Quiz About Pneumatic Engineering

36 Questions

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Quiz About Pneumatic Engineering

Pneumatic Quiz Pneumatic Quiz Pneumatic Quiz


Questions and Answers
  • 1. 
    The ________converts the compressed air energy into mechanical energy in the form of force and linear movement in one direction only.
    • A. 

      Double-acting cylinder

    • B. 

      Piston cylinders

    • C. 

      Single-acting cylinder

    • D. 

      Short-stroke Cylinders

  • 2. 
    Pneumatic __________ convert the energy in the compressed air into force and motion. The pneumatic drive elements can move in a linear, reciprocating or rotating motion.
    • A. 

      Exhaust port.

    • B. 

      Annular area

    • C. 

      Drive elements

    • D. 

      Inlet port

  • 3. 
    The cylinder has two ports - a pressure inlet port and an exhaust port. The ______ (shaped like or forming a ring) of the cylinder is connected to the atmosphere.
    • A. 

      Return spring.

    • B. 

      Cylinder Tube

    • C. 

      Annular area

    • D. 

      Cylinder Cover

  • 4. 
    Types of Single-Acting Cylinders
    • A. 

      Piston cylinders

    • B. 

      Short-stroke Cylinders

  • 5. 
    Typically, the piston can havediameters of as much as ______ mm.
  • 6. 
    • A. 

      Triple-acting cylinders

    • B. 

      Double-acting cylinders

    • C. 

      Single-acting cylinders

    • D. 

      Piston cylinders

  • 7. 
    The compressed air is applied only on the bottom side of the piston that is why the cylinder can move loads or perform mechanical work in a forward motion only and that the effective force is reduced by the __________.
    • A. 

      Exhaust port

    • B. 

      Annular area

    • C. 

      Inlet port

    • D. 

      Return spring

  • 8. 
    Note that the length of stroke is the actual working movement. The ______ enables the cylinder to lift heavy loads. They can also be equipped with an anti-rotation anchor, external guidance and a magnetic ring for triggering non- contact signaling elements.
    • A. 

      Longer stroke

    • B. 

      Shorter stroke

    • C. 

      Middle stroke

    • D. 

      Left stroke

  • 9. 
    Note that a _______ is a metalcylinder that slides up and downinside a tubular housing, receivingpressure from or exerting pressureon a fluid.
  • 10. 
    The working speed of piston is in the range of ____________.
    • A. 

      10 to 100 mm/s

    • B. 

      20 to 200 mm/s

    • C. 

      50 to 500 mm/s

    • D. 

      40 to 400 mm/s

  • 11. 
    Cylinder forces are about __________.
    • A. 

      1 kN

    • B. 

      2 kN

    • C. 

      4 kN

    • D. 

      6 kN

  • 12. 
    Note that ________ is a device or piece of equipment with a compressible chamber with flexible sides that can be expanded to draw air in and compressed to force the air out.
  • 13. 
    They can generate forces of up to 190 kN at pressures of 7 bars.
    • A. 

      Solid-type Cylinders

    • B. 

      Bellows-type Cylinders

    • C. 

      Single-Acting Cylinder

    • D. 

      Piston cylinders

  • 14. 
    When the piston area of the cylinder is connected to the atmosphere, the piston of the single-acting cylinder is pressed by the spring to the ______.
    • A. 

      Cylinder center

    • B. 

      Cylinder down

    • C. 

      Cylinder bottom

    • D. 

      Cylinder upper

  • 15. 
    An alternative construction is a __________ with a spring in the piston area causing the piston to extend. Such pistons are used in the automotive industry and these are mounted in the air brakes for vehicles and trains.
    • A. 

      Single-acting cylinder, with return spring

    • B. 

      Single-acting cylinder, without return spring

    • C. 

      Double-acting cylinder, spring extend

    • D. 

      Single-acting cylinder, spring extend

  • 16. 
    Another special form of single-acting cylinders is ___________ in which the piston’s return stroke is caused by external forces or by its own weight.
    • A. 

      Single-acting cylinder, spring extend

    • B. 

      Single-acting cylinder, without return spring

    • C. 

      Double-acting cylinder, spring extend

    • D. 

      Single-acting cylinder, with return spring

  • 17. 
    _________ are used when short strokes are required together with high forces.
    • A. 

      Short-stroke cylinders

    • B. 

      Piston cylinders

  • 18. 
    The ______ converts the compressed air energy into mechanical energy in the form of of force and linear movement in both directions.
    • A. 

      Single-acting cylinders

    • B. 

      Double-acting cylinders

    • C. 

      Double-acting cylinder, spring extend

    • D. 

      Double-acting cylinder, spring extend

  • 19. 
    Diaphragm or bellows-type cylinders can have diameters of up to ____ mm.
    • A. 

      910

    • B. 

      310

    • C. 

      510

    • D. 

      710

  • 20. 
    ___________ valves are screwed directly into the ports of the directional controlvalves.
    • A. 

      Fixed-set throttles

    • B. 

      Screw-insert throttle

    • C. 

      Cylinder Bottom

  • 21. 
    • A. 

      Piston cylinders

    • B. 

      Short-stroke Cylinders

    • C. 

      Long-stroke Cylinders

    • D. 

      Annular cylinders

  • 22. 
    Stroke lengths are up to 500 mm.The working speed is in the range of 30 to200 mm/s.Cylinder forces are about 40 kN.
    • A. 

      Short-stroke Cylinders

    • B. 

      Piston cylinders

  • 23. 
    The ________ (strong sudden movements) cylinder piston movements depend upon the cylinder diameter and the load fluctuations which the cylinder is subjected to.
  • 24. 
    ____________are connected into the Line as close as possible to the element concerned. Fixed-set throttles and throttle valves are fitted to special-purpose sub- assemblies like pneumatic timers.
    • A. 

      Cylinder Bottom

    • B. 

      Throttle valves

    • C. 

      Fixed-set throttles

  • 25. 
    _____ are members of the flow control family. Fitting an adjustable __________to reduce the cross-sectional area enables the compressed-air flow rate to be adjusted, and with it the working speed.
    • A. 

      Fixed-set throttles

    • B. 

      Return Spring

    • C. 

      Cylinder Bottom

    • D. 

      Throttle valves

  • 26. 
    A _____________ restricts air flow. The air flow going through a throttle valve depends on the opening percentage and the pressure differential between the input and the output of the valve.
    • A. 

      Regulating throttle valve

    • B. 

      Fixed throttle valve

    • C. 

      Adjustable throttle valve

    • D. 

      PNEUMATIC CYLINDERS

  • 27. 
    A ____________ allows air to flow in one direction and seals it off in the opposite direction.
    • A. 

      Adjustable throttle valve

    • B. 

      PNEUMATIC CYLINDERS

    • C. 

      Return valve

    • D. 

      Non-return valve

  • 28. 
    The ___________ are also used for the direct for the direct actuation of single-acting cylinder.
    • A. 

      3/2 directional control valve (DCV)

    • B. 

      3/2 directional control cylinder (DCV)

    • C. 

      5/2 directional control valve (DCV)

    • D. 

      5/2 directional control cylinder (DCV)

  • 29. 
    When this method is employed, the piston of the double-acting cylinder Is virtually clamped between two air cushions. Full pressure is applied at the inlet-air side and the exhaust air is throttled. This leads to uniform cylinder movement.
    • A. 

      INLET-AIR THROTTLING USING METER-IN CIRCUIT

    • B. 

      EXHAUST-AIR THRO1TLING USING METER-OUT CIRCUIT

    • C. 

      MANUALLY OPERATED DIRECTIONAL CONTROL VALVES

  • 30. 
    The ____________ controls or limits the air flow by offering an adjustable restriction. The flow cross-sectional area in the throttle valve is changed by turning the throttling screw to adjust the position of the flow body.
    • A. 

      Cylinder Bottom

    • B. 

      Adjustable throttle valve

    • C. 

      Fixed-set throttles

    • D. 

      Return Spring

  • 31. 
    Basically, the __________ functions the same as the 4/2 version. The only difference being that due to its design as a spool valve, the 5/2 has an additional exhaust port (5).
    • A. 

      1/2 directional control valve

    • B. 

      3/2 directional control valve

    • C. 

      4/2 directional control valve

    • D. 

      5/2 directional control valve

  • 32. 
    The principles of operation of the pneumatically operated ___________ is dependent upon the movement of the spool inside the valve.
    • A. 

      5/2 directional control valve

    • B. 

      3/2 directional control valve

    • C. 

      4/2 directional control valve

  • 33. 
    The _______, operated by pneumatic Impulse, is applied in various practical solutions such as pushing off details, applying tools for performing operations, opening/closing doors and windows, stretch/bend robot/manipulator arms.
    • A. 

      4/2 directional control valve

    • B. 

      3/2 directional control valve

    • C. 

      5/2 directional control valve

  • 34. 
    Another version of the one-way flow-control valve is the _________which can be screwed directly into the cylinder ports.
    • A. 

      Screw-outside version

    • B. 

      Screw-exit version

    • C. 

      Screw-insert version

  • 35. 
    The ______________, manually operated, is used to control the direction of the air flow in a single line of a pneumatic system. They are used to provide input control of power signals given by an operator or by moving mechanisms of the system.
    • A. 

      3/2 directional control valve (DCV)

    • B. 

      3/2 directional control cylinder (DCV)

    • C. 

      5/2 directional control valve (DCV)

    • D. 

      5/2 directional control cylinder (DCV)

  • 36. 
    The position of the valve spool is retained until a _________ is applied to any of the control polls.
    • A. 

      Short pneumatic control signal

    • B. 

      Long pneumatic control signal