Unit - 4 Advanced electrical/electronic systems Daily 5 Packet

All of the following are soldering tools except…?

a. Soldering iron.

b. Soldering gun.

c. soldering torch.

d. soldering tube.

d. soldering tube.

_ Chemically cleans the metal surfaces so the molten solder flows out and bonds with the base metals properly.

a. Flux.

b. White lithium grease.

c. Baking soda.

d. Sulfuric acid.

a. Flux

Crimp connections provide an easy way of joining wires or installing a terminal on a wire by _ around the end of the wire conductor.

a. Wrapping a soldering wire.

b. Wrapping an adhesive tape.

c. Crushing a metal collar.

d. Bending a plastic clip.

C. Crushing a metal collar.

What tool is used to install the connector part around the wire conductor during a crimp connector wiring procedure?

a. Needle nose pliers.

b. Slip joint pliers.

c. Crimping pliers.

d. Vice grip pliers.

c. Crimping pliers.

True or False? Scan tools connect to a vehicle’s diagnostic link to exchange data with all of the on-board computers and sensors.

True

Test lights are frequently used to check a circuit for power or _.

a. Photon particles.

b. Soundwaves.

c. Frequency.

d. Continuity.

d. Continuity.

True or False? Test lights should always be low-impedance to avoid damage to vehicle electronic components.

False.

Which of the following pieces of test equipment is used to check for power on the wiring harness going to electronic fuel injectors?

a. Glow plug analyzer.

b. Noid lights.

c. Load tester.

d. Diode lights.

b. Noid lights

Define Digital multimeter:

Uses a liquid crystal display to show an alphanumeric readout of electrical values.

Define Analog multimeter:

Uses a needle or pointer to show electrical readings.

Define Digital-analog multimeter:

Uses both an alphanumeric display and a bar graph to show fluctuating electrical values.

True or False? A multimeter equipped with conventional test probs does not have to touch the metal components in a circuit.

False.

A(n) _ is a diagnostic tool that displays a line pattern, or trace, representing voltage in relation to time.

a. Multimeter.

b. Glow plug analyzer.

c. Noid light.

d. Oscilloscope.

An oscilloscope

By comparing the test scope’s readout to _, the technician can determine whether something is wrong in the vehicle’s circuit.

a. An exhaust gas analyzer’s hydrocarbon emission reading for the vehicle.

b. A known good pattern for the circuit.

c. Engine speed sensor data.

d. The alternator’s power output.

b. A known good pattern for the circuit

A(n) _ is used to test the condition of batteries and conventional charging and starting systems.

a. Spark Tester.

b. Tire pressure monitor calibration tool.

c. Load tester.

d. Exhaust gas analyzer.

c. Load tester.

If the doors of a vehicle do NOT unlock when the sending unit on the key chain is pressed, the technician can use a(n) _ to detect a signal output and determine if the unit is working properly.

a. Keyless entry tester.

b. Multimeter.

c. Oscilloscope.

d. Test light.

A. Keyless entry tester.

A technician must follow a specific set of factory instructions when using a tire pressure monitor calibration tool to adjust and test a vehicle’s tire pressure _.

a. Sensors.

b. Solenoids.

c. Electronic control modules.

d. Capacitors.

a. sensors.

True or False? A diesel engine glow plug analyzer measures the internal resistance of or current flow to each glow plug.

True.

The wire used in automotive circuits consists of a central conductor surrounded by _ insultation.

a. Rubber, braided.

b. Metal, plastic.

c. Wooden, fiberglass.

d. Fluid, foam.

The correct option is B. Metal, plastic.

Secondary wire:

Has a construction designed to carry high voltage (but little current) in the engine’s ignition system.

Parallel Wire:

Has to or more individuality insulated conductors or wires molded into one flat or round body of multicolor insulation.

Solid wire:

Has a single conductor inside its plastic insulation.

Primary Wire:

Has a construction designed to carry low voltage to the components, circuits, and ECMs in a vehicle.

Coaxial cable:

Has a center conductor wire surrounded by a braided metal shield.

Stranded wire:

Has numerous individual metal strands twisted together inside its insulation.

High-voltage (HV) power cables in a hybrid or electric vehicle carry electric current and high voltage to and from the vehicle’s _, power control module, and HV battery.

a. Dashboard electronics.

b. Emission control system.

c. Motor-generator.

d. All of the above.

c. Motor-generator

What color are hybrid or electric vehicle high-voltage power cables?

a. Black.

b. Red.

c. Yellow.

d. Orange.

d. Orange.

_ Consists of copper foil bonded onto a plastic or fiber base to form a compact conductor.

a. Open circuits.

b. Printed Circuits.

c. Hydraulic circuits.

d. Parallel circuits.

b. Printed Circuits.

Conductor size limits how much _ a wire can carry without overheating.

a. voltage.

b. resistance.

c. current.

d. impedance.

c. current

What is the range-based on the American Wire Gauge system-for wire gages used in an automobile?

a. 100-200.

b. 50-75.

c. 0-100.

d. 0-30.

d. 0-30.

True or False? In a comparison of two equal-length wires manufactured with the same design and using the same materials, the wire with a smaller-diameter conductor has less resistance than the wire with a larger-diameter conductor.

False

A set of several wires for a specific system or section that are wrapped together in a plastic sheath for protection is called a(n) _.

a. Fuse Link.

b. Printed circuit.

c. Wiring harness.

d. electromagnet.

c. Wiring harness.

_ is an alloy with a relatively low melting point that is used to join electric and electronic components.

a. Welding wire.

b. Solder.

c. Wax

d. Magnesium.

Correct Answer: b. Solder

true or false? Acid-core solder should not be used for electrical repairs.

True.

Placing a thin coat of solder on the soldering gun tip or the parts to be soldered is known as _.

a. Anealing.

b. Burnishing.

c. Tinning.

d. Scorching.

c. Tinning

Which of the following items is used to cover and protect soldered wire connections?

a. Heat shrink tubing.

b. Electrical tape.

c. Liquid electrical tape.

d. All of the above.

d. All of the above.