Test 1 Flashcards

1
Q

What are hydraulics?

A

Power/Force

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2
Q

How do hydraulics create force?

A

Pressure in a non compressible fluid builds up and causes change everywhere

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3
Q

Single action cylinders moves in:

A

One direction

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4
Q

Double action cylinders move in:

A

Both Directions

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5
Q

Check valves do what?

A

Allows pressure to build up or be maintained

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6
Q

Isolation Valve

A

Not a type of valve but a use for a valve

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7
Q

Safety Valve

A

Designed to shut and stay shut and may not be able to open without restarting the whole process.

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8
Q

Bleed Valves

A

Allows a controlled release of pressure

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9
Q

Relief valve

A

Allows an automatic release of pressure

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10
Q

What can scale do to a pipe?

A

Cause hot spots and break it

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11
Q

Pneumatics are what?

A

Equipment that runs on air

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12
Q

How do compressors work?

A

They take air and squish it into smaller spaces

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13
Q

How are compressors different from hydraulics?

A

Compressors struggle to maintain a constant pressure and are more likely to run on a deadband.

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14
Q

Pneumatic actuators do what?

A

Turn energy into compressed air into mechanical motion

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15
Q

Data sheets are what?

A

Important

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16
Q

Consumables are what?

A

Products used in bulk

17
Q

Control circuits

A

System that allows humans to operate

18
Q

Automated circuits

A

A system a computer operates

19
Q

We make decisions through what 4 essential functions?

A
  1. Measure
  2. Compare
  3. Compute
  4. Correct
20
Q

What is a PLC?

A

Programmable logic controller. The brain of the system.

21
Q

Analog signal

A

Continuous signal

22
Q

Digital signal

A

Its either on or off. Contains 0’s and 1’s.