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Basic Pneumatic Self Review Questions

Total questions: 30

Worksheet time: 17mins

Name
Class
Date
1.

The power output device of a pneumatic system is known as the __________________

a)

Motor

b)

Actuator

c)

Supply Line

d)

Limit Switch

2.

The pressurized fluid most used in pneumatic systems is _____________________

a)

Oil

b)

Water

c)

Air

d)

Nitrogen

3.

Pressure is a measure of ______________ intensity

a)

Force

b)

Gravity

c)

Volt

d)

Power

4.

The maximum pressure indication on a pressure gauge is called the ______________ of the gauge.

a)

Diameter

b)

Deflection

c)

Range

d)

Circumference

5.

Schematic _________________ are used because they can be drawn easier and faster than pictures to represent pneumatic circuits

a)

Pictures

b)

Symbols

c)

Diagrams

d)

Finger paintings

6.

A pressure regulator is used to ______________ downstream pressure

a)

Increase

b)

Decrease

c)

Control

d)

Improve air quality

7.

A(n) _________________ is a device designed to clean the air before it enters a pneumatic system.

a)

Roomba

b)

Kirby Vacuum

c)

Air Filter

d)

Maid service

8.

In an air filter, the _______________ makes the air spin to throw heavier particles against the sides of the bowl.

a)

Blender motion

b)

Element

c)

Fan blades

d)

Deflector

9.

Air lines should be tied or held down to keep the line from __________________.

a)

Escaping

b)

Sneaking out after midnight

c)

Hurting itself

d)

Whipping

10.

A pressure regulators _____________________ opens and closes to provide the correct pressure downstream by restricting the air flow

a)

Poppet

b)

Spool

c)

Spring valve

d)

Door Flap

11.

A(n) _________ allows you to connect two branches together.

a)

Golf Tee

b)

Elbow

c)

Cross

d)

Tee

12.

The device that keeps the air from escaping from the quick-connect fitting is called a(n) _____________ valve.

a)

Bounced check

b)

Relief

c)

Connection

d)

Check

13.

The number of "Ways" that a DCV has defines the number of _________________ paths for the fluid to travel through the valve.

a)

Flow

b)

Port

c)

Air

d)

Spring

14.

The ______________ is the part of a cylinder on which the fluid exerts its pressure.

a)

Spool

b)

Spring

c)

Rod

d)

Piston

15.

To compress a spring with a k value of 8N/mm, a total distance of 10 mm would take ____________ Newtons force. (k x d = N)

a)

800

b)

0.8

c)

8

d)

80

16.

Using pneumatic leverage, distance is _______________.

a)

Increased

b)

Decreased

c)

Sacrificed

d)

Limited

17.

To increase the force out of an actuator, increase the pressure or the ________________.

a)

Rod size

b)

Piston size

c)

Area

d)

Motor size

18.

Using pneumatic leverage, _____________ is multiplied

a)

Distance

b)

Area

c)

Pressure

d)

Force

19.

The rotameter flow meter is also called a variable ________________ flow meter

a)

Pressure

b)

Volume

c)

Area

d)

Orifice

20.

In a flow control valve, the (a)   holds the poppet against the seat.

21.

The check valve will allow flow in (a)   direction

22.

What is the function of filter

a)

A component that monitors gas passageways in a pneumatic system in order to maintain a consistent pressure level.

b)

should be fitted to reduce pressure fluctuations.

c)

remove the contamination from atmospheric air

d)

reduce the moisture content in air

23.

A pressure regulator is positioned ____ a Air Reservoir

a)

Before

b)

After

24.

The difference between single acting and double acting cylinders is:

a)

Single acting cylinders are smaller than Double acting cylinders

b)

Double acting cylinders have two pistons

c)

Work can be done in two directions in double acting cylinder unlike single acting cylinders.

25.

Atmospheric air is compressed by a ------------

a)

Pump

b)

Compressor

c)

Rotary expander

d)

Balloon

26.

A 3/2 valve has

a)

1.5 ports

b)

3 ports and 2 directions

c)

3 directions and 2 ports

d)

5 ports and 2 directions

27.

Psi stands for pounds per square inch

a)

True

b)

False

28.

The circuit of a pneumatic gripper is shown below. Which of the following statements about the mode of operation are correct? Two answers are correct.

a)

In initial position the gripper is open and the cylinder is fully extended.

b)

As long as solenoid 1M2 is energized, the claw is closed.

c)

Sensor 1B2 must be triggered to detect that the gripper is closed.

d)

Solenoid 1M1 must be energized by the PLC to open the gripper.

e)

The cylinder 1A must extend to close the gripper.

29.

Air is compressible and liquid is incompressible.

a)

True

b)

False

30.

Pressure is measured in what units

a)

Newtons

b)

m/s

c)

Pascals

d)

Moles