Ramsey Test Questions and Answers Latest Version
Graded A+
/. What is the usual cause of overheating in high speed, grease-lubricated antifriction
bearing - Answer-Faulty mounting practices
/.How can too much wear in gears be reduced - Answer-Proper meshed
/.Why are timing belts made with teeth - Answer-Doesn't slip
/.The insert, or spider, used in flexible jaw couplings is meant to - Answer-Transmit
torque and accept misalignment
/.Clutches on machinery provide for disengaging and may also - Answer-Interrupt the
power supply
/.What determines the selection of gear reducer size - Answer-Torque and speed
/.why do metal parts seize when there is a lack of lubrication - Answer-Metal to metal
contact. (lube protects the bearing against corrosion)
/.What causes lubrication oil to get milky - Answer-Mixing incompatible oils,
contamination
/.Why are heavy oils used - Answer-To reduce the friction from heat and wear
/.What is viscosity? - Answer-The resistance of a liquid to flow
/.Which machine condition can be determined by using oil analysis? - Answer-Various
types of wear and take corrective action before fails
/.Acids that form in lubricants affect performance are a result of - Answer-Oxygen from
the air and high temperatures
/.Shutting fluid discharge of an air operated reciprocating pump will cause the pump to -
Answer-Overstroke
/.What is the pressure on a fluid - Answer-Measurement of force per unit area on an
object in the fluid
/.What can you use to meet peak hydraulic system demands - Answer-A variable
displacement pump
, /.Pressure in the hydraulic system can be controlled electrically by the use of - Answer-
Metering the flow of fluid into or out
/.Hydraulic valves are typically adjusted by - Answer-Flow control valve and adjustment
the control
/.Hydraulic reservoir suction lines can be raised for what - Answer-Create enough
vacuum
/.When air is compressed its temperature and....? - Answer-The pressure and
temperature of the air increases
/.The speed of a piston is determined by - Answer-Crankshaft stoke and the engine
RPM
/.Safe operating speed of an air motor is controlled by the - Answer-Air supply pressure
/.Air line filters and lubricators should be installed at - Answer-closer where it is going to
be used
/.Solenoid valve fails to open, check what? - Answer-Normally closed (power to open)
/.Centrifugal pumps, cavitation can result in? - Answer-Pump performance deterioration,
mechanical damage, noise and vibration
/.Compressor running too hot, due to what? or do what? - Answer-Build up internal
moisture and condensation
/.A pilot flame detector can be what? - Answer-If flame is actually lit
/.Air cooled condensers generally have? - Answer-Fan, ambient air
/.Tool used to measure threads? - Answer-Screw gauge- thread gauge- pitch gauge
/.How to put a bearing onto a shaft - Answer-Press fit
/.Main purpose of a rectifier is to? - Answer-Convert AC to DC
/.Variable frequency drives? And controllers - Answer-A variable frequency drive control
the speed of AC motor by varying the frequency
/.Regulation of a power supply refers to the ? - Answer-Output
/.Control systems have what four basic components? - Answer-Controller, Amplifier,
Actuator, and feedback
Graded A+
/. What is the usual cause of overheating in high speed, grease-lubricated antifriction
bearing - Answer-Faulty mounting practices
/.How can too much wear in gears be reduced - Answer-Proper meshed
/.Why are timing belts made with teeth - Answer-Doesn't slip
/.The insert, or spider, used in flexible jaw couplings is meant to - Answer-Transmit
torque and accept misalignment
/.Clutches on machinery provide for disengaging and may also - Answer-Interrupt the
power supply
/.What determines the selection of gear reducer size - Answer-Torque and speed
/.why do metal parts seize when there is a lack of lubrication - Answer-Metal to metal
contact. (lube protects the bearing against corrosion)
/.What causes lubrication oil to get milky - Answer-Mixing incompatible oils,
contamination
/.Why are heavy oils used - Answer-To reduce the friction from heat and wear
/.What is viscosity? - Answer-The resistance of a liquid to flow
/.Which machine condition can be determined by using oil analysis? - Answer-Various
types of wear and take corrective action before fails
/.Acids that form in lubricants affect performance are a result of - Answer-Oxygen from
the air and high temperatures
/.Shutting fluid discharge of an air operated reciprocating pump will cause the pump to -
Answer-Overstroke
/.What is the pressure on a fluid - Answer-Measurement of force per unit area on an
object in the fluid
/.What can you use to meet peak hydraulic system demands - Answer-A variable
displacement pump
, /.Pressure in the hydraulic system can be controlled electrically by the use of - Answer-
Metering the flow of fluid into or out
/.Hydraulic valves are typically adjusted by - Answer-Flow control valve and adjustment
the control
/.Hydraulic reservoir suction lines can be raised for what - Answer-Create enough
vacuum
/.When air is compressed its temperature and....? - Answer-The pressure and
temperature of the air increases
/.The speed of a piston is determined by - Answer-Crankshaft stoke and the engine
RPM
/.Safe operating speed of an air motor is controlled by the - Answer-Air supply pressure
/.Air line filters and lubricators should be installed at - Answer-closer where it is going to
be used
/.Solenoid valve fails to open, check what? - Answer-Normally closed (power to open)
/.Centrifugal pumps, cavitation can result in? - Answer-Pump performance deterioration,
mechanical damage, noise and vibration
/.Compressor running too hot, due to what? or do what? - Answer-Build up internal
moisture and condensation
/.A pilot flame detector can be what? - Answer-If flame is actually lit
/.Air cooled condensers generally have? - Answer-Fan, ambient air
/.Tool used to measure threads? - Answer-Screw gauge- thread gauge- pitch gauge
/.How to put a bearing onto a shaft - Answer-Press fit
/.Main purpose of a rectifier is to? - Answer-Convert AC to DC
/.Variable frequency drives? And controllers - Answer-A variable frequency drive control
the speed of AC motor by varying the frequency
/.Regulation of a power supply refers to the ? - Answer-Output
/.Control systems have what four basic components? - Answer-Controller, Amplifier,
Actuator, and feedback
