True/False
Indicate whether the
statement is true or false.
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1.
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Torque is a measure of the turning effort caused by a force acting on a part
that rotates.
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2.
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A non-servo electric slide typicall uses hard stops and magnetic reed switches
for positioning.
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3.
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A typical non-servo electric slide is driven by a motor with reversible motor
starter, which includes a thermal overload to protect the motor if the clutch is misadjusted or
faulty.
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Multiple Choice
Identify the
choice that best completes the statement or answers the question.
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4.
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A non-servo electric slide typically uses _________ at the BOT and WOT positions
to indicate to the PLC that the carriage is at one of the hard stops.
a. | magnet reed switches | c. | inductive sensors | b. | proximity switches | d. | limit switches |
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5.
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The spindle of a screw torque module can be driven by ________________.
a. | an electric motor | c. | pneumatics | b. | hydraulics | d. | all of the
above |
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6.
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One advantage of a DC motor is that its ____________ can easily be
varied.
a. | speed | c. | current | b. | torque | d. | resistence |
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7.
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A ___________ is a mechanical device that uses mechanical, magnetic, hydraulic,
pneumatic, or friction connections to engage or disengage two rotating members.
a. | motor | c. | fastener | b. | clutch | d. | tool |
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8.
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The setting at which a motor starter overload’s contacts will open is
called the ________.
a. | open setting | c. | trip point | b. | open point | d. | overload
setting |
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9.
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A typical screw torque module includes a DC screw motor and a pneumatic slide
with a gripper, which also includes a ___________ to indicate the gripper is closed.
a. | limit switch | c. | fiber optic sensor | b. | inductive sensor | d. | magnet reed
switch |
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10.
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An automated torquing system is used to apply consistent _________ to fasteners
on an automated assembly line.
a. | torque | c. | number of turns | b. | pressure | d. | none of the
above |
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11.
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Selecting ___________ causes the PLC tmove the machine’s actuators and
program logic to some initial or starting condition.
a. | home | c. | initialize | b. | return | d. | reset |
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