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Q 1/20
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Q 2/20
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Two technicians are discussing a series circuit containing two identical light bulbs. Technician A says that if one bulb burns out, the other bulb will remain illuminated. Technician B says that according to Kirchhoff's Voltage Law, the sum of the voltage drops across both bulbs must equal the source voltage. Who is correct?
30
Technician B only
Both Technician A and Technician B
Neither Technician A nor Technician B
Technician A only
20 questions
Q.
1
30 sec
Q.
Two technicians are discussing a series circuit containing two identical light bulbs. Technician A says that if one bulb burns out, the other bulb will remain illuminated. Technician B says that according to Kirchhoff's Voltage Law, the sum of the voltage drops across both bulbs must equal the source voltage. Who is correct?
2
30 sec
Q.
An automotive technician is using an ammeter to diagnose a parasitic draw on a vehicle battery. If the meter is connected in parallel with the battery and the circuit is energized, which of the following is the most likely outcome?
3
30 sec
Q.
4
30 sec
Q.
Technician A says that a digital multimeter (DMM) with high input impedance should be used when testing electronic control module (ECM) circuits to prevent drawing excessive current. Technician B says that an analog voltmeter is preferred for these tests because it places a larger load on the circuit, providing a more 'real-world' measurement. Who is correct?
5
30 sec
Q.
An automotive blower motor circuit is being tested because the motor only operates on high speed. If the system uses a resistor pack to control the lower speeds, what is the most likely cause of the failure?
6
30 sec
Q.
7
30 sec
Q.
8
30 sec
Q.
Technician A says that a digital multimeter (DMM) should be set to the Ohms setting to check for continuity across a blown fuse while it is still powered in the circuit. Technician B says that a voltage drop test across a fuse can be used to identify current flow without removing the fuse. Who is correct?
9
30 sec
Q.
10
30 sec
Q.
11
30 sec
Q.
12
30 sec
Q.
13
30 sec
Q.
14
30 sec
Q.
15
30 sec
Q.
16
30 sec
Q.
17
30 sec
Q.
Technician A says that when measuring resistance with an ohmmeter, the circuit should be powered to ensure the most accurate reading. Technician B says that an ohmmeter uses its own internal battery to send a small current through the component being tested. Who is correct?
18
30 sec
Q.
A technician is diagnosing an interior light circuit where the fuse blows as soon as it is replaced, even when the light switch is in the 'OFF' position. What does this condition most likely indicate?
19
30 sec
Q.
A technician is testing a coolant temperature sensor, which is a Negative Temperature Coefficient (NTC) thermistor. If the technician measures the resistance of the sensor while the engine is warming up, what should happen to the ohmmeter reading?