1.
The ________converts the compressed air energy into mechanical energy in the form of force and linear movement in one direction only.
A. 
B. 
C. 
D. 
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. 
B. 
C. 
D. 
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. 
B. 
C. 
D. 
4.
Types of Single-Acting Cylinders
5.
Typically, the piston can havediameters of as much as ______ mm.
6.
A. 
B. 
C. 
D. 
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. 
B. 
C. 
D. 
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. 
B. 
C. 
D. 
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. 
B. 
C. 
D. 
11.
Cylinder forces are about __________.
A. 
B. 
C. 
D. 
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. 
B. 
C. 
D. 
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. 
B. 
C. 
D. 
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.
18.
The ______ converts the compressed air energy into mechanical energy in the form of of force and linear movement in both directions.
A. 
B. 
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. 
B. 
C. 
D. 
20.
___________ valves are screwed directly into the ports of the directional controlvalves.
21.
A. 
B. 
C. 
D. 
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.
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.
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. 
B. 
C. 
D. 
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. 
C. 
Adjustable throttle valve
D. 
27.
A ____________ allows air to flow in one direction and seals it off in the opposite direction.
A. 
Adjustable throttle valve
B. 
C. 
D. 
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. 
B. 
Adjustable throttle valve
C. 
D. 
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.
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