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BASIC PNEUMATICS QUESTIONS AND ANSWERS
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BASIC PNEUMATICS QUESTIONS AND ANSWERS
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BASIC PNEUMATICS QUESTIONS AND ANSWERSA piston travels downward with a pressure of 100 PSI, applying a force to the rod end and pressure of 1000 PSI. The rod end must be ______. - answer- a smaller diameter
Basic Pneumatics p. 157
The axial-piston motor transmits force from the piston to the output shaft by means of ...
- answer- a cam plate and gears
Basic Pneumatics p. 155
Maximum power output for a pneumatic motor is obtained at ______ speed and ______
torque. - answer- medium, medium
Basic Pneumatics p. 152
The horsepower of pneumatic motors is the product of ______ and ______. - answer- shaft speed, torque
Basic Pneumatics p. 151
The highest torque a pneumatic motor can exert on a load is its ______ torque. - answer- stalling
Basic Pneumatics p. 151
Checking a control valve to determine if it is capable of handling the air of a cylinder is commonly referred to as calculating the ______. - answer- coefficient capacity
Basic Pneumatics p. 141
Pivoted cylinders that must be free to pivot requires ______ mounting. - answer- trunnion or clevis Basic Pneumatics p. 139
Connection between pneumatic components is made using quick connect fittings that could be what? - answer- Connected and disconnected when they are not under pressure.
Air bearing are fluid power actuators that reduce or eliminate what? - answer- friction
They convert pressure into a dial reading. - answer- pressure gauges
Which gas is commonly used in pneumatics? - answer- Air Which two properties of compressed air make possible smooth acceleration and reversal of direction of mechanical motions? - answer- Compressible and elastic
Relief valves are used to do what? - answer- Limit the maximum pressure in a system.
Accumulators are used to do what? - answer- Provide a short term supply of compressed air to a particular device.
Which of the following components is not part of the Conditioning Unit? - answer- Flow control Valve
What is the purpose of a receiver (air tank) in a pneumatic system? - answer- To accumulate the air to minimize starts and stops of the compressor.
Why is pneumatic systems often preferred to electrical, mechanical or hydraulic systems? - answer- They use an available medium.
What are pneumatic actuators used for? - answer- Convert fluid to mechanical energy.
What does compressors usually pump air into? - answer- Receivers.
What is SCFM? - answer- Air flow rate unit.
What are air compressors used for? - answer- Convert mechanical to pneumatic energy.
Why are air lines usually lubricated? - answer- Reduce internal leaks and wear.
The fluid power devices that convert the energy of a pressurized fluid into mechanical energy to do work are called what? - answer- Actuators
According to the relationship between force, pressure and area, the force may be calculated using what formula? - answer- F=P*A
Fluid pressure gauges commonly measure pressure? - answer- Above atmospheric pressure.
The pressure at sea level is called? - answer- Atmospheric pressure.
The annular area (A sub a) of a cylinder corresponds to? - answer- The face area minus
the rod area.
A 3-way, 2-position directional control value cannot be used to? - answer- Adjust pressure in two branch circuits.
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