented
Open
Reverse
Forward

A

Reverse

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16
Q

When the unloading valve is______ operated, the spring force and pressure in the primary ports are independent of each other
Remotely
Directly
Flow
All of the above

A

Remotely

17
Q

A brake valve is used in the_____ line of a hydraulic motor

Intake
Exhaust
Pilot
Secondary

A

Exhaust 

18
Q

A brake valve is used to prevent______
Over speeding
Free flow
Excessive pressure
Both A and C are correct

A

Both A and C are correct

19
Q

When a load is being accelerated, pressure is Maximum at the motor____
Inlet
Brake valve
Outlet
Control

A

Inlet

20
Q

A back pressure valve can also be used as a______ valve
Control
Sequence
Unloading
Pilot

A

Unloading 

6 Month 3 (20 decks)

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