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Int. Hydraulics Mod 3

Authored by Shannon Honeycutt

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Professional Development

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Int. Hydraulics Mod 3
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6 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Multiple pressure relief valve operation ______________ (Page 73)

Allow venting

Allows operating the circuit at two different pressures

Saves power

All of the answers are correct

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Unloading a pump can be done using a ___________ (Page 69)

Direct-Acting relief

Tandem Center DCV

Float center DCV

Pressure-compensated flow control valve

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The ________________ of a pilot operated relief valve can be used to change the pressure setting of the relief valve from a remote location. (Page 68)

Spool

Vent port

Spring

Poppet

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Remote operation of a pilot operated valve _______________ (Page 68)

Allows the relief to operate at two pressure levels

Requires use of a small DCV

Allows the machine operator to easily change the pressure settings

None of the answers are correct.

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

When the needle valve is completely closed, pressure rises at the relief valve inlet, increasing the _____________ across the relief spool (Page 65)

Volume

Spring Force

Pressure Differential

Time

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The advantage of a pilot-operated relief valve over a direct-acting relief valve is ________ (Page 60)

Shorter Pressure Span

Lower Cost

Less leakage

Less parts

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