ASE Practice Test (A6: Electrical/Electronic Systems)

Question 1

To check the continuity of wires that carry digital signals, which of the following tools can be used?

Accepted Answer

Logic probe

Answer

Voltmeter

Answer

Megger meter

Answer

Analog meter

Question 2

When using the passenger side control switch, the passenger side power window works properly, but when using the driver's side master control switch, the window only works in the DOWN position. Which of these possibly be the source of the problem?

Accepted Answer

An open circuit in the driver’s side master control switch

Answer

A grounded power wire to the power window circuit breaker

Answer

A pinched wire from the passenger side control switch to the window motor

Answer

An open wire to the driver’s side window motor

Question 3

Which of the following statements regarding a series circuit is correct?

Accepted Answer

Highest resistance contains the highest voltage drop

Answer

Highest resistance contains the most current

Answer

Lowest resistance contains the most current

Answer

Lowest resistance contains the highest voltage drop

Question 4

A fully charged 12 volt battery should indicate how much voltage on the open circuit voltage (OCV) test when using a DMM (Digital Multimeter).

Accepted Answer

12.6 volts

Answer

4 volts per cell

Answer

1 volt per cell

Answer

9.6 volts

Question 5

Technician X says that if a fusible link in the alternator charging circuit is replaced with system sized wire, the circuit will be unprotected. Technician Y says that if a fusible link in the alternator charging circuit is replaced with system sized wire, the battery will overcharge. Who is right?

Accepted Answer

X only

Answer

Both X and Y

Answer

Neither X nor Y

Answer

Y only

Question 6

When using a DMM voltmeter function to evaluate voltage drop, how should the meter leads be connected?

Accepted Answer

Across the circuit or component

Answer

On the positive side of the circuit

Answer

To non-conductive material

Answer

In series with the circuit

Question 7

Two technicians are discussing a battery's state of charge. Technician X says a specific gravity of 1.225 at 80F indicates that a battery's state of charge is approximately 75%. Technician Y says you can use a hydrometer to check battery state of charge on a maintenance free battery. Who is right?

Accepted Answer

X only

Answer

Both X and Y

Answer

Neither X nor Y

Answer

Y only

Question 8

A starter solenoid clicks but the starter does not crank the engine. Technician X says that burned solenoid contacts could be the cause. Technician Y says that a poor battery cable connection could be the cause. Who is right?

Accepted Answer

Both X and Y

Answer

Neither X nor Y

Answer

X only

Answer

Y only

Question 9

When linked to both sides of the rotor, an analog ohmmeter needle will not move. What does the rotor winding indicate?

Accepted Answer

It is open

Answer

It is shorted

Answer

It is complete

Answer

It is grounded

Question 10

When a technician performs a load test on a battery, the battery voltage falls below specifications. Which of the following actions is the MOST LIKELY to be taken?

Accepted Answer

Replace the battery

Answer

Replace the voltage regulator

Answer

Recharge the battery and retest it

Answer

Recharge the battery and return it to service