Quiz About Pneumatic Engineering

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  • 1/34 Questions

    Note that a _______ is a metal cylinder that slides up and down inside a tubular housing, receiving pressure from or exerting pressure on a fluid.

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About This Quiz

Here, take a look at this amazing 'Pneumatic Engineering Quiz' that we've created below. Do you know what Pneumatic engineering is? It is a branch of engineering that makes use of gas or pressurized air. The tools and machinery made by this engineering method are used in the engineering, manufacturing, and construction industries. How much further do you know about this topic? Let us see. Take this test and see how much you can score.

Quiz About Pneumatic Engineering - Quiz

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  • 2. 
    The ________converts the compressed air energy into mechanical energy in the form of force and linear movement in one direction only. - ProProfs

    The ________converts the compressed air energy into mechanical energy in the form of force and linear movement in one direction only.

    • Double-acting cylinder

    • Piston cylinders

    • Single-acting cylinder

    • Short-stroke Cylinders

    Correct Answer
    A. Single-acting cylinder
    Explanation
    A single-acting cylinder is a type of cylinder that converts compressed air energy into mechanical energy in the form of force and linear movement in one direction only. Unlike double-acting cylinders, which can generate force in both directions, single-acting cylinders can only generate force in one direction. This is achieved through the use of a piston and a one-way valve, allowing the compressed air to push the piston in one direction and perform work.

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  • 3. 

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

    • Short pneumatic control signal

    • Long pneumatic control signal

    Correct Answer
    A. Short pneumatic control signal
    Explanation
    The position of the valve spool is retained until a short pneumatic control signal is applied to any of the control polls. This means that the valve spool will remain in its current position until a short burst of pneumatic control signal is received. This allows for precise control of the valve's position and ensures that it stays in the desired state until a new signal is applied. A long pneumatic control signal would not be suitable for this purpose as it could cause the valve spool to remain in an undesired position for an extended period of time.

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  • 4. 

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

    • Single-acting cylinders

    • Double-acting cylinders

    • Double-acting cylinder, spring extend

    • Double-acting cylinder, spring extend

    Correct Answer
    A. Double-acting cylinders
    Explanation
    Double-acting cylinders are able to convert compressed air energy into mechanical energy in the form of force and linear movement in both directions. Unlike single-acting cylinders, which can only generate force in one direction, double-acting cylinders have two ports that allow for air to be supplied to both sides of the piston. This enables the cylinder to exert force and move in both the extend and retract directions, making it more versatile and efficient in various applications.

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  • 5. 

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

    • Short-stroke cylinders

    • Piston cylinders

    Correct Answer
    A. Short-stroke cylinders
    Explanation
    Short-stroke cylinders are used when short strokes are required together with high forces. These cylinders have a compact design and are capable of delivering high forces in a short distance. They are commonly used in applications where space is limited, but high force is necessary, such as in robotics, automation, and assembly lines. Short-stroke cylinders are designed to provide precise and powerful movements in a small range, making them ideal for applications that require quick and accurate positioning.

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  • 6. 

    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.

    • Cylinder Bottom

    • Adjustable throttle valve

    • Fixed-set throttles

    • Return Spring

    Correct Answer
    A. Adjustable throttle valve
    Explanation
    The adjustable throttle valve controls or limits the air flow by offering an adjustable restriction. It does this by changing the flow cross-sectional area in the throttle valve through the turning of the throttling screw, which adjusts the position of the flow body.

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  • 7. 

    Typically, the piston can have diameters of as much as ______ mm.

    Correct Answer
    100
    Explanation
    The given answer states that the piston can have a diameter of up to 100 mm. This suggests that the maximum diameter of the piston is 100 mm, indicating that it can be as large as this size.

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  • 8. 
    ___________ valves are screwed directly into the ports of the directional control valves. - ProProfs

    ___________ valves are screwed directly into the ports of the directional control valves.

    • Fixed-set throttles

    • Screw-insert throttle

    • Cylinder Bottom

    Correct Answer
    A. Screw-insert throttle
    Explanation
    Screw-insert throttles are valves that are screwed directly into the ports of the directional control valves. This means that they can be easily inserted and secured into the ports, providing a reliable and efficient way to control the flow of fluid in a hydraulic system. Unlike fixed-set throttles, which have a predetermined flow rate, screw-insert throttles can be adjusted to control the flow rate according to specific requirements. The option "Cylinder Bottom" is unrelated to the question and can be disregarded.

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  • 9. 
    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. - ProProfs

    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.

    • Single-acting cylinder, spring extend

    • Single-acting cylinder, without return spring

    • Double-acting cylinder, spring extend

    • Single-acting cylinder, with return spring

    Correct Answer
    A. Single-acting cylinder, without return spring
    Explanation
    In a single-acting cylinder, the piston's return stroke is typically caused by external forces or by its own weight. This means that there is no need for a return spring to assist in the piston's retraction. Therefore, the correct answer is "single-acting cylinder, without return spring."

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  • 10. 

    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.

    • Annular area

    • Drive elements

    • Inlet port

    • Exhaust port.

    Correct Answer
    A. Drive elements
    Explanation
    The correct answer is "drive elements." Pneumatic drive elements are components that convert the energy in compressed air into force and motion. These elements can move in a linear, reciprocating, or rotating motion, allowing them to perform various tasks in pneumatic systems.

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  • 11. 

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

    • Adjustable throttle valve

    • PNEUMATIC CYLINDERS

    • Return valve

    • Non-return valve

    Correct Answer
    A. Non-return valve
    Explanation
    A non-return valve is designed to allow air or fluid to flow in one direction and prevent it from flowing back in the opposite direction. This is achieved through a mechanism that opens the valve when the pressure on one side is higher than the other, allowing the flow, and closes it when the pressure on the opposite side becomes higher, sealing off the flow. This ensures that the air or fluid can only move in the desired direction, making it an effective component for controlling the flow in pneumatic or hydraulic systems.

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  • 12. 

    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.

    • Longer stroke

    • Shorter stroke

    • Middle stroke

    • Left stroke

    Correct Answer
    A. Shorter stroke
    Explanation
    A shorter stroke enables the cylinder to lift heavy loads because it reduces the distance the cylinder needs to travel. This means that the force exerted by the cylinder is concentrated over a smaller distance, resulting in a higher lifting capacity. Additionally, the shorter stroke allows for more stability and control when lifting heavy loads. The other options, longer stroke, middle stroke, and left stroke, would not be as effective in lifting heavy loads.

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  • 13. 

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

    • Screw-outside version

    • Screw-exit version

    • Screw-insert version

    Correct Answer
    A. Screw-insert version
    Explanation
    The correct answer is "screw-insert version". This is because the sentence mentions that the valve can be screwed directly into the cylinder ports, indicating that it requires insertion into the ports rather than exiting or being outside of them.

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  • 14. 

    ____________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.

    • Cylinder Bottom

    • Throttle valves

    • Fixed-set throttles

    Correct Answer
    A. Throttle valves
    Explanation
    Throttle valves are connected into the line as close as possible to the element concerned. This means that throttle valves are installed near the specific element that they are intended to control or regulate. Throttle valves are typically used in special-purpose sub-assemblies like pneumatic timers, where they play a role in controlling the flow of fluid or gas.

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  • 15. 

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

    • 3/2 directional control valve (DCV)

    • 3/2 directional control cylinder (DCV)

    • 5/2 directional control valve (DCV)

    • 5/2 directional control cylinder (DCV)

    Correct Answer
    A. 3/2 directional control valve (DCV)
  • 16. 

    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 ______.

    • Cylinder center

    • Cylinder down

    • Cylinder bottom

    • Cylinder upper

    Correct Answer
    A. Cylinder bottom
    Explanation
    When the piston area of the cylinder is connected to the atmosphere, the pressure inside the cylinder is equalized with the atmospheric pressure. In a single-acting cylinder, the piston is pressed by a spring towards the side where the pressure is lower, which in this case is the cylinder bottom. Thus, the piston of the single-acting cylinder is pressed by the spring to the cylinder bottom.

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  • 17. 

    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.

    • INLET-AIR THROTTLING USING METER-IN CIRCUIT

    • EXHAUST-AIR THRO1TLING USING METER-OUT CIRCUIT

    • MANUALLY OPERATED DIRECTIONAL CONTROL VALVES

    Correct Answer
    A. EXHAUST-AIR THRO1TLING USING METER-OUT CIRCUIT
    Explanation
    The correct answer is "EXHAUST-AIR THROTTLING USING METER-OUT CIRCUIT." This method involves throttling the exhaust air in a double-acting cylinder using a meter-out circuit. By applying full pressure at the inlet-air side and controlling the exhaust air flow, the piston is virtually clamped between two air cushions, resulting in uniform cylinder movement.

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  • 18. 

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

    • 5/2 directional control valve

    • 3/2 directional control valve

    • 4/2 directional control valve

    Correct Answer
    A. 5/2 directional control valve
    Explanation
    The principles of operation of the pneumatically operated 5/2 directional control valve are dependent upon the movement of the spool inside the valve. In a 5/2 directional control valve, there are five ports and two positions for the spool. The spool can be moved to either position by applying or releasing pneumatic pressure. This movement of the spool controls the flow of air or fluid through the valve, allowing it to switch between different directions and control the operation of pneumatic systems.

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  • 19. 
    They can generate forces of up to 190 kN at pressures of 7 bars. - ProProfs

    They can generate forces of up to 190 kN at pressures of 7 bars.

    • Solid-type Cylinders

    • Bellows-type Cylinders

    • Single-Acting Cylinder

    • Piston cylinders

    Correct Answer
    A. Bellows-type Cylinders
    Explanation
    Bellows-type cylinders are able to generate forces of up to 190 kN at pressures of 7 bars. This type of cylinder uses a flexible bellows to generate force, allowing for a larger force output compared to other types of cylinders. The bellows design allows for a larger surface area to be exposed to the pressure, resulting in a greater force being generated. Additionally, the flexibility of the bellows allows for a larger stroke length, further increasing the potential force output.

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  • 20. 

    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).

    • 1/2 directional control valve

    • 3/2 directional control valve

    • 4/2 directional control valve

    • 5/2 directional control valve

    Correct Answer
    A. 5/2 directional control valve
    Explanation
    The 5/2 directional control valve functions the same as the 4/2 version, but it has an additional exhaust port (5) due to its design as a spool valve. This means that the 5/2 valve has five ports - two for the input and output flow, and three for exhaust. The additional exhaust port allows for more flexibility in controlling the flow of fluid in a pneumatic system.

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  • 21. 

    Cylinder forces are about __________.

    • 1 kN

    • 2 kN

    • 4 kN

    • 6 kN

    Correct Answer
    A. 4 kN
    Explanation
    The correct answer is 4 kN because the question is asking about the forces associated with cylinders. The unit "kN" stands for kilonewtons, which is a unit of force. Therefore, the answer of 4 kN indicates that the forces involved with cylinders are approximately 4 kilonewtons.

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  • 22. 

    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.

    • 3/2 directional control valve (DCV)

    • 3/2 directional control cylinder (DCV)

    • 5/2 directional control valve (DCV)

    • 5/2 directional control cylinder (DCV)

    Correct Answer
    A. 3/2 directional control valve (DCV)
    Explanation
    A 3/2 directional control valve (DCV) is a manually operated valve that is used to control the direction of the air flow in a single line of a pneumatic system. It is used to provide input control of power signals given by an operator or by moving mechanisms of the system.

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  • 23. 

    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 __________.

    • Exhaust port

    • Annular area

    • Inlet port

    • Return spring

    Correct Answer
    A. Return spring
    Explanation
    The compressed air is applied only on the bottom side of the piston, which means that it pushes the piston upwards. However, in order for the piston to move in a forward motion, there needs to be a force acting in the opposite direction. This force is provided by the return spring, which pushes the piston back down after the compressed air is released. The return spring helps to counterbalance the force of the compressed air and allows the cylinder to move loads or perform mechanical work in a forward motion.

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  • 24. 
    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. - ProProfs

    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.

    Correct Answer
    bellows
    Diaphragm
    Explanation
    A bellows is a device with a compressible chamber that has flexible sides. It can be expanded to draw air in and compressed to force the air out. Similarly, a diaphragm also has flexible sides and can be used to create pressure changes. However, the term "bellows" specifically refers to a device with a compressible chamber, while "diaphragm" is a more general term that can refer to various types of flexible membranes. Therefore, the correct answer is bellows.

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  • 25. 

    The ________ (strong sudden movements) cylinder piston movements depend upon the cylinder diameter and the load fluctuations which the cylinder is subjected to.

    Correct Answer
    jerking
    Explanation
    The term "jerking" refers to strong sudden movements. In the context of the question, it is stating that the cylinder piston movements, which can be described as jerking, depend on the cylinder diameter and the load fluctuations. This means that the intensity and frequency of the sudden movements of the cylinder piston are influenced by the size of the cylinder and the changes in the load that the cylinder is experiencing.

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  • 26. 
    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. - ProProfs

    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.

    • Return spring.

    • Cylinder Tube

    • Annular area

    • Cylinder Cover

    Correct Answer
    A. Annular area
    Explanation
    The annular area of the cylinder is connected to the atmosphere. The annular area refers to the space between the cylinder tube and the cylinder cover, which is shaped like or forming a ring. This area allows for the release of pressure from the cylinder to the atmosphere. The return spring, cylinder tube, and cylinder cover are not connected to the atmosphere in the same way as the annular area.

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  • 27. 

    The working speed of piston is in the range of ____________.

    • 10 to 100 mm/s

    • 20 to 200 mm/s

    • 50 to 500 mm/s

    • 40 to 400 mm/s

    Correct Answer
    A. 50 to 500 mm/s
    Explanation
    The working speed of a piston is typically in the range of 50 to 500 mm/s. This range is based on the average speed at which pistons move in various applications. It is important for the piston to move at a certain speed to ensure efficient and effective operation. Speeds below or above this range may result in performance issues or damage to the piston and the equipment it is a part of.

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  • 28. 

    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.

    • 4/2 directional control valve

    • 3/2 directional control valve

    • 5/2 directional control valve

    Correct Answer
    A. 5/2 directional control valve
    Explanation
    The 5/2 directional control valve is the correct answer because it is operated by pneumatic impulse and is used in various practical solutions such as pushing off details, applying tools for performing operations, opening/closing doors and windows, and stretching/bending robot/manipulator arms.

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  • 29. 

    ______ are used in the assembling and packing automated lines to move, lift, feed, eject, press or push objects or to clamp parts. Practically, they are suitable for oil- free operation.

    • Triple-acting cylinders

    • Double-acting cylinders

    • Single-acting cylinders

    • Piston cylinders

    Correct Answer
    A. Single-acting cylinders
    Explanation
    Single-acting cylinders are used in the assembling and packing automated lines to perform various tasks such as moving, lifting, feeding, ejecting, pressing, pushing objects, or clamping parts. These cylinders are suitable for oil-free operation, making them practical and efficient in industrial applications. Unlike double-acting cylinders that use air pressure to both extend and retract the piston, single-acting cylinders use air pressure to extend the piston and rely on external forces or springs to retract it. This design allows for simpler construction and lower maintenance requirements.

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  • 30. 
    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. - ProProfs

    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.

    • Single-acting cylinder, with return spring

    • Single-acting cylinder, without return spring

    • Double-acting cylinder, spring extend

    • Single-acting cylinder, spring extend

    Correct Answer
    A. Single-acting cylinder, spring extend
    Explanation
    A single-acting cylinder with a spring in the piston area causing the piston to extend is the correct answer. This type of cylinder is commonly used in the automotive industry and is mounted in the air brakes for vehicles and trains. The spring in the piston area provides the necessary force to extend the piston when needed.

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  • 31. 
    _____ 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. - ProProfs

    _____ 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.

    • Fixed-set throttles

    • Return Spring

    • Cylinder Bottom

    • Throttle valves

    Correct Answer(s)
    A. Fixed-set throttles
    A. Throttle valves
    Explanation
    Fixed-set throttles and throttle valves are both members of the flow control family. Throttle valves can be adjusted by fitting an adjustable device to reduce the cross-sectional area, which allows for the adjustment of the compressed-air flow rate and the working speed.

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  • 32. 
    Diaphragm or bellows-type cylinders can have diameters of up to ____ mm. - ProProfs

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

    • 910

    • 310

    • 510

    • 710

    Correct Answer
    A. 710
    Explanation
    Diaphragm or bellows-type cylinders are designed to have flexible walls that can expand and contract. This flexibility allows them to accommodate changes in pressure and volume. The given answer of 710 mm suggests that diaphragm or bellows-type cylinders can have a maximum diameter of 710 mm.

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  • 33. 

    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.

    • Regulating throttle valve

    • Fixed throttle valve

    • Adjustable throttle valve

    • PNEUMATIC CYLINDERS

    Correct Answer
    A. Fixed throttle valve
    Explanation
    A fixed throttle valve restricts air flow. Unlike an adjustable throttle valve, which allows for varying degrees of restriction, a fixed throttle valve has a set opening size that cannot be changed. The air flow through the valve is determined by the pressure differential between the input and output, with a fixed throttle valve providing a consistent level of restriction regardless of the opening percentage.

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  • 34. 

    Types of Double acting cylinders

    • Piston cylinders

    • Short-stroke Cylinders

    • Long-stroke Cylinders

    • Annular cylinders

    Correct Answer(s)
    A. Piston cylinders
    A. Short-stroke Cylinders
    Explanation
    The correct answer is "Piston cylinders, Short-stroke Cylinders." The explanation for this answer is that piston cylinders are a type of double-acting cylinder where a piston moves back and forth within a cylinder to create linear motion. Short-stroke cylinders, on the other hand, are double-acting cylinders that have a shorter stroke length, which means they can generate higher forces in a shorter amount of time. Therefore, both piston cylinders and short-stroke cylinders are types of double-acting cylinders.

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  • Mar 22, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Jan 31, 2010
    Quiz Created by
    Marktired
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