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