True/False
Indicate whether the
statement is true or false.
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1.
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A three phase, two-pole motor contains eight actual poles.
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2.
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The magnetic field travels through the same number of poles during each complete
cycle.
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3.
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If the winding is such that the series delta gives the low speed and the
parallel wye gives the high speed, the torque will be the same for both speeds.
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Figure 33-7 
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4.
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The circuit shown in the accompanying figure forces the motor to start in high
speed.
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5.
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Three-speed consequent pole motors can be wound to produce constant horsepower,
constant torque, or variable torque.
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Completion
Complete each
statement.
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6.
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Consequent pole motors have the ability to change speed by changing the number
of ____________________.
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7.
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The magnetic field makes one ____________________ of a two-pole motor each
complete cycle.
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8.
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The number of stator poles is changed by redirecting the ____________________
through pairs of poles.
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9.
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Consequent pole motors intended to operate with four speeds use
____________________ reconnectable windings.
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Figure 33-10 
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10.
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The above figure shows a four-speed, two-winding three phase consequent pole
motor with constant ____________________.
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Short Answer
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11.
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What are the two factors that determine the synchronous speed of an AC
motor?
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12.
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Explain how the direction of current flow determines the number of poles.
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13.
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How many windings do consequent pole motors that are intended to operate with
three speeds have?
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14.
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Why are eleven pin control relays used to provide interlock protection?
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15.
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In a circuit for controlling a four-speed, three phase consequent pole motor,
how is any speed selected?
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