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WorksheetsGenerator and Electrical Systems Quiz
Total questions: 15
Worksheet time: 8mins
What is one rotation of the generator referred to as?
Frequency
Cycle
Hertz
Sine Wave
How many times does a generator rotate in one second?
Cycle
Hertz
Frequency
Polarity
What law explains how passing a magnet near a conductor produces a current?
Law of Gravity
Law of Charges
Law of Motion
Law of Thermodynamics
What is one factor that the strength of a generated voltage depends on?
The color of the wire
The number of turns in the coil of wire
The temperature of the wire
The length of the wire
What device measures magnetic field intensity in utility companies?
Voltmeter
Ammeter
Gauss meter
Ohmmeter
What can be said about current in series circuits?
Current varies at different points in the circuit.
Current is the same at any point in the circuit.
Current is zero at all points in the circuit.
Current is highest at the source.
What results if the conductive path in a circuit is broken?
A short circuit.
An open circuit.
A parallel circuit.
A series circuit.
What happens if the load is bypassed in a circuit?
An open circuit occurs.
A short circuit occurs.
A series circuit occurs.
A parallel circuit occurs.
What is the process called when current flow is created on a conductor by moving it through a magnetic field?
Self-induction
Mutual induction
Induction
Reactance
What can be said about power in inductive circuits when voltage and current have the same polarity?
Power is taken from the circuit in the form of a collapsing magnetic field.
Power is given back to the circuit in the form of a collapsing magnetic field.
No power is taken from the circuit.
Power is used to increase the voltage.
Define power factor.
The ratio of true power to apparent power in a circuit.
The ratio of voltage to current in a circuit.
The ratio of resistance to reactance in a circuit.
The ratio of inductance to capacitance in a circuit.
What is the stationary portion of a three-phase motor called?
Rotor
Stator
Capacitor
Inductor
What are the two connections that can be made with the three coils of a generator?
STAR and TRIANGLE
WYE and DELTA
LINE and CIRCLE
SQUARE and RECTANGLE
What should be done before leaving the work site in terms of phase sequence?
Measure the voltage.
Prove the correct phase sequence.
Check the current flow.
Test the insulation.
What is a benefit of maintaining phase sequence during maintenance?
Reduces cost
Ensures safety
Increases speed
Decreases noise
