Pneumatics Test Exam Questions With Verified Answers.
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Course
Pneumatic
Institution
Pneumatic
Pneumatics Test Exam Questions With
Verified Answers.
The first factor contributing to the quality of compressed air that can be produced is the condition
of the blank at the system air intake. - answeratmospheric air
Name five materials that may be used to make the element in a dry filter for ...
EXAM STUDY MATERIALS July 26, 2024 9:30 AM Pneumatics Test Exam Questions With Verified Answers. The first factor contributing to the quality of compressed air that can be produced is the condition of the blank at the system air intake. - answer✔✔atmospheric air Name five materials that may be used to make the element in a dry filter for use in pneuma tic systems. - answer✔✔a. Paper b. Plastic c. Cloth d. Ceramic e. metal Name two things that occur when warm, humid, high pressure air cools in the distribution lines of a pneumatic system. - answer✔✔a. The pressure of the compressed air drops according to the general gas law. b. If the temperature reduces to the dew point liquid water can form in the distribution lines. The blank is the temperature at which water vapor in the air begins to condense to form liquid water. - answer✔✔Dew point Name five places where liquid water may form in the pneumatic system. - answer✔✔a. Distribution lines b. Intercooler c. Moisture separator d. Receiver e. aftercooler In addition to air storage, the receiver dampens BLANK caused by compressor operation. - answer✔✔air pulsa tions The BLANK compressed -air-distribution system distributes air from a single location to all workstations in a facility. - answer✔✔centralized grid EXAM STUDY MATERIALS July 26, 2024 9:30 AM Which design of air distribution system is generally considered to provide maximum airflow with a minimu m of flow resistance? - answer✔✔Loop system List the three key variables that make the application of a simple formula for the calculation of distribution line sizes impractical. - answer✔✔a. Consumption varies considerably during operation b. The line ser ves several stations, c. The different stations all intermittently use actuators. Identify the two factors that are critical to selecting the actual sizes of the lines used in an air distribution system. - answer✔✔a. The total air consumption of all actuat ors b. Pressure drop caused by the lines and fittings. What can be used to supply compressed air to a section of the distribution system that contains equipment using a large volume of air on an intermittent basis without increasing the size of the system? - answer✔✔An auxiliary air receiver can be used to provide extra air pressure for high occasional use components. Name the two ways in which a two -stage filter traps and removes unwanted particles. - answer✔✔a. Centrifugal force b. Porous materials Why is it necessary to use a pressure regulator and what can this cause. - answer✔✔The pressure regulator promotes consistent operating pressure for the tools and circuits powered by the station. It also maintains the desired system output pressure. What i s a disadvantage of the direct -operated pressure regulator and what can this cause. - answer✔✔It provides pressure control, but directly exposes he diaphragm to system airflow. This exposure subject the diaphragm to any foreign materials in the air, which may shorten the life of the component. Direct exposure also effects regulator accuracy and sensitivity. The pressure setting of regulators using a flexible diaphragm is set by controlling the force BLANK applied to the diaphragm. - answer✔✔(either spring o r screw) What is the advantage of the relieving -type pressure regulator? - answer✔✔It acts as a small scale relief valve to prevent pressures higher than the regulator pressure setting. Prevents over pressure from damaging actuators. The force produced by the pilot -chamber air pressure replaces the force generated by the BLANK of the basic regulator design. - answer✔✔diaphragm control spring In typical pneumatic system lubricators, oil is atomized by adding oil to an airstream through an BLANK orifice. - answer✔✔oil-drip
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