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Pneumatic Systems Quiz

Total questions: 60

Worksheet time: 30mins

Name
Class
Date
1.

What is a pneumatic system?

a)

Uses electricity to transmit power

b)

Uses compressed air to control and transmit energy

c)

Uses hydraulic oil for movement

d)

Uses magnets for actuation

2.

What component compresses atmospheric air to create compressed air?

a)

Actuator

b)

Air receiver

c)

Compressor

d)

Sensor

3.

What is the main function of an air receiver tank?

a)

To lubricate air

b)

To store compressed air

c)

To filter contaminants

d)

To cool the compressor

4.

Which component controls the direction and flow of compressed air?

a)

Control valve

b)

Actuator

c)

Sensor

d)

Filter

5.

A pneumatic actuator converts compressed air into what?

a)

Electrical signal

b)

Mechanical motion

c)

Heat energy

d)

Fluid movement

6.

What type of motion does a pneumatic cylinder typically produce?

a)

Linear motion

b)

Rotational motion only

c)

Vibrational motion

d)

Circular motion

7.

Which of the following is NOT an advantage of a pneumatic system?

a)

Simple design

b)

High durability

c)

Expensive operation

d)

Environmentally friendly

8.

What does a filter do in a pneumatic system?

a)

Stores air

b)

Removes impurities and moisture

c)

Increases air pressure

d)

Converts air pressure to motion

9.

What is the purpose of the regulator in a pneumatic system?

a)

Reduce the pressure

b)

Increase pressure

c)

Store compressed air

d)

Cool compressed air

10.

The pressure relief valve is used for:

a)

Storing air

b)

Releasing excess pressure

c)

Filtering dust

d)

Measuring pressure

11.

A controller in a pneumatic system is like the ______.

a)

Eyes

b)

Brain

c)

Hands

d)

Legs

12.

Sensors in a pneumatic system provide:

a)

Mechanical force

b)

Compressed air storage

c)

System feedback

d)

Air lubrication

13.

Tubes and pipes in a pneumatic system act as:

a)

Brains

b)

Highways for air

c)

Storage tanks

d)

Sensors

14.

A pneumatic control valve is similar to a faucet because it:

a)

Stores liquid

b)

Changes color

c)

Controls flow

d)

Produces electrical signals

15.

A cooler in a pneumatic system:

a)

Heats air

b)

Lowers air temperature

c)

Increases air pressure

d)

Filters dust

16.

What does the separator remove?

a)

Moisture

b)

Lubrication

c)

Direction of flow

d)

Stores air

17.

“Pneuma” in Greek means:

a)

Fire

b)

Water

c)

Wind or breath

d)

Earth

18.

Which component decides actuator movement?

a)

Regulator

b)

PLC / Logic controller

c)

Air receiver

d)

Filter

19.

Which is an actuator?

a)

Pressure gauge

b)

Pneumatic cylinder

c)

Filter regulator

d)

Control valve

20.

What ensures air is clean before entering the system?

a)

Sensor

b)

Separator

c)

Air filter

d)

Cylinder

21.

What does an electro-hydraulic system combine?

a)

Air and electricity

b)

Electricity and hydraulics

c)

Water and hydraulics

d)

Electronics and pneumatics

22.

Main role of a hydraulic pump?

a)

Store oil

b)

Convert mechanical to hydraulic energy

c)

Clean fluid

d)

Release pressure

23.

Hydraulic actuators convert hydraulic energy into:

a)

Heat

b)

Electrical energy

c)

Mechanical energy

d)

Light

24.

Example of a hydraulic actuator:

a)

Solenoid valve

b)

Hydraulic cylinder

c)

Pressure gauge

d)

Filter

25.

Directional control valves:

a)

Monitor pressure

b)

Store fluid

c)

Direct fluid flow

d)

Remove contaminants

26.

PLCs in electro-hydraulics act as:

a)

Actuators

b)

Controllers

c)

Reservoirs

d)

Pumps

27.

The hydraulic reservoir:

a)

Increases pressure

b)

Stores hydraulic fluid

c)

Generates motion

d)

Filters contaminants

28.

Why does the reservoir help with cooling?

a)

Filters oil

b)

Dissipates heat

c)

Increases temperature

d)

Blocks contaminants

29.

Filters in hydraulics:

a)

Increase pressure

b)

Reduce temperature

c)

Remove contaminants

d)

Control direction

30.

Contaminated hydraulic oil may cause:

a)

Faster operation

b)

Damage/wear

c)

Pressure increase

d)

No effect

31.

Pressure relief valves:

a)

Filter oil

b)

Release excess pressure

c)

Add fluid

d)

Stop movement

32.

Hoses and tubing carry:

a)

Electrical signals

b)

Hydraulic fluid

c)

Air pressure

d)

Water

33.

Sensors monitor:

a)

Voltage

b)

Pressure, temperature, flow

c)

Oil color

d)

Water contamination

34.

Which receives inputs and controls components?

a)

Reservoir

b)

Filter

c)

PLC

d)

Hose

35.

A hydraulic motor creates:

a)

Rotational motion

b)

Linear motion

c)

Vibrational motion

d)

Magnetic motion

36.

Directional control valves respond to:

a)

Filters

b)

Hoses

c)

Sensors or PLCs

d)

Reservoirs

37.

Importance of pressure relief valve:

a)

Increase flow

b)

Prevent overpressure

c)

Store oil

d)

Measure temperature

38.

PLCs use what energy?

a)

Hydraulic

b)

Electrical

c)

Mechanical

d)

Solar

39.

Hoses/tubing are similar to:

a)

Filters

b)

Electrical wires

c)

Pipes that transport fluid

d)

Actuators

40.

Sensors improve efficiency by providing:

a)

Heat

b)

Storage

c)

Feedback

d)

Electrical power

41.

"Pneuma" means:

a)

Fire

b)

Water

c)

Wind or breath

d)

Light

42.

Pneumatic systems use:

a)

Hydraulic oil

b)

Compressed air

c)

Electric current

d)

Steam

43.

An advantage of pneumatics:

a)

High operating cost

b)

Low durability

c)

Simple design and reliable

d)

Highly toxic fluid

44.

Component that generates compressed air:

a)

Regulator

b)

Actuator

c)

Compressor

d)

Cooler

45.

Air receiver tank:

a)

Heats air

b)

Stores compressed air

c)

Creates electrical signals

d)

Removes contaminants

46.

Control valves regulate:

a)

Stored air

b)

Lubrication

c)

Air flow direction

d)

Pressure measurement

47.

Pneumatic cylinders produce:

a)

Rotational motion

b)

Linear motion

c)

Circular motion

d)

Vibrational motion

48.

Converts compressed air to mechanical work:

a)

Sensor

b)

Actuator

c)

Filter

d)

Cooler

49.

Sensors measure:

a)

Oil level

b)

Water content

c)

Pressure, flow, position

d)

Resistance

50.

Air filter removes:

a)

Electricity

b)

Impurities and moisture

c)

Heat

d)

Metal

51.

Regulator ensures pressure:

a)

Always maximum

b)

Within range

c)

Converted to electricity

d)

Stored in tank

52.

Air lines and tubing:

a)

Generate air

b)

Store reserves

c)

Transport compressed air

d)

Convert air to heat

53.

Main purpose of relief valve:

a)

Increase pressure

b)

Release excess pressure

c)

Cool air

d)

Store air

54.

PLCs in pneumatics:

a)

Manual operation

b)

Automate and sequence the system

c)

Store compressed air

d)

Measure temperature

55.

Cooler:

a)

Actuator

b)

Lowers air temperature

c)

Filter

d)

Separator

56.

Separator removes:

a)

Dust

b)

Heat

c)

Water vapor

d)

Oil

57.

Pneumatics are good for harsh environments because:

a)

Expensive materials

b)

High adaptability & reliability

c)

High maintenance

d)

Needs chemicals

58.

Pneumatic control valves can be operated:

a)

Only manually

b)

Only electrically

c)

Manually or electrically

d)

Only by heat

59.

Pressure drop in air tank means:

a)

Stable storage

b)

Decreasing air supply

c)

System overheating

d)

Filter full

60.

Pneumatics are environmentally friendly because:

a)

Uses non-toxic compressed air

b)

Burns fuel cleanly

c)

Uses recycled oil

d)

No need for filters

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