Pre test

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When performing a battery check, the state of charge should not be lower than what percentage?

. 50%

____________ connected in parallel to the battery provide a high initial current to the starter to speed up the armature rotation.

Ultra-capacitors

Which of the following is tested while the circuit is under load?

Voltage drop

What test instrument is used to test an armature?

Growler

Small resistances will become larger as amperage increases is predicted by which of the following laws?

Joule's Heating

If a starter turns, but the engine does not, this could be caused by which of the following?

Pinion slipping

What type of starter can be identified by an offset drive housing to the motor housing?

Reduction gear drive

___________________ is when the motor multiplies torque to the starter pinion gear by using an extra gear between the armature and the starter drive mechanism.

Reduction gear drive

Which of the following uses electromagnets to close contacts and act like a switch?

Relays

What types of motors develop the highest torque and are used as starting motors?

Series

In starter motors, what are placed between the solenoid and housing to adjust pinion clearance?

Shims

ECM-controlled circuits use the _________ as an input device.

ignition key

What is the electric motor classification where the field and armature windings are connected in parallel?

Shunt

A mechanical problem that may cause starting system problems includes________________.

incorrect injection or valve timing

What types of motors are used in instrument cluster gauges, turbochargers, and EGR actuators where high precision movement is required?

Stepper

Which of the following switches would be an overcrank protection switch?

Thermal protection

______________are made of heavy, flat, copper strips that can handle the heavy current flow of the series motor.

Armature windings

What is the only rotating component of the starter?

Armatures

Which of the following circuits prevents the starter motor from operating if the engine is running?

Automatic disengagement lockout

What might the cause be if the motor has a whine or siren sound just after starting?

Damaged flywheel ring gear teeth

When battery voltage drops below _________volts while cranking, the voltage-sensing relay will typically open-circuit the starter relay circuit.

7.2

What is produced by the spinning magnetic field of the armature, which induces current in the opposite direction of battery current through the motor?

CEMF

Which of the following is made up of heavy copper segments separated from each other and the armature shaft by insulation?

Commutators

What test would you do to measure a battery's capacity?

Conductance test

A typical electrical problem that can cause starting system problems includes____________.

a faulty control circuit

Battery cable diameters should be sized for maximum _____________.

amperage capacity

What starter motor component would you test the resistance and current draw of the pull-in and hold-in windings?

b .Solenoid

If the engine cranks slowly or does not start, the cause might be_____________.

battery cables too small or poor connections

Worn bushing or bearings will cause excessive __________.

current draw

Direct current motors are categorized by the arrangement of _________.

electromagnetic circuits

If the solenoid clicks or chatters, it might indicate that there is (are) _________________.

loose or corroded battery terminals

Reversing the direction of current flow in the conductor causing the conductor to move in the opposite direction is known as ____________.

motor effect

Starter motors can be tested in two ways. The off-vehicle test is called a(n) _________test.

no-load

Direct-drive starters transfer torque directly to the ___________gear.

pinion

Conducting less amperage means __________ in circuits is reduced, with less damage and loosening of electrical connections.

resistance

The __________ on the starter motor switches the high current flow required by the starter motor on and off.

solenoid

Field coils are connected in series with the armature windings through the ________.

starter brushes

The greatest ___________ is produced at low speed since the motor will draw the highest amperage.

torque

The starter motor is an electric motor mounted on the engine block or ____________.

transmission

When checking starter motor components, use a thin metal strip, then rotate the armature. A ______ strip means the armature is shorted and requires replacement.

vibrating


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