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Int Pneumatics LAP 2- Air Logic

Authored by Shannon Honeycutt

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Professional Development

Used 14+ times

Int Pneumatics LAP 2- Air Logic
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8 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

For shifting, externally air piloted pneumatic DCVs use:

Remote air pressure

Solenoids

Levers

Manual overrides

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In an air logic sequence circuit, the ________________ valves acts as a limit switch.

Cam

Shuttle

Unloading

Counterbalance

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Shuttle valves are used in air logic circuits to _________________

Provide OR logic

Latch in spring offset externally piloted DCV’s

Provide an output when either of two input signals are applied

All of the answers are correct

None of the answers are correct

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

An advantage of air logic over electrical controls is that it ______________

Is safe in places where electrical systems could cause fire or explosion

Is less expensive for four or more relays

Has a faster signal

All of the answers are correct

None of the answers are correct

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

To unlatch a pneumatic seal-in circuit, air logic circuits _____________-

Use a push button valve

Shut off the pneumatic supply

Vent the air pilot of the DCV with the cam valve

Use a shuttle valve

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A shuttle valve exhausts an air pilot of a DCV when _____________

One input is less than the other input

Both inputs are pressurized

Both inputs are vented

None of the answers are correct

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Air logic is popular in the food processing industry because ________________-

The exhaust air can be used to eliminate odors

Of the moisture present during cleanup

It is less expensive than a PLC when more than four relays are needed

It is cleaner than electricity

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