Quiz About Pneumatic Engineering
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Pneumatic Quiz Pneumatic Quiz Pneumatic Quiz
- 1.
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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.
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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.
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- 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.
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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.
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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.
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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.
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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.
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Diaphragm or bellows-type cylinders can have diameters of up to ____ mm.- A.
910
- B.
310
- C.
510
- D.
710
- 20.
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___________ 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.
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____________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.
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_____ 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.
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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
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