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MSSC Maintenance (Bearings and Couplings) Exam
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MSSC Maintenance (Bearings andCouplings) Exam
In a mechanical transmission system, an electric motor is also referred to as a prime
mover.
There are three types of shaft-to-shaft power transmission: chain drive, gear drive,
and belt drive.
Companies often mandate that ______ as part of their shop safety
rules—ANSWER Safety glasses be worn.
Some rules for safe clothing to wear around machinery while it is running include -
Wear high-fitting garments and heavy-duty footwear.
OSHA requires safety glasses to protect your eyes in manufacturing environments.
In addition to dress guidelines, another rule you should observe with machines is
ANSWER. Don't work on wet floors.
In a lockout/tagout system, each person _____ the machine being locked
out—ANSWER Puts his lock on
The appropriate place to lock out an electrical control system is at the disconnect
switch.
ANSWER: Workers should always interrupt electricity at the motor disconnect.
Perform lockout/tagout.
, OSHA recommends that workers inspect and test all equipment, presuming it is
electrified until proven de-energized.
Answer: ____ may eliminate a lockout on the power source of a piece of
mechanical equipment. Only the one who installed the lockout.
Without bearings to hold a shaft in place, weights would produce - ANSWER: All
of the above.
The three types of loads exerted on bearings are radial, thrust, and combination.
All electric motors require ____ bearings positioned ____ to the motor. ANSWER:
Two, internally.
ANSWER: A machine's moving component slides over a(n) ____ bearing's surface
with only a lubricating film between them. Plain
The radial load capacity of a linear bearing grows with ____. A larger amount of
balls.
A(n) bearing contains inner and outer races that allow it to carry larger axial loads
than a typical ball bearing (ANSWER Angular Contact).
ANSWER Angular Contact Bearings are superior at handling heavy axial loads.
A machine shaft and bore should always be examined for out-of-roundness before
completing what task? - ANSWER Pressing the bearing
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