Hydraulics & Pneumatics Exam Questions With Verified Answers.

EXAM STUDY MATERIALS July 26, 2024 9:30 AM Pneumatic Maintenance Exam Questions With Verified Answers. Damage to the vanes of an air motor can occur quickly if _____. - answer✔✔Not properly lubricated An optimal air line filter should have no more than a 2 -5 psi _____. - answer✔✔Pressure drop Many lubricators can be identified by _____. - answer✔✔The small sight dome on top The aftercooler is a _____ that cools the air with either water or another stream of air. - answer✔✔Type of heat exchanger The flow tube of an acrylic flow meter can be cleaned with pure_____ and water. - answer✔✔Soap When the compressed air leaves the compres sor, it is very hot. As it flows through the distribution system, the air cools off, and _____. - answer✔✔Water condenses in the system If the compressed air system contains contaminants and are not cleaned to a proper level it could cause _____. - answer✔✔All of the above A dryer in a compressed air system _____. - answer✔✔Lowers the dew point of the air The number 70 stamped on an air filter refers to _____. - answer✔✔The filter's micron rating A common element used in compressed air filters is _____. - answer✔✔Sintered bronze The advantage to the micro -aerosol type lubricator is _____. - answer✔✔Produces smaller size aerosols which can be carried farther downstream In pneumatic systems, free water is collected by water traps located at _____. - answer✔✔Low positions A _____ filter removes water and oil from the air stream by collecting the water and oil into droplets and then draining them off. - answer✔✔Coalescing The procedure for determining the accuracy of a pressure gauge is called _____. - answer✔✔Calibrating To avoid water condensation in a pneumatic system, water is removed from the air so the _____. - answer✔✔Air pressure drops