A burn or pungent odor of oil indicates
excessive temperature
A Chain should be replaced when its length becomes ______longer than the original
... [Show More] length.
3 percent
A common sign of a misaligned coupling is _____________.
excessive vibration
A multimeter is a multipurpose devise that can measure
voltage, current, and resistance
A power diagram is used in addition to a ladder diagram to determine_________.
All of these (How the input functions on the machine, The sequence of operations, How the output functions on the machine)
A power tool has the ground prong broken off of the plug on the power cord. What should be done?
Remove the power tool from service
A shaft coupling may be out of round if dial indicator shows _____________.
any movement
A sight glass in a reservoir usually indicates the ______ of fluid.
level
A tool should be sharpened
When an unacceptable surface finish is present
A viscos meter is a device used for measuring the viscosity of an oil and is generally _______ accurate.
95%-99%
A well designed workstation places tools and equipment where they can be
available with minimum stress
A workstation should be designed to minimize motions that can
cause repetitive/ stress injuries
All documentation of preventive maintenance should be kept
in a designated, safe and secure location
An electrical diagram that arranges wires of a circuit into order rows is called a(n) _____________.
ladder diagram
An employee come to work on a rainy day and finds water dripping on tools in their workstation. What should the employee do first?
report the situation to the supervisor
Because dial indicators are fairly delicate, they should _________ during adjustment of the motor position.
be removed
Before adjusting motor position during a shaft alignment always make sure to remove the _____________.
dial indicator
Both analog and digital voltmeters measure
Potential difference
Circuit testers determine if ______ electricity is present.
AC
Daily maintenance involves daily records because
Recurring events can be analyzed to troubleshoot problems Records indicate how long a machine will run without lubrication
Devises called ____________ often serve as the brains of the automated machine.
relays
Documentation that should be kept regarding a specific piece of equipment includes
maintenance log
Feeler gauge, rulers, height gauges and dial indicators are commonly used for which task?
alignment of industrial machines
For purposes of an oil analysis, one important category of information will be the
Oil viscosity
Gas cylinders need to be chained securely to keep them
from falling or tipping over
Heavy axial loads are better handled by ________?
angular contact bearings
High temperature can _____________ of a bearing.
limit life
Housekeeping inspections and audits should include
Unbiased auditors or inspectors
How is a cam likely to be mounted on a shaft?
welded
How many extension cords are permitted to run across the floor of a workstation?
0
If a company does follow-up work after a PM that is considered ________maintenance.
reactive
If a machine is expected to have downtime for several shifts, the appropriate communication between shifts for Lockout/Tagout procedures is
verify energy state on machine, then change locks
If a motor starts blowing fuses or tripping thermals, the most likely cause is
An overload motor
If a technician has unwired a motor from a disconnect and the circuit breaker still trips, the next logical step is to ______ and see if the breaker trips again.
replace the circuit breaker [Show Less]