Question 1

What determines the chemical properties of the elements?

Accepted Answer

A)  How the shells are populated with electrons 
B)  The total number of electrons 
C)  The number of electrons in the valence shell 
D)  None of the above 
A)  How the shells are populated with electrons 
B)  The total number of electrons 
C)  The number of electrons in the valence shell 
D)  None of the above A

Question 2

An element's atomic number is used to identify the differences between specific elements.What determines the atomic number of an element?

Accepted Answer

A)  Number of protons in the nucleus 
B)  Number of electrons 
C)  Sum of the neutrons and protons 
D)  None of the above 
A)  Number of protons in the nucleus 
B)  Number of electrons 
C)  Sum of the neutrons and protons 
D)  None of the above C

Question 3

Which of the following circuit faults will NOT result in overheating the circuit?

Accepted Answer

A)  Short circuit 
B)  Open circuit 
C)  Short to ground 
D)  High resistance 
A)  Short circuit 
B)  Open circuit 
C)  Short to ground 
D)  High resistance B

Question 4

Which of the following circuits has only one path for current to flow?

Accepted Answer

A)  Parallel 
B)  Series 
C)  Series-parallel 
D)  None of the above 
A)  Parallel 
B)  Series 
C)  Series-parallel 
D)  None of the above

Question 5

When a dead short occurs,what happens to circuit resistance?

Accepted Answer

A)  Increases to a dangerous level 
B)  Significantly reduced 
C)  Not affected 
D)  Increases a small amount 
A)  Increases to a dangerous level 
B)  Significantly reduced 
C)  Not affected 
D)  Increases a small amount

Question 6

What is the term used to describe an element with fewer than 4 electrons in its outer shell?

Accepted Answer

A)  Insulator 
B)  Conductor 
C)  Semiconductor 
D)  Could be any of the above 
A)  Insulator 
B)  Conductor 
C)  Semiconductor 
D)  Could be any of the above

Question 7

INSERT FIGURE 5-30 FROM TEXTBOOK IMMEDIATELY ABOVE THIS QUESTION.Referencing the above figure,use Ohm's Law to calculate current flow.Which of the following is correct?

Accepted Answer

A)  2 amps 
B)  4 amps 
C)  8 amps 
D)  12 amps 
A)  2 amps 
B)  4 amps 
C)  8 amps 
D)  12 amps

Question 8

Which of the following is true of an electron?

Accepted Answer

A)  It has a positive charge 
B)  It has a negative charge 
C)  It is part of the nucleus of an atom 
D)  It has more mass than a proton 
A)  It has a positive charge 
B)  It has a negative charge 
C)  It is part of the nucleus of an atom 
D)  It has more mass than a proton

Question 9

Technician A says that the charge differential stored in a capacitor is held until its plates are connected to a lower voltage source.Technician B says that over time,stored electrons on a capacitor plate will leak through the dielectric until both plates have an equal charge.Who is correct?

Accepted Answer

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

Question 10

Which type of circuit has multiple paths for current flow?

Accepted Answer

A)  Series 
B)  Series-parallel 
C)  Parallel 
D)  Both B and C 
A)  Series 
B)  Series-parallel 
C)  Parallel 
D)  Both B and C

Question 11

Calculate the power consumed by a 2 amp lightbulb in a 12-volt circuit.

Accepted Answer

A)  12 W 
B)  18 W 
C)  24 W 
D)  48 W 
A)  12 W 
B)  18 W 
C)  24 W 
D)  48 W

Question 12

If you rub a balloon on a wool sweater,which of the following will result?

Accepted Answer

A)  Balloon acquires a positive charge 
B)  Balloon acquires a negative charge 
C)  Balloon bursts 
D)  Balloon becomes electrically neutral 
A)  Balloon acquires a positive charge 
B)  Balloon acquires a negative charge 
C)  Balloon bursts 
D)  Balloon becomes electrically neutral

Question 13

Which of the following functions can be performed by capacitors in vehicle electrical circuits?

Accepted Answer

A)  Power supply filter 
B)  Spike suppression 
C)  Reshaping wave forms 
D)  All of the above 
A)  Power supply filter 
B)  Spike suppression 
C)  Reshaping wave forms 
D)  All of the above

Question 14

What are the factors that determine the electrical resistance of a length of copper wire?

Accepted Answer

A)  Overall length of the wire 
B)  Temperature of the wire 
C)  Sectional area of the wire 
D)  All of the above 
A)  Overall length of the wire 
B)  Temperature of the wire 
C)  Sectional area of the wire 
D)  All of the above

Question 15

Which of the following statements best describes the properties of an inert element?

Accepted Answer

A)  Unlikely to participate in a chemical reaction 
B)  Have a fully populated valence shell 
C)  Both A and B 
D)  Neither A nor B 
A)  Unlikely to participate in a chemical reaction 
B)  Have a fully populated valence shell 
C)  Both A and B 
D)  Neither A nor B

Question 16

An electrical component that can store a charge differential is known as a:

Accepted Answer

A)  Capacitor 
B)  Inductor 
C)  Transformer 
D)  Relay 
A)  Capacitor 
B)  Inductor 
C)  Transformer 
D)  Relay

Question 17

What is an ion?

Accepted Answer

A)  An electrically unbalanced element 
B)  An element that has a surplus or deficit of electrons 
C)  Both A and B 
D)  Neither A nor B 
A)  An electrically unbalanced element 
B)  An element that has a surplus or deficit of electrons 
C)  Both A and B 
D)  Neither A nor B

Question 18

Technician A says that all electrons are alike regardless of the atomic element? Technician B says that all protons are alike regardless of the atomic element? Who is correct?

Accepted Answer

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

Question 19

What is used to separate the two conductors in a capacitor?

Accepted Answer

A)  magnetic field 
B)  rubber insulator 
C)  dielectric 
D)  nothing,they must contact each other 
A)  magnetic field 
B)  rubber insulator 
C)  dielectric 
D)  nothing,they must contact each other

Question 20

What type of signal is produced by an inductive pulse generator?

Accepted Answer

A)  Saw-tooth 
B)  Square-wave 
C)  AC Sinewave 
D)  Rippled DC 
A)  Saw-tooth 
B)  Square-wave 
C)  AC Sinewave 
D)  Rippled DC

Exam 5: Fundamentals of Electricity

What determines the chemical properties of the elements?

An element's atomic number is used to identify the differences between specific elements.What determines the atomic number of an element?

Which of the following circuit faults will NOT result in overheating the circuit?

Which of the following circuits has only one path for current to flow?

When a dead short occurs,what happens to circuit resistance?

What is the term used to describe an element with fewer than 4 electrons in its outer shell?

INSERT FIGURE 5-30 FROM TEXTBOOK IMMEDIATELY ABOVE THIS QUESTION.Referencing the above figure,use Ohm's Law to calculate current flow.Which of the following is correct?

Which of the following is true of an electron?

Technician A says that the charge differential stored in a capacitor is held until its plates are connected to a lower voltage source.Technician B says that over time,stored electrons on a capacitor plate will leak through the dielectric until both plates have an equal charge.Who is correct?

Which type of circuit has multiple paths for current flow?

Calculate the power consumed by a 2 amp lightbulb in a 12-volt circuit.

If you rub a balloon on a wool sweater,which of the following will result?

Which of the following functions can be performed by capacitors in vehicle electrical circuits?

What are the factors that determine the electrical resistance of a length of copper wire?

Which of the following statements best describes the properties of an inert element?

An electrical component that can store a charge differential is known as a:

What is an ion?

Technician A says that all electrons are alike regardless of the atomic element? Technician B says that all protons are alike regardless of the atomic element? Who is correct?

What is used to separate the two conductors in a capacitor?

What type of signal is produced by an inductive pulse generator?

Introduction to Servicing Heavy-Duty Trucks

Shop Safety and Operations

Tools and Fasteners

Preventive Maintenance Program

Fundamentals of Electronics and Computers

Batteries

Charging Systems

Cranking Systems

Chassis Electrical Circuits

Diagnosis and Repair of Electronic Circuits

Multiplexing

Hydraulics

Clutches

Standard Transmissions

Standard Transmission Servicing

Torque Converters

Automatic Transmissions

Automatic Transmission Maintenance

Electronically Automated Standard Transmissions

Electronically Controlled Automatic Transmissions Ecats

Driveshaft Assemblies

Heavy-Duty Truck Axles

Heavy-Duty Truck Axle Service and Repair

Steering and Alignment

Suspension Systems

Wheels and Tires

Truck Brake Systems

Hydraulic Brakes and Air-Over-Hydraulic Brake Systems

Abs and Ebs

Air Brake Servicing

Vehicle Chassis Frame

Heavy-Duty Truck Trailers

Fifth Wheels and Coupling Systems

Heavy-Duty Heating, ventilation, and Air Conditioning Systems

Filters