MSSC Maintaince Test 3 with Complete Solutions

MSSC Maintaince Test 3 with
Complete Solutions

A(n) __________ tester is used to check for a break in a wire.
- Continuity
- Amperage
- Voltage
- Hand - ANSWER-Continuity

The best piece of test equipment for tracing wire is the __________.
- Tachometer
- Ohmmeter
- Oscilloscope
- Ammeter - ANSWER-Ohmmeter

The flow of electrons stops when the circuit is __________.
- Increased
- Decreased
- Opened
- Closed - ANSWER-Opened

Check __________ with an ohmmeter.
- Voltage
- Current
- Resistance
- Power factor - ANSWER-Resistance

Which of the following statements is true regarding the relationship between resistance
and current?
- The lower the resistance, the lower the current
- The greater the resistance, the lower the current
- Resistance and current are always equal
- Resistance and current are not related - ANSWER-The greater the resistance, the
lower the current

Which of the following statements does not accurately describe a part of the process of
measuring the resistance of a component that is connected in a circuit?
- Turn off the power supply.
- Disconnect one of the component leads from the circuit.
- Make sure the power supply is on.

, - Connect the leads across the component. - ANSWER-Make sure the power supply is
on.

A(n) __________ is used to measure resistance.
- Ohmmeter
- Ammeter
- Voltmeter
- Flow meter - ANSWER-Ohmmeter

An ohmmeter must never be used on a circuit that may be __________.
- Open
- Shorted
- Energized with a voltage
- Capacitive or inductive - ANSWER-Energized with a voltage

To find the total resistance in a series circuit, __________.
- Multiply the individual resistances
- Average the resistances
- Add the individual resistances
- Subtract the individual resistances - ANSWER-Add the individual resistances

Which is not an application of Ohm's Law?
- Troubleshooting circuits
- Sizing components
- Determine voltage drop across a component
- Determine frequency of a component - ANSWER-Determine frequency of a
component

Where there is no continuity found when testing with a DMM, the screen may display
this.
- OL
-0
- VO
- Null - ANSWER-OL

Resistance is measured in units of __________.
- Volts
- Watts
- Ohms
- Amps - ANSWER-Ohms

If a wire measured with a multimeter has continuity, it __________.
- Cannot conduct current
- Will conduct current
- Cannot be used in a circuit
- Has an open - ANSWER-Will conduct current