Electrical Troubleshooting

Please wait while the activity loads.
If this activity does not load, try refreshing your browser. Also, this page requires javascript. Please visit using a browser with javascript enabled.

If loading fails, click here to try again

Start

Congratulations - you have completed Electrical Troubleshooting .

You scored %%SCORE%% out of %%TOTAL%%.

Your performance has been rated as %%RATING%%

Your answers are highlighted below.

Question 1

When testing an electrical system that is inoperable, what is commonly the first test that is performed?

A	Amperage test
B	Resistance test
C	Voltage test
D	Wattage test

Question 2

When a contactor coil is energized, what type of reading should be obtained across a normally closed set of contacts that is in an operating circuit?

A	0 volts
B	Source voltage
C	0 ohms
D	Source amperage

Question 3

If source voltage is applied to a load and the load is inoperable, what can be said about the load?

A	It has a short circuit
B	It has a defective control circuit
C	It has a grounded circuit
D	It has a open circuit

Question 4

If a measurable voltage reading is obtained when testing across a normally open set of contacts of a relay that is energized, what is the problem with the relay?

A	There is no problem
B	The contacts are burnt
C	The contacts are closed
D	The contacts are shorted

Question 5

When troubleshooting a circuit using an ohmmeter,

A	Power must be supplied to the circuit
B	The meter must always be set to the R X 1 scale
C	The component being tested must be removed from the circuit
D	The circuit being tested must have current flow

Question 6

If a measurable resistance if obtained when testing across a normally closed set of contacts on a relay when using an ohmmeter, what is the problem with the relay?

A	There is no problem
B	The contacts are burnt
C	The contacts are open
D	The contacts are shorted

Question 7

When measuring the resistance of a load

A	Start by setting the ohmmeter to the R X !00,000 scale
B	Start by setting the ohmmeter to the R X 10,000 scale
C	Start by setting the ohmmeter to the R X 1,000 scale
D	Start by setting the ohmmeter to the R X 1 scale

Question 8

When measuring the resistance of a load, what reading should be obtained if the load is operable?

A	Infinite resistance
B	Measureable resistance
C	Zero resistance
D	No continuity

Question 9

Which of the following resistance readings best explains the meaning of continuity?

A	An infinite and zero resistance reading
B	An measurable and infinite resistance reading
C	An measurable and zero resistance reading
D	An infinite resistance reading

Question 10

When measuring the resistance of a shorted electrical load, what reading will be obtained?

A	Infinite resistance
B	Zero or very low measurable resistance
C	0 ohm only
D	High measurable resistance

Question 11

When measuring the resistance of an electrical load that has burnt open, what reading will be obtained?

A	Infinite resistance
B	Zero or very low measureable resistance
C	0 ohm only
D	High measurable resistance

Question 12

When measuring the resistance of an electrical load that has shorted to ground, it should be tested with?

A	R X 1 scale
B	R X 10 scale
C	. R X 1,000 scale
D	R X 100,000 scale

Question 13

When troubleshooting a circuit using a clamp on ammeter,

A	The circuit must be de energized, and the meter must be clamped around two wires
B	The circuit must be energized, and the meter must be clamped around two wires
C	The circuit must be energized, and the meter must be clamped around one wire
D	The circuit must be de energized, and the meter must be clamped around two wires

Question 14

When measuring a 24 volt circuit using an ammeter what must be used to increase the amperage to a measurable level?

A	A current multiplier
B	A voltage rectifier
C	A step up transformer
D	A potentiometer

Question 15

What reading would be obtained when measuring the amperage of a short circuit?

A	0 amps
B	Steady measurable amperage
C	Excessive amperage
D	Low amperage

Question 16

What reading would be obtained when measuring the amperage of an open circuit?

A	0 amps
B	Steady measurable amperage
C	Excessive amperage
D	Low amperage

Question 17

Refer to the attached figure. The system depicted by the diagram is a _____ system. SCHEMATIC

A	electric heat, electric cooling
B	gas heat, electric cooling
C	cooling only
D	heat pump

Once you are finished, click the button below. Any items you have not completed will be marked incorrect. Get Results

There are 17 questions to complete.

←

List

→

Return

Shaded items are complete.

1	2	3	4	5
6	7	8	9	10
11	12	13	14	15
16	17	End

Return

Tek Assist - NATE Core and Specialties Tests

Electrical Troubleshooting

Electrical Troubleshooting

Share this: