WorksheetsPneumatics Controls and Design Seat work
Total questions: 25
Worksheet time: 13mins
What does the term 'PNEUMA' mean in the context of pneumatics?
(a)
What is the advantage of using compressed air as a working medium in pneumatics?
It is expensive
It is easily conveyed in pipelines
It is sensitive to temperature fluctuations
It is not clean
What is the function of an air filter in an air service unit?
To regulate pressure
To provide lubrication
To create an air-cushion
To remove impurities and condensate from compressed air
What is the purpose of a pressure regulator in a pneumatic system?
To maintain a relatively constant operating pressure
To convert kinetic energy into pressure
To reduce noise
To direct flow to various paths
What is the function of a solenoid valve?
To permit flow of air in one direction only
To direct flow to various paths
To regulate pressure
To open and close flow paths
What type of cylinder is ideal for tensioning, ejecting, and compressing?
Pneumatic motors
Rotary vane Cylinder
Single-acting Cylinder
Double-acting Cylinder
What is the main advantage of using a double acting cylinder with air cushioning?
It is explosion proof
It is ideal for tension, ejecting, compressing etc.
It is easily conveyed in pipelines over large distances
It is insensitive to temperature fluctuations
What is the purpose of a check valve in a pneumatic system?
To permit flow of air in one direction only
To direct flow to various paths
To remove impurities and condensate from compressed air
To regulate pressure
What is the function of a compressed air lubricator in a pneumatic system?
To remove impurities and condensate from compressed air
To provide the pneumatic components with sufficient lubrication
To regulate pressure
To direct flow to various paths
What is the function of a rotary vane cylinder in a pneumatic system?
To perform linear motion
To regulate pressure
To perform rotary motion
To direct flow to various paths
What is the function of a double solenoid actuated valve in a pneumatic system?
To regulate pressure
To remove impurities and condensate from compressed air
To direct flow to various paths
To retain the last signal administered to them
What is the purpose of a piston in a single acting cylinder?
To perform rotary motion
To permit flow of air in one direction only
To perform linear motion
To open and close flow paths
What is the function of a rodless cylinder in a pneumatic system?
To perform linear motion
To perform rotary motion
To direct flow to various paths
To regulate pressure
What type of valve has 'memory characteristic' and retains the last switched position even with power removed from both solenoids?
4/2 WAY VALVE
Check Valve
3/2 -way Directional Control Valve
5/2 -way Directional Control Valve, Double Solenoid Actuated
What is the function of a solenoid valve?
To permit flow of air in one direction only
To open and close flow paths
To regulate pressure
To direct flow to various paths
What is the main advantage of using a double acting cylinder with air cushioning?
It is ideal for tensioning, ejecting, compressing etc.
It is explosion proof
It is easily conveyed in pipelines over large distances
It is insensitive to temperature fluctuations
What is the main disadvantage of using compressed air as a working medium in pneumatics?
It is insensitive to temperature fluctuations
It requires good conditioning
It is explosion proof
It is easily conveyed in pipelines over large distances
What is the purpose of a compressed air lubricator in the air service unit?
To remove contaminants and condensate from compressed air
To provide the pneumatic components with sufficient lubrication
To regulate pressure
To direct flow to various paths
What is the function of a 5/3 WAY VALVE?
Open center but with outputs directed to exhaust in mid position
Switching with output 4 and 2, has common exhaust
To adjust flow volume
To permit flow of air in one direction only and shut off the opposite direction
What is the main advantage of using a solenoid valve?
It is electrically controlled
It is easily conveyed in pipelines over large distances
It is insensitive to temperature fluctuations
It is explosion proof
What is the function of a 4/2 WAY VALVE?
To adjust flow volume
To permit flow of air in one direction only and shut off the opposite direction
Switching with output 4 and 2, has common exhaust
Open center but with outputs directed to exhaust in mid position
What is the main advantage of using a solenoid valve with spring return?
It is easily conveyed in pipelines over large distances
It is insensitive to temperature fluctuations
It is explosion proof
It retains the last switched position even with power removed from both solenoids
What is the main disadvantage of using compressed air as a working medium in pneumatics?
It requires good conditioning
It is insensitive to temperature fluctuations
It is explosion proof
It is easily conveyed in pipelines over large distances
What is the main advantage of using a solenoid valve?
It is easily conveyed in pipelines over large distances
It is insensitive to temperature fluctuations
It is explosion proof
It is electrically controlled
What is the main advantage of using a solenoid valve with double solenoid actuation?
It is explosion proof
It is insensitive to temperature fluctuations
It has 'memory characteristic' and retains the last switched position even with power removed from both solenoids
It is easily conveyed in pipelines over large distances
