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Grommet

If a wire is fed through a metal body panel, a rubber what should be installed to protect the wire from abrasion

True

If more than one circuit component does not work, start your test at the power source for the circuit

True

In the metric size system, wire diameter increases as the size number increases

Ohmmeter

If a transistor tester is not available what can be

Amps

Current is measured in units called

Junction block

A __ allows several wires to make a common connection

Power distribution

A __ diagram shows how a battery current is fed two major components

Analog

A ____ Multi meter uses a needle or pointer to show electrical readings

Scan tool

A ____ is used to measure computer system operating voltage and interpret onboard trouble codes

Circular mill

A _____ equals the area of a circle that has a 0.001 diameter

Multi meter

A _____ is a voltmeter, ammeter, and ohmmeter combined in one housing

Intermittent

A ______ problem is when that occurs only under certain conditions

Resistance

A carotid or burned a connector terminal is the most common cause of high circuit

Voltage

A circuit power test light uses the circuit what to illuminate the tester bulb

False

A conventional ammeter must be connected in parallel with the circuit

Free ranging

A digital meter that automatically selects the appropriate scales is described as

Resistance

A good conductor has little or no white across it's terminals

Extremely high current

A hot wire short to the ground produces what

1/4 mile

A late model auto Mobile may contain more than ___ wire to link electrical/electronic components

True

A multi meter with an inductive pick up does not have to touch the metal components of a circuit

A only

A particular diode has a reading of infinite homes in both directions. Technician a says this indicates that the diode has an internal short. Technician B says this indicates the diode is in good condition. Who is right

True

A remote ground has an extra wire running from the circuit to the ground

1000

A resistance value of 1 kilohm is equal to how many ohms

Wire harness

A set of several wires wrapped in tape or enclosed in a plastic sheath is referred to as a what

Primary

A small diameter wire that carries a low DC voltage is called a what wire

B only

A vehicle keeps blowing it's fuse to the lighting system. Technician a says that a larger amp fuse might correct the trouble quickly and easily. Technician B says that installing a larger fuse could cause a serious electrical fire. Who is right

Voltage

A voltmeter can be used to check a resistors what

Solder

Alloy with a low melting point

True

An AC volts setting on a multi meter might be used to check signals from a speed sensor

False

An ammeter is a device for directly measuring the resistance of a circuit

True

An ohmmeter is the most accurate way of checking a variable resistor

Infinite

An open switch should show ____ resistance

Short

Before replacing a fusible link you must locate and repair the what that caused the link to open

Ground

Before testing a capacitor, you should always ____ the capacitor and lead

Test light

Continuity tester

True

Circuit powered test lights are more commonly used than self powered test lights in auto repair

Glow plug analyzer

Diesel engine test tool

Solvent

Electrical what can be used to clean oil and grease from components before soldering

Noid light

Electronic fuel injector tester

True

Fluorescent shop lights with smaller diameter is well give off more light and use less power

Rosen core

For electrical work, only ___ solder should be used

Electrical tape

Heat shrink tubing is an alternative to ____ for covering exposed soldered connections

Blown

If a test light globes only on the feed side of a fuse the test light is what

False

Modern load tester is required connecting the tester leads in series with the battery cable to measure current

B only

More than one component in a particular automotive electric circuit is not working. Technician a starts testing the circuit at its load. Technician B starts testing the circuit at the power source. Who is right

True

Most circuit problems are caused by something very simple, such as a broken wire

VOM

Multi meter

Infinite resistance

On an ohm meter display, the symbol (infinity) indicates

False

Powertrains of hybrid vehicles may operate at voltages of 1000V or more

True

Printed circuits are most often used in instrument panels of vehicles

Trial and error

Randomly testing or replacing system parts until the problem is found is called the what approach

False

Secondary wire refers to all vehicle circuit that are not part of the ignition system

Lead

Silver, tin silver, or tin copper solders are considered safer to use than tin ____ solder

Low

Soldered connections have a _______ resistance

False

Soldering a crimp connector is considered a poor practice

True

Soldering is the best method of joining wires and terminals

Both a and B

Technician A says a load tester can be used to check the condition of a vehicles battery. Technician B says a load tester can be used to check the condition of a vehicle starting system. Who is right

Neither A nor B

Technician a says and inductive wire tracer generates a DC voltage in the wiring being tested. Technician B says and inductive wire tracer checks for high current load in the circuit. Who is right

Both a and B

Technician a says wiring spices are normally designated on automotive wiring diagrams buy a dot. Technician B says a G can be used on some schematics to designate ground. Who is right?

Neither a nor b

The current in an automotive tail light circuit needs to be checked. Technician a connects a conventional voltmeter in series with the circuit being tested. Technician B connects a conventional ammeter in parallel with the circuit being tested. Who is right

False

The effects of a grounded circuit are easily observed

High resistance

The four basic types of circuit problems are open circuit, intermittent trouble, short circuit, and

Timing light

The quickest method of checking circuit continuity is the

False

The trial and error approach is a good alternative when trying to find a simple electrical problem

0.001

The unit mill, used to measure wire diameter, is equal to

False

To achieve an accurate reading, all ohmmeters must be recalibrated to zero before use

Systematic

To find the source of a problem quickly you should use what kind of approach

Fuse link

To protect wiring before it gets to the fuse block a what is installed

Capacitor

What electrical/electronic component stores and electrical charge

Closed switch

What is not A possible cause of an open circuit

Conductor resistance diagram

What is not a type of wiring diagram

Wire length

What is not important information conveyed by the wire code identification system

Luminosity timing meter

What tool is used when making a electrical test on a diesel engine

Oscilloscope

What tool measures voltage overtime?

Primary

What wire has color-coded insulation for ease in tracing circuits

Ohmmeter

When testing a switch which testing device would you use if the switch is removed or isolated from the circuit

Inductive wire tracer

Which testing device uses a signal generator to help locate a short

30

Wire gauges in an automobile generally range from gauge 0 to gauge ___?

True

Wire size is determined by conductor diameter and does not include the insulation

False

You should avoid wiggling or moving the wires while you were testing for shorts or opens

4

lowest resistance in ohms per 1000 feet


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