Title: VB780-AA01AEN-E1 - Pneumatic Power Systems Quiz
Course: 14/FA Heavy Equipment A/C Systems (DESL-1670-01)

The post-quiz for VB780-AA01AEN-E1 - Pneumatic Power Systems.

Q: What fluid is most commonly used in pneumatics?
- Air
- Oxygen
- Water
- Oil
A: Air
If wrong: Review Objective 1 - Define Pneumatics and Give an Application.

Q: The control devices used in pneumatics are called
- compressors.
- actuators.
- valves.
- conductors.
A: valves.
If wrong: Review Objective 2 - Describe the Functions of Basic Components of a Pneumatic System.

Q: Pressure is a measure of
- distance.
- volume.
- time.
- force intensity.
A: force intensity.
If wrong: Review Objective 3 - Define Pneumatic Pressure and Give Its Units of Measurement.

Q: What is the reading on the pressure gauge?
- 300psi
- 320psi
- 330psi
- 350psi
A: 320psi
If wrong: Review Objective 4 - Describe How to Read a Pressure Gauge.

Q: This is used on a pneumatic schematic to show that two crossing lines are connected.
- A Circle.
- A Triangle.
- A Dot.
- An Arrow.
A: A Dot.
If wrong: Review Objective 5 - Describe the Function of a Pneumatic Schematic.

Q: Which of the following is not a pneumatic safety rule?
- Do not point compressed air at eyes.
- Use low pressure when cleaning with air.
- Use any container for compressed air.
- Use safety glasses.
A: Use any container for compressed air.
If wrong: Review Objective 6 - Explain Six Pneumatic Safety Rules.

Q: A regulator is used in pneumatics to
- remove dirt from the air.
- shut-off the compressor.
- connect three branch circuits to a supply.
- provide a constant pressure to the circuit.
A: provide a constant pressure to the circuit.
If wrong: Review Objective 7 - Describe the Function of a Pressure Regulator Valve and Give an Application.

Q: The poppet of a pressure regulator is opened by the
- upstream pressure.
- downstream pressure.
- adjustment spring.
- poppet spring.
A: adjustment spring.
If wrong: Review Objective 8 - Describe the Operation of a Pressure Regulator and Give Its Schematic Symbol.

Q: Filters should be used on all pneumatic systems because atmospheric air contains
- Carbon
- Lead
- Dust
- Viton
A: Dust
If wrong: Review Objective 9 - Describe the Function of an Air Filter.

Q: Smaller dirt particles are removed from the air by the filter's
- deflector.
- baffle.
- element.
- bowl.
A: element.
If wrong: Review Objective 10 - Describe the Operation of an Air Filter and Give Its Schematic Symbol.

Q: Industry uses quick connect fittings when
- ever possible.
- low cost is desired.
- the equipment is used at high altitudes.
- there is a frequent need to connect and disconnect a hose.
A: there is a frequent need to connect and disconnect a hose.
If wrong: Review Objective 11 - Describe the Function of a Pneumatic Quick-Connect Fitting and Give Its Schematic Symbol.

Q: This fitting is to connect two branch circuits to a single supply line
- Elbow
- Tee
- Male connector
- Plug
A: Tee
If wrong: Review Objective 12 - Describe the Function of a Tee and a Cross and Give Their Schematic Symbols.

Q: What pneumatic component provides straight line motion?
- Motor
- DCV
- Cylinder
- Muffler
A: Cylinder
If wrong: Review Objective 13 - Describe the Function of a Pneumatic Cylinder and Give an Application.

Q: This assembly moves inside the barrel-shaped body of a cylinder
- Piston/Rod
- Poppet/Spring
- Element
- Vane
A: Piston/Rod
If wrong: Review Objective 14 - Describe the Operation of a Double-Acting Pneumatic Cylinder and Give Its Schematic Symbol.

Q: DCV stands for
- Digital Control Variable.
- Dynamic Cost Variable.
- directional control valve.
- Directional Control Vane.
A: directional control valve.
If wrong: Review Objective 15 - Describe the Function of a 4-Way, 3-Position Pneumatic DCV and Give an Application.

Q: The 3-position, 5-way DCV is held in the mid-position by the
- operator.
- spool.
- body.
- springs.
A: springs.
If wrong: Review Objective 16 - Describe the Operation of a 4-Way, 3-Position Pneumatic DCV and Give Its Schematic Symbol.

Q: Which of the following is not used to classify DCVs?
- Number of Ways
- Number of Spools
- Operator Type
- Number of Positions
A: Number of Spools
If wrong: Review Objective 17 - Describe How DCVs Are Classified.

Q: Which of the following is a true statement about DCV schematics?
- DCV schematics show only the default position of the DCV.
- DCV schematics never show how the DCV is operated.
- DCV schematics show all positions of the DCV.
- Blocked paths are omitted from DCV schematics.
A: DCV schematics show all positions of the DCV.
If wrong: Review Objective 18 - Describe the Function of a DCV Schematic.