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- 1. Multiple ChoiceDCV stands forDirectional control valvesDirect control valves
- 2. Multiple ChoiceHow are the directional control valves classified?On the basis of number of portsOn the basis of number of positionBasis of number of ports and position
- 3. Multiple ChoiceIn a 3/2 way directional control valve, Number 2 representsPositionPortBoth Position and port
- 4. Multiple ChoiceIn a 4/3 way DCV, Number 4 representsPortsPositionBoth Port and Position
- 5. Multiple Choice
2/3 directional control valve4/3 directional control valve3/2 directional control valve3/4 directional control valve - 6. Multiple Choice
The difference between single acting and double acting cylinders is:
Single acting cylinders are smaller than Double acting cylinders
Double acting cylinders have two pistons
Work can be done in two directions in double acting cylinder unlike single acting cylinders.
- 7. Multiple Choice
This schematic diagram is called -----
3/2 normally Closed valve
3/2 normally Open valve
Pilot Valve
- 8. Multiple Choice
Atmospheric air is compressed by a ------------
Pump
Compressor
Rotary expander
Balloon
- 9. Multiple Choice
Why is a pressure regulator used in air service unit?
to store air
to lubricate air
to clean air
none of the above
- 10. Multiple Choice
A 3/2 valve has
1.5 ports
3 ports and 2 positions
3 directions and 2 ports
5 ports and 2 positions
- 11. Multiple Choice
Psi stands for pounds per square inch
True
False
- 12. Multiple Choice
A double acting cylinder has
has only one port
has a return spring
has no return spring
has two return springs
- 13. Multiple Choice
Air filter is used for
adjusting air pressure
removing dust particles from the air
lubricating the air
compressing the air
- 14. Multiple Choice
Which of these is a single acting actuator?
- 15. Multiple Choice
Which statement about a single-acting cylinder is correct?
The retraction of the piston is usually achieved by a spring.
The piston speeds in extension and retraction can be set.
Both piston sides will alternately be pressurized with compressed air.
Work can be conducted during extension and retraction of the piston.
It has a larger air consumption than a double-acting cylinder.
- 16. Multiple Choice
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.
- 17. Multiple Choice
Using the circuit below, if valve 1V2 is clogged, what will happen?+
The cylinder will extend and retract.
The cylinder will extend but not retract.
The cylinder will retract but not extend.
The cylinder will neither retract nor extend.
Cylinder 1A can be damaged.
- 18. Multiple Choice
What does this symbol represent?
Pressure Gauge
Bi-Directional Pneumatic Motor
Pressure Gauge w/Pilot
Uni-Directional Pneumatic Motor
- 19. Multiple Choice
In a pneumatic system, starting at the air source, what is the correct order of components?
Cut-Off Valve, Filter, Regulator, Manifold, Gauge
Cut-Off Valve, Filter, Regulator, Gauge, Manifold
Filter, Regulator, Gauge, Cut-Off Valve, Manifold
Filter, Cut-Off Valve, Regulator, Gauge, Manifold
- 20. Multiple Choice
What is this component?
Pressure Gauge
Relief Valve
Uni-Directional Motor
Other
- 21. Multiple Choice
What is this component?
4/2 DCV
2/4 DCV
8/2 DCV
Other
- 22. Multiple Choice
What is this component?
Air Filter
Water Filter
Air Filter w/Water drain
Other
- Answer choicesTagsAnswer choicesTags