Trades and Apprenticeship

Which of these is safe for use in circuits with electronic components?

Which of these is safe for use in circuits with electronic components?

Which of these is safe for use in circuits with electronic components?
A) Continuity tester      B) LED test light      C) Both A and B      D) Neither A nor B

motorhead   378   3 Replies

mag90si

If a digital meter face shows 0.93 when set to k ohms, the reading means ________.

If a digital meter face shows 0.93 when set to k ohms, the reading means ________.

If a digital meter face shows 0.93 when set to k ohms, the reading means ________.
A) 930 ohms      B) 93 ohms      C) 93000 ohms      D) 9300 ohms

motorhead   579   3 Replies

mag90si

What could happen if the meter leads were connected to the positive and negative terminals of the ba

What could happen if the meter leads were connected to the positive and negative terminals of the ba

What could happen if the meter leads were connected to the positive and negative terminals of the battery while the meter and leads were set to read amperes?
A) Would display OL      B) Would read volts instead of amperes
C)

motorhead   559   3 Replies

mag90si

An ohmmeter should be connected to the circuit or component being tested ________.

An ohmmeter should be connected to the circuit or component being tested ________.

An ohmmeter should be connected to the circuit or component being tested ________.
A) With current flowing in the circuit or through the component
B) When connected to the battery of the vehicle to power the meter
C) Only when no power

motorhead   599   3 Replies

mag90si

A voltmeter should be connected to the circuit being tested ________.

A voltmeter should be connected to the circuit being tested ________.

A voltmeter should be connected to the circuit being tested ________.
A) In series      B) In Parallel
C) Only when no power is flowing      D) Both A and C

motorhead   585   3 Replies

mag90si

More electrical current will tend to flow through the branch of a parallel circuit with ________ res

More electrical current will tend to flow through the branch of a parallel circuit with ________ res

More electrical current will tend to flow through the branch of a parallel circuit with ________ resistance.
A) Lowest      B) Infinite      C) Highest      D) None of these

motorhead   333   3 Replies

mag90si

Voltage drop is a better measurement of resistance than testing static resistance because ________.A

Voltage drop is a better measurement of resistance than testing static resistance because ________.A

Voltage drop is a better measurement of resistance than testing static resistance because ________.
A) The resistance specification for the component is not required for diagnosis
B) Current flow creates heat which adds to circuit resistanc

motorhead   893   3 Replies

mag90si

An electrical load ________. (Multiple Choice)

An electrical load ________. (Multiple Choice)

An electrical load ________.
A) Has electrical resistance      B) May be unwanted resistance caused by corrosion
C) May be an electrical device      D) All of these

motorhead   353   3 Replies

mag90si

If resistance is reduced in a series circuit, ________ current will flow.

If resistance is reduced in a series circuit, ________ current will flow.

If resistance is reduced in a series circuit, ________ current will flow.
A) Less      B) More      C) The same      D) None of these

motorhead   349   3 Replies

mag90si

In a series circuit, total circuit resistance is equal to the ________ of the resistance of all load

In a series circuit, total circuit resistance is equal to the ________ of the resistance of all load

In a series circuit, total circuit resistance is equal to the ________ of the resistance of all loads in the circuit.
A) Sum      B) Dividend      C) Difference      D) None of these

motorhead   378   3 Replies

mag90si

Two light bulbs are wired in series and one bulb burns out (opens.) Technician A says that the other

Two light bulbs are wired in series and one bulb burns out (opens.) Technician A says that the other

Two light bulbs are wired in series and one bulb burns out (opens.) Technician A says that the other bulb will still work. Technician B says that the current will increase in the circuit because one electrical load (resistance) is no longer operating

motorhead   421   3 Replies

mag90si

The sum of the voltage drops in a series circuit equals the ________.

The sum of the voltage drops in a series circuit equals the ________.

The sum of the voltage drops in a series circuit equals the ________.
A) Amperage      B) Resistance      C) Wattage      D) Source voltage

motorhead   288   3 Replies

mag90si

A loose ground connection ________. (Multiple Choice)

A loose ground connection ________. (Multiple Choice)

A loose ground connection ________.
A) Causes reduced current flow
B) Causes less power to be available to the electrical components
C) Both A and B
D) Neither A nor B

motorhead   222   3 Replies

mag90si

A circuit with excessive current flow ________.

A circuit with excessive current flow ________.

A circuit with excessive current flow ________.
A) May create excess heat in conductors      B) May cause a fuse to blow
C) Both A and B      D) Neither A nor B

motorhead   365   3 Replies

mag90si

Corrosion on electrical terminals may cause ________.

Corrosion on electrical terminals may cause ________.

Corrosion on electrical terminals may cause ________.
A) Increased current flow in the circuit      B) Lights to be dimmer than normal
C) Both A and B      D) Neither A nor B

motorhead   907   3 Replies

mag90si

It requires ________ volt(s) to push 1 ampere through 1 ohm of resistance.

It requires ________ volt(s) to push 1 ampere through 1 ohm of resistance.

It requires ________ volt(s) to push 1 ampere through 1 ohm of resistance.
A) 12      B) 1      C) 2      D) None of these

motorhead   340   3 Replies

mag90si

In a circuit with high resistance ________.

In a circuit with high resistance ________.

In a circuit with high resistance ________.
A) No electrical device will function      B) Electrical loads may still operate but less efficiently
C) Both A and B      D) Neither A nor B

motorhead   322   3 Replies

mag90si

High resistance in a circuit ________.

High resistance in a circuit ________.

High resistance in a circuit ________.
A) May cause a fuse to blow      B) Reduces current flow through the circuit
C) Both A and B      D) Neither A nor B

motorhead   252   3 Replies

mag90si

A shorted circuit ________. (Multiple Choice)

A shorted circuit ________. (Multiple Choice)

A shorted circuit ________.
A) Could include an open circuit      B) Always causes the fuse to blow
C) Both A and B      D) Neither A nor B

motorhead   212   3 Replies

mag90si

In an open circuit ________. (Multiple Choice)

In an open circuit ________. (Multiple Choice)

In an open circuit ________.
A) No voltage is present      B) No current will flow
C) Both A and B      D) Neither A nor B

motorhead   138   3 Replies

mag90si

An open circuit ________. (Multiple Choice)

An open circuit ________. (Multiple Choice)

An open circuit ________.
A) May be caused by a blown fuse      B) May be caused by high resistance
C) Both A and B      D) Neither A nor B

motorhead   217   3 Replies

mag90si

What is the symbol for voltage used in calculations?

What is the symbol for voltage used in calculations?

What is the symbol for voltage used in calculations?
A) R      B) EMF      C) I      D) E

motorhead   231   3 Replies

mag90si

If the voltage increases in a circuit, what happens to the current (amperes) if the resistance stays

If the voltage increases in a circuit, what happens to the current (amperes) if the resistance stays

If the voltage increases in a circuit, what happens to the current (amperes) if the resistance stays the same?
A) Remains the same      B) Increases
C) Decreases      D) Cannot be determined

motorhead   204   3 Replies

mag90si

High resistance in a circuit can cause ________.

High resistance in a circuit can cause ________.

High resistance in a circuit can cause ________.
A) Slow motor operation      B) Clicking of relays or solenoids
C) Dim lights      D) Any of the above

motorhead   184   3 Replies

mag90si

How many watts are consumed by a light bulb if 1.2 amperes are measured when 12 volts are applied?

How many watts are consumed by a light bulb if 1.2 amperes are measured when 12 volts are applied?

How many watts are consumed by a light bulb if 1.2 amperes are measured when 12 volts are applied?
A) 14.4 watts      B) 144 watts      C) 0.10 watt      D) 10 watts

motorhead   344   3 Replies

mag90si

A potentiometer usually has how many wires?

A potentiometer usually has how many wires?

A potentiometer usually has how many wires?
A) Three      B) Four      C) Two      D) None of these

motorhead   277   3 Replies

mag90si

Which of these is also known as electrical potential?

Which of these is also known as electrical potential?

Which of these is also known as electrical potential?
A) Volts      B) Ohms      C) Amps      D) None of these

motorhead   228   3 Replies

mag90si

It is relatively easy to move an electron from the valence ring of a conductor.

It is relatively easy to move an electron from the valence ring of a conductor.

It is relatively easy to move an electron from the valence ring of a conductor.
A) True      B) False

motorhead   1158   3 Replies

mag90si

The outer electron shell is known as a(an) ________.

The outer electron shell is known as a(an) ________.

The outer electron shell is known as a(an) ________.
A) Distant ring      B) Valence ring      C) Unstable shell      D) None of these

motorhead   275   3 Replies

mag90si

A positively charged atom is called a(n) ________.

A positively charged atom is called a(n) ________.

A positively charged atom is called a(n) ________.
A) Quark      B) Ion      C) Neutron      D) None of these

motorhead   176   3 Replies

mag90si

A potentiometer, a three-wire variable resistor, is used in which type of sensor?

A potentiometer, a three-wire variable resistor, is used in which type of sensor?

A potentiometer, a three-wire variable resistor, is used in which type of sensor?
A) Manifold absolute Pressure (MAP)      B) Throttle position (TPS)
C) Knock Sensor (KS)      D) Barometric Pressure Sensor (BAR

motorhead   461   3 Replies

mag90si

Technician A says that a two-wire variable resistor is called a rheostat. Technician B says that a t

Technician A says that a two-wire variable resistor is called a rheostat. Technician B says that a t

Technician A says that a two-wire variable resistor is called a rheostat. Technician B says that a three-wire variable resistor is called a potentiometer. Which technician is correct?
A) Technician A      B) Technician B  &nb

motorhead   571   3 Replies

mag90si

The ________ is a unit of electrical pressure.

The ________ is a unit of electrical pressure.

The ________ is a unit of electrical pressure.
A) Coulomb      B) Ohm      C) Volt      D) Ampere

motorhead   285   3 Replies

mag90si

Which unit of electricity does the work in the circuit?

Which unit of electricity does the work in the circuit?

Which unit of electricity does the work in the circuit?
A) An ohm      B) An ampere      C) A volt      D) A coulomb

motorhead   754   3 Replies

mag90si

Like charges ________ (Multiple Choice Question)

Like charges ________ (Multiple Choice Question)

Like charges ________
A) Neutralize each other      B) Repel
C) Attract      D) Add

motorhead   140   3 Replies

mag90si

The ________ is part of the transmission case on most automatic transmissions.

The ________ is part of the transmission case on most automatic transmissions.

The ________ is part of the transmission case on most automatic transmissions.
A) Drive plate      B) Bell housing      C) Output shaft      D) Input gear

motorhead   256   3 Replies

mag90si

Before installing or starting a new or rebuilt engine, all of the following items should have been c

Before installing or starting a new or rebuilt engine, all of the following items should have been c

Before installing or starting a new or rebuilt engine, all of the following items should have been checked, EXCEPT ________.
A) Rear axle is topped off
B) Battery fully charged
C) Check that all of the vacuum lines are correctly instal

motorhead   323   3 Replies

mag90si

Engine vacuum on a normal stock rebuilt engine should be ________

Engine vacuum on a normal stock rebuilt engine should be ________

Engine vacuum on a normal stock rebuilt engine should be ________
A) 17 to 21 in. Hg.      B) 19 to 23 in. Hg.      C) 10 to 15 in. Hg.      D) 12 to 16 in. Hg.

motorhead   393   3 Replies

mag90si

In which type of vehicle is the engine most likely to be installed from underneath the vehicle?

In which type of vehicle is the engine most likely to be installed from underneath the vehicle?

In which type of vehicle is the engine most likely to be installed from underneath the vehicle?
A) Rear wheel drive (RWD)      B) Front wheel drive (FWD)
C) Four wheel drive (4WD)      D) Both A and C

motorhead   305   3 Replies

mag90si

Which computer sensor should be replaced to help ensure that the engine will be operating at the cor

Which computer sensor should be replaced to help ensure that the engine will be operating at the cor

Which computer sensor should be replaced to help ensure that the engine will be operating at the correct air-fuel ratio?
A) Manifold absolute pressure sensor      B) Throttle position sensor
C) Oxygen sensor    &nbs

motorhead   320   3 Replies

mag90si