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Ramsey Test Questions & Answers | 100% Correct Answers | Verified | Latest 2024 Version
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Ramsey Test Questions & Answers | 100% Correct Answers | Verified | Latest 2024 Version
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Ramsey Test Questions & Answers | 100% Correct Answers | Verified | Latest 2024 Version What is the usual cause of overheating in high speed, grease -lubricated antifriction bearing - ✔✔Faulty mounting practices How can too much wear in gears be reduced - ✔✔Proper meshed Why are timing belts made with teeth - ✔✔Doesn't slip The insert, or spider, used in flexible jaw couplings is meant to - ✔✔Transmit torque and accept misalignment Clutches on machinery provide for disengaging and may also - ✔✔Interrupt the power supply What determines the selection of gear reducer size - ✔✔Torque and speed why do metal parts seize when there is a lack of lubrication - ✔✔Metal to metal contact. (lube protects the bearing against corrosion) What causes lubrication oil to get milky - ✔✔Mixing incompatible oils, contamination Why are heavy oils used - ✔✔To reduce the friction from heat and wear What is viscosity? - ✔✔The resistance of a liquid to flow Which machine condition can be determined by using oil analysis? - ✔✔Various types of wear and take corrective action before fails Acids that form in lubricants affect performance are a result of - ✔✔Oxygen from the air and high temperatures Shutting fluid discharge of an air operated reciprocating pump will cause the pump to - ✔✔Overstroke What is the pressure on a fluid - ✔✔Measurement of force per unit area on an object in the fluid What can you use to meet peak hydraulic system demands - ✔✔A variable displacement pump Pressure in the hydraulic system can be controlled electrically by the use of - ✔✔Metering the flow of fluid into or out Hydraulic valves are typically adjusted by - ✔✔Flow control valve and adjustment the control Hydraulic reservoir suction lines can be raised for what - ✔✔Create enough vacuum When air is compressed its temperature and....? - ✔✔The pressure and temperature of the air increases The speed of a piston is determined by - ✔✔Crankshaft stoke and the engine RPM Safe operating speed of an air motor is controlled by the - ✔✔Air supply pressure Air line filters and lubricators should be installed at - ✔✔closer where it is going to be used Solenoid valve fails to open, check what? - ✔✔Normally closed (power to open) Centrifugal pumps, cavitation can result in? - ✔✔Pump performance deterioration, mechanical damage, noise and vibrationThe benefits of buying summaries with Stuvia:
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