MSSC MAINTENANCE ELECTRICAL EXAM
2024-2025
Is voltage electrical? ANSWER Force
What do analog and digital voltmeters measure? - ANSWER: Potential Difference
There are two methods for measuring voltage: _____ and _____. - ANSWER
Across a component and from a reference
Is a multimeter a versatile measuring device? - ANSWER Voltage, Current, and
Resistance
A _____ circuit has more than one path for the current to follow. - Answer: Parallel
In a parallel circuit using a constant voltage power supply, what is the voltage drop
between each branch? - ANSWER Equal to the power supply voltage.
10 mA is an example of a _____ value. - ANSWER: Current
What does an ammeter measure? - ANSWER: Current
To measure current through a component, attach the ammeter to the component. -
ANSWER In series with
The current in a _____ circuit is distributed among its branches. - Answer: Parallel
What is the unit of measurement for resistance? - Answer Ohms.
To measure resistance, use a _____. - ANSWER Ohmmeter
, Which of the following statements is false concerning measuring the resistance of a
component connected in a circuit? - ANSWER Make sure the power supply is
turned on.
When branches are added to a parallel circuit, what is the resistance? - ANSWER
decreases
What happens if a wire has continuity? - ANSWER Will encounter almost no
resistance.
Constant voltage power supply will keep a constant voltage under different
conditions. - ANSWER loads
Electricity generates the flow of ____ in a conductor. - ANSWER Electrons
A knife switch includes a lever and one or more pairs of? - ANSWER contacts
What is the primary purpose of a switch? - ANSWER Energize or de-energize
circuits.
What type of electrical output device produces rotary motion? - The answer motor
What is the type of current that only travels in one direction? - Answer DC
2024-2025
Is voltage electrical? ANSWER Force
What do analog and digital voltmeters measure? - ANSWER: Potential Difference
There are two methods for measuring voltage: _____ and _____. - ANSWER
Across a component and from a reference
Is a multimeter a versatile measuring device? - ANSWER Voltage, Current, and
Resistance
A _____ circuit has more than one path for the current to follow. - Answer: Parallel
In a parallel circuit using a constant voltage power supply, what is the voltage drop
between each branch? - ANSWER Equal to the power supply voltage.
10 mA is an example of a _____ value. - ANSWER: Current
What does an ammeter measure? - ANSWER: Current
To measure current through a component, attach the ammeter to the component. -
ANSWER In series with
The current in a _____ circuit is distributed among its branches. - Answer: Parallel
What is the unit of measurement for resistance? - Answer Ohms.
To measure resistance, use a _____. - ANSWER Ohmmeter
, Which of the following statements is false concerning measuring the resistance of a
component connected in a circuit? - ANSWER Make sure the power supply is
turned on.
When branches are added to a parallel circuit, what is the resistance? - ANSWER
decreases
What happens if a wire has continuity? - ANSWER Will encounter almost no
resistance.
Constant voltage power supply will keep a constant voltage under different
conditions. - ANSWER loads
Electricity generates the flow of ____ in a conductor. - ANSWER Electrons
A knife switch includes a lever and one or more pairs of? - ANSWER contacts
What is the primary purpose of a switch? - ANSWER Energize or de-energize
circuits.
What type of electrical output device produces rotary motion? - The answer motor
What is the type of current that only travels in one direction? - Answer DC
