Deck 20: Starting and Charging System Service

Question 1

Safety is being discussed.Technician A says never attempt to remove the starter unless the battery is disconnected.Technician B says remove the battery negative terminal, and as an added safety precaution, cover the terminal in electrical tape to prevent accidental connection.Who is correct?

A)A only
B)B only
C)Both A and B
D)Neither A nor B

Answer 1

C

Question 2

Conductance testers are used to test all of the following EXCEPT_________.

A)current flow
B)batteries
C)starters
D)generator output

Answer 2

A

Question 3

How many volts are present in a fully charged 12-volt battery?

A)12.0
B)12.2
C)12.4
D)12.6

Answer 3

D

Question 4

When removing a high voltage plug from a hybrid vehicle, ___________ __________ must be worn.

Question 5

A battery starter should never be cranked for more than 15 seconds at a time without at least a two-minute cool-off period.

Question 6

Generally, generator tests are done by bringing the engine speed up to ____________________ rpm.

Question 7

The battery load test measures the battery's ability to produce current for a long amount of time.

Question 8

While conducting a parasitic drain test, a usually- acceptable amperage range is __________.

A)30-50 mA
B)150-200 mA
C)10-20 mA
D)200-300 mA

Question 9

Before adjusting drive-belt tension, Technician A checks for proper pulley alignment.Technician B looks up the specified belt tension in the vehicle's service manual.Who is correct?

A)A only
B)B only
C)both A and B
D)neither A nor B

Question 10

When using jumper cables, the last connection should be made on the __________ of the dead vehicle.

Question 11

Which of these statements is NOT a true conclusion from a battery load test?

A)The battery needs to be replaced if the voltage dropped below 9.6 volts while under a load but rose above 12.4 volts when the load was removed
B)The battery should be charged and then retested because it dropped below 9.6 volts and didn't rise above 12.4 volts when the load was removed
C)The battery should be charged and then retested because it dropped below 9.6 volts and rose above 12.4 volts when the load was removed
D)The battery is good because the voltage dropped only to 10.3 volts while under load

Question 12

Typically, control circuit voltage drop should not exceed _____ volts..

A)0.1
B)0.2
C)0.5
D)1.0

Question 13

A built-in hydrometer can indicate battery condition based on the specific gravity of the electrolyte.

Question 14

Technician A says key-off battery drain occurs when a system or component continues to draw power from the battery even after the vehicle is shut down.Technician B says that only certain modern vehicles have some key-off draws.Who is correct?

A)A only
B)B only
C)both A and B
D)neither A nor B

Question 15

The sulfation test is also called the ___________- ___________ ___________ test.

Question 16

A battery fast charge is done at a high amperage rate for a short amount of time.

Question 17

An engine cranks slowly.Technician A says a possible cause of the problem is low resistance in the starter circuit connections.Technician B says a possible cause is an open in the starter field coil circuit.Who is correct?

A)A only
B)B only
C)both A and B
D)neither A nor B

Question 18

Starting/charging system testers, can be used to load the generator and check both the voltage and ____________________ output.

Question 19

An AC voltage leakage test is being performed.What is the maximum allowable AC voltage?

A)200 mV
B)500 mV
C)800 mV
D).2 mV

Question 20

A pulse-width modulated control signal can be checked with an AC voltmeter.