Page 1 of 82
CDC ELECTRICAL SYSTEMS EXAM STUDY GUIDE
COMPLETE 450 QUESTIONS AND CORRECT
DETAILED SOLUTIONS JUST RELEASED THIS
YEAR
QUESTION: What is the difference between the one-person and two-person pole top rescue?
a.There is no difference
b.Person on the ground takes over the rescue once the victim's rope has been cut by performing
first aid in the bucket truck
c.Ground man climbs as well
d.Person on the ground takes up slack in the rescue rope and controls the rate of descent of the
victim - ANSWER✔✔.D
QUESTION: What is the purpose of Preventative Maintenance in SMS?
a.Show upgrade requirements
b.Lengthen the life-cycle of assets
c.Distribute work down to the local shop level
d.Condition personnel to complete annual inspections - ANSWER✔✔.B
, Page 2 of 82
QUESTION: What can happen if a toxic environment is not removed from a confined space
before or during work?
a.Toxic environments have little to no effect on the attendant
b.Toxic atmosphere may cause impairment of judgement, unconsciousness and death to the
entrant
c.Toxic atmosphere may cause impairment of judgement, unconsciousness and death to the
attendant
d.Toxic atmosphere may cause a variety of symptoms but nothing serious - ANSWER✔✔.B
QUESTION: Which of the following is true about electronic components?
a.All answers are correct
b.They tend to be smaller than electrical components
c.May contain hundreds or even thousands of tiny components
d.Most operate on 3-12 volts DC - ANSWER✔✔.A
QUESTION: When an electromotive force is induced on a conductor by the magnetic field of a
nearby another conductor, then?
, Page 3 of 82
a.Inductance is produced
b.All answers are correct
c.Reactance is produced
d.Capacitance is produced - ANSWER✔✔.A
QUESTION: Why are ions not able to move around like free electrons and holes in a dipole?
a.Because two free electrons and one hole have been taken out of circulation
b.All answers are correct
c.Because diffusion of electrons across the junction, leaves pairs of positive ions near the gate
d.Because they are fixed in the crystal structure due to the covalent bonding - ANSWER✔✔.D
QUESTION: What is the primary purpose of reporting labor?
a.Show full workloads and cost requirements
b.Ensure CE is estimating work correctly
c.Assess a fair price to charge CE's reimbursable customers
d.Ensure CE craftsmen are being paid fairly - ANSWER✔✔.A
, Page 4 of 82
QUESTION: How would the voltage be divided among resistors, if a 120VDC circuit has 2
resistors in series, each with 20 ohms of resistance?
a.30 volts would be divide among the resistors
b.60 volts would be divide among the resistors
c.50 volts would be divide among the resistors
d.20 volts would be divide among the resistors - ANSWER✔✔.B
QUESTION: What happens to the voltage in a parallel circuit?
a.In a series-parallel circuit, the voltage across each of the components is the same
b.In a parallel circuit, the sum of the voltages consumed by each individual resistance is equal to
the source voltage
c.In a series circuit, the voltage across each of the components is the same
d.In a parallel circuit, the voltage across each of the components is the same - ANSWER✔✔.D
QUESTION: What is the importance of ventilation?
a.To remove oxygen from the confined space
b.To allow for the gases to escape
CDC ELECTRICAL SYSTEMS EXAM STUDY GUIDE
COMPLETE 450 QUESTIONS AND CORRECT
DETAILED SOLUTIONS JUST RELEASED THIS
YEAR
QUESTION: What is the difference between the one-person and two-person pole top rescue?
a.There is no difference
b.Person on the ground takes over the rescue once the victim's rope has been cut by performing
first aid in the bucket truck
c.Ground man climbs as well
d.Person on the ground takes up slack in the rescue rope and controls the rate of descent of the
victim - ANSWER✔✔.D
QUESTION: What is the purpose of Preventative Maintenance in SMS?
a.Show upgrade requirements
b.Lengthen the life-cycle of assets
c.Distribute work down to the local shop level
d.Condition personnel to complete annual inspections - ANSWER✔✔.B
, Page 2 of 82
QUESTION: What can happen if a toxic environment is not removed from a confined space
before or during work?
a.Toxic environments have little to no effect on the attendant
b.Toxic atmosphere may cause impairment of judgement, unconsciousness and death to the
entrant
c.Toxic atmosphere may cause impairment of judgement, unconsciousness and death to the
attendant
d.Toxic atmosphere may cause a variety of symptoms but nothing serious - ANSWER✔✔.B
QUESTION: Which of the following is true about electronic components?
a.All answers are correct
b.They tend to be smaller than electrical components
c.May contain hundreds or even thousands of tiny components
d.Most operate on 3-12 volts DC - ANSWER✔✔.A
QUESTION: When an electromotive force is induced on a conductor by the magnetic field of a
nearby another conductor, then?
, Page 3 of 82
a.Inductance is produced
b.All answers are correct
c.Reactance is produced
d.Capacitance is produced - ANSWER✔✔.A
QUESTION: Why are ions not able to move around like free electrons and holes in a dipole?
a.Because two free electrons and one hole have been taken out of circulation
b.All answers are correct
c.Because diffusion of electrons across the junction, leaves pairs of positive ions near the gate
d.Because they are fixed in the crystal structure due to the covalent bonding - ANSWER✔✔.D
QUESTION: What is the primary purpose of reporting labor?
a.Show full workloads and cost requirements
b.Ensure CE is estimating work correctly
c.Assess a fair price to charge CE's reimbursable customers
d.Ensure CE craftsmen are being paid fairly - ANSWER✔✔.A
, Page 4 of 82
QUESTION: How would the voltage be divided among resistors, if a 120VDC circuit has 2
resistors in series, each with 20 ohms of resistance?
a.30 volts would be divide among the resistors
b.60 volts would be divide among the resistors
c.50 volts would be divide among the resistors
d.20 volts would be divide among the resistors - ANSWER✔✔.B
QUESTION: What happens to the voltage in a parallel circuit?
a.In a series-parallel circuit, the voltage across each of the components is the same
b.In a parallel circuit, the sum of the voltages consumed by each individual resistance is equal to
the source voltage
c.In a series circuit, the voltage across each of the components is the same
d.In a parallel circuit, the voltage across each of the components is the same - ANSWER✔✔.D
QUESTION: What is the importance of ventilation?
a.To remove oxygen from the confined space
b.To allow for the gases to escape
