True/False
Indicate whether the
statement is true or false.
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1.
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One of the main considerations when installing a machine is the power
source.
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2.
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Manual control may be accomplished by simply connecting a switch in series with
the motor.
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3.
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With automatic control, an operator has to initiate certain actions.
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4.
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High voltage surges are harmless and cannot damage electronic components
connected to the power line.
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5.
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Diodes are used to suppress the voltage spikes produced by coils that operate on
direct current.
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Completion
Complete each
statement.
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6.
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The conductor size, fuse or circuit breaker size, and overload size are
generally determined using the ____________________ Code® and/or local codes.
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7.
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Insurance companies established the ______________________________ organization
in an effort to reduce the number of fires caused by electrical equipment.
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8.
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____________________ control is characterized by the use of push buttons, limit
switches, pressure switches, and other sensing devices to control the operation of a magnetic
contractor or starter.
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9.
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Fuses and circuit breakers are generally employed for ____________________
protection.
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10.
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The current flow through the MOV is called ____________________ current and is
so small that it does not affect the operation of the circuit.
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Short Answer
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11.
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What does Underwriters Laboratories (UL) do?
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12.
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What are manual controllers?
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13.
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What is a wiring diagram?
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14.
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What does a schematic diagram show?
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15.
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What is the difference between jogging and inching?
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