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WorksheetsL2 C4 PNEUMATIC SYSTEM
Total questions: 40
Worksheet time: 26mins
What is pneumatic system?
A system that uses compressed air to transmit and control energy to perform useful work
A system that uses compressed air to control energy to perform useful work
A system that uses air to transmit and control energy to perform useful work
Which is the correct statement about the pressure developed in the air compressor?
The pressure generated is lower than atmosphere pressure.
The pressure generated is depending on the temperature during the compression process
The air from the atmosphere is reduced in volume by compression, thus increasing its pressure.
Pneumatic sytem is using ________ as a working medium.
Oil
Compressed air
Water
Pneumatic system is preferred in food industry because ______
the cost is low
it is using air as a medium which is available everywhere
it is using unlubricated air which is clean
Picture below shows the ISO standard symbols for _______
Flow control valve
Directional control valve
Pressure control valve
Why compressed air requires good preparation?
So that pneumatic system is clean
To protect the operator from dirt and dust
To maximize performance and extend the life of the components doing the work in a pneumatic system
Name the component that is used to transform the potential energy of the compressed air into mechanical work.
Actuator / cylinder
Directional Control Valve
Compressor
Symbol shown in figure below is a combination of ______________
Air filter, regulator
Air filter, regulator, check valve
Regulator, lubricator
Air filter, regulator, lubricator
Which of the following is the function of directional control valve, DCV?
control flow of the air
control the direction of the air
control the speed of the air
control the pressure of the air
Name the component shown in the figure above.
one way flow control valve
flow control valve
shuttle valve
AND valve
What is the name of the component shown the figure above?
3/2 way single button DCV
3/2 way NC pushbutton DCV with spring return
3/2 way NO pushbutton DCV with spring return
3/2 way double pilot with spring return DCV
What is the name of this component?
5/2 way double pilot
4/2 way double pilot DCV with spring return
5/2 way single pilot DCV with spring return
4/2 way single pilot DCV with spring return
What is the name of the component shown in the figure above?
5/3 way hand lever valve with closed mid position
4/3 way hand lever valve with open mid position
4/3 way hand lever valve with closed mid position
5/3 way hand lever valve with closed mid position
What is the component in the figure?
non return valve
spring valve
check valve
filter
What is the name of the component in the figure?
Drain
Filter
Cooler
Heat exchanger
How many control position does this valve has?
5
2
3
4
How many port does this valve has?
5
2
3
4
What are the main components of a pneumatic system?
air compressor, air reservoir, pneumatic cylinder, directional control valves, air hoses
hydraulic cylinder, air hoses, pressure gauge, solenoid valves
piston pump, air hoses, pressure regulator, check valves
electric motor, air hoses, pressure switch, flow control valves
Explain the difference between a single-acting and double-acting pneumatic actuator.
Double-acting actuators are slower than single-acting actuators.
In a single-acting actuator, air pressure is applied to one side of the piston, while in a double-acting actuator, air pressure is applied to both sides of the piston.
In a single-acting actuator, air pressure is applied to both sides of the piston.
Single-acting actuators are more energy-efficient than double-acting actuators.
How does a pneumatic control circuit work?
A pneumatic control circuit works by relying on gravitational forces to control devices.
A pneumatic control circuit works by using compressed air to control the operation of various pneumatic devices such as cylinders, valves, and actuators.
A pneumatic control circuit works by using hydraulic fluid to control devices.
A pneumatic control circuit works by utilizing electromagnetic fields to operate devices.
Provide an example of a pneumatic application in the manufacturing industry.
Pneumatic drills for construction purposes in the manufacturing industry.
Pneumatic cylinders used to automate robotic arm movement in assembly lines.
Pneumatic tubes for transporting raw materials in manufacturing plants.
Pneumatic pumps for agricultural applications in the manufacturing sector.
What is the purpose of a pneumatic cylinder in a pneumatic system?
To convert compressed air energy into mechanical motion
To cool down the system
To provide lighting
To generate electricity
Compare and contrast pneumatic and hydraulic actuators.
Pneumatic actuators use compressed air, hydraulic actuators use pressurized fluid.
Pneumatic actuators use hydraulic fluid, hydraulic actuators use compressed air.
Pneumatic actuators use pressurized fluid, hydraulic actuators use compressed air.
Pneumatic actuators use electricity, hydraulic actuators use compressed air.
How can pneumatic actuators be classified based on their motion?
Fast or Slow
Linear or Rotary
Horizontal or Vertical
Clockwise or Counterclockwise
What is electro-pneumatic system ?
Pneumatic is a system that is worked using the air pressure or air flow
pneumatic is a system that is worked using fluid
pneumatic is a system that is worked using the air pressure or air flow but
controlled using electrical devices
Pneumatic is a system that is worked using the air pressure or air flow but
controlled using chemical fluid
The electro pneumatic system is normally consists of
DC power supply
Solenoid valve
Hydraulic pump
Relay
Figure shown the electro-pneumatics circuit to be operated. And to be able to extend the piston rod of a cylinder , if only :-
Push button S1 is not pressed, the solenoid valve switches to the actuated position. The piston rod extend.
At least one of the two push buttons is pressed, the solenoid valve switches to the actuated position. The piston rod advances.
Push button S2 is pressed, the solenoid valve remains in the normal position. The piston rod is retracted.
Both push buttons S1 and S2 must be pressed simultaneously, the solenoid valve switches to the actuated position. The piston rod advances.
Which of the figure is solenoid valve ?
Which one of the symbols refer to 3/2 way solenoid valve ?
Which of the following electrical diagram could operate the system in this figure ?
What is name of this symbol ?
3/2 way solenoid valve (Normally closed)
3/2 way solenoid valve (Normally open)
3/2 way valve (Normally closed)
3/2 way valve (Normally open)
What is name of figure shown ?
Relay
Indicator light
Flow control
Electrical limit switch
Which of the following diagram is direct actuation ?
What is type of this cylinder
Double acting cylinder
Spring return cylinder
Single acting cylinder
5/2 way double solenoid
A double acting cylinder has
has only one port
has a return spring
has no return spring
has two return springs
A pneumatic valve is defined as a “5/3-valve”. What do the numbers 5/3 mean in this definition?
The valve has a port for the exhaust.
The valve has 5 switching positions and 3 ports.
The valve has a neutral position and 4 other switching positions.
The valve has 5 ports and 3 switching positions.
The valve has 5 ports for work conductions and a neutral position.
Which of the following is the function of directional control valve?
control flow of the air
control the direction of the air
control the pressure of the air
control the speed of the air
How many control position does this valve has?
2
3
4
5
How many port does this valve has?
2
3
4
5
A pneumatic valve is defined as a “5/3-valve”. What do the numbers 5/3 mean in this definition?
The valve has a port for the exhaust.
The valve has 5 switching positions and 3 ports.
The valve has a neutral position and 4 other switching positions.
The valve has 5 ports and 3 switching positions.
The valve has 5 ports for work conductions and a neutral position.
