Ramsey Test| 98 Complete Q’s
with Answers
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 vibration
- Compressor running too hot, due to what? or do what? - -Build up internal
moisture and condensation
- A pilot flame detector can be what? - -If flame is actually lit
- Air cooled condensers generally have? - -Fan, ambient air
- Tool used to measure threads? - -Screw gauge- thread gauge- pitch gauge
- How to put a bearing onto a shaft - -Press fit
- Main purpose of a rectifier is to? - -Convert AC to DC
- Variable frequency drives? And controllers - -A variable frequency drive
control the speed of AC motor by varying the frequency
- Regulation of a power supply refers to the ? - -Output
with Answers
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 vibration
- Compressor running too hot, due to what? or do what? - -Build up internal
moisture and condensation
- A pilot flame detector can be what? - -If flame is actually lit
- Air cooled condensers generally have? - -Fan, ambient air
- Tool used to measure threads? - -Screw gauge- thread gauge- pitch gauge
- How to put a bearing onto a shaft - -Press fit
- Main purpose of a rectifier is to? - -Convert AC to DC
- Variable frequency drives? And controllers - -A variable frequency drive
control the speed of AC motor by varying the frequency
- Regulation of a power supply refers to the ? - -Output
