WITH ANSWERS
◉ What is increased when balls are added to the bearing housing?
Answer: Load capacity
◉ What is used to attach a grease gun to the Zerk fitting of a bearing
housing? Answer: Coupler
◉ All electric motors require __________ bearings mounted ______ to
the motor. Answer: Two; internally
◉ What should you wear to be safe while working around
mechanical power transmission equipment? Answer: Heavy duty
shoes
◉ A digital indicator's readout shows the location of its __________
relative to the reference position. Answer: Probe
◉ In general, a machine soft foot should be less than? Answer: 0.002
in.
, ◉ What is a unit of measurement of torque? Answer: Newton-
meters
◉ What should you do before working on mechanical power
transmission equipment? Answer: Make sure machine power is off
and its power switch is locked out by a lockout/tagout device
◉ What application uses a ridged couplings? Answer: Coupling that
needs a single continuous assembly
◉ When mechanically installing a bearing on a shaft, the hammer
should never be used directly on the __________. Answer: Bearing
◉ The tension tester typically measures the force required to deflect
the V-belt by how much of the belt span? Answer: 1/64
◉ The three types of shaft-to-adjacent-shaft power transmission are
__________. Answer: Belt drive, chain drive, and gear drive
◉ What two components make up mechanical power? Answer:
Torque multiplied by rotational speed