APPRENTICE LINEMAN GENERAL
KNOWLEDGE WITH COMPLETE
SOLUTIONS
What year was the IBEW formed, and who was its President? - Correct Answers -1890,
Henry Miller
What should be checked for when examining as injured person? - Correct Answers -1.
Breathing
2. Pulse
3. Head Injury
4. Paralysis on one side of the face
5. Laryngectomee
6. Stains and burns on or around mouth
What is shock? - Correct Answers -A depressed state of all body functions due to failure
of the circulatory system.
What are some signs of shock? - Correct Answers -1. Increased shallow breathing
2. Cold clammy skin
3. Low body temperature
How should shock be treated? - Correct Answers -1. Maintain normal body temperature
2. Ensure adequate oxygen supply
3. Keep warm
4. Control bleeding if necessary lie down with head lower than feet
5. Do not move unless necessary
What are ways to control bleeding? - Correct Answers -Direct pressure on pressure
point and in extreme cases tourniquet.
What is artificial respiration? - Correct Answers -The forcing of air into the lungs of one
who cannot breathe for himself.
How deep should a gain be cut? - Correct Answers -1/2"
Poles set on curves, corners, and strain points should be set __________ inches
deeper. - Correct Answers -6
,If a pole is set near an energized line what precautions should be taken? - Correct
Answers -1. Cover with protective equipment
2. Feeder holds
3. Rubber gloves
Wood poles are classified by their: - Correct Answers -1. Height
2. Top circumference
3. Circumference 6' from the bottom of the pole
The denominator of an improper fraction is __________ than the numerator. - Correct
Answers -smaller
What materials do electrons travel freely through? - Correct Answers -conductors
If few electrons travel freely through a material, that material is said to be an
_________. - Correct Answers -insulator
Is there such a thing as a perfect insulator? - Correct Answers -no
The opposition to current flow through a material is called? - Correct Answers -
resistance
What is the unit of measurement of resistance? - Correct Answers -Ohm
What is the resistance of 1000 feet of #10 copper? - Correct Answers -1 Ohm
What is electric current? - Correct Answers -The definite drift of electrons from a point of
negative potential to a point of positive potential.
The unit of measurement of electromotive force is the: - Correct Answers -Volt
The unit of current flow is: - Correct Answers -Ampere
In a circuit the current is __________ proportional to the voltage and __________
proportional to the resistance. - Correct Answers -directly, inversely
The __________ at which work is done is power. The formula for this is: - Correct
Answers -rate, Power = Work ÷ Time
One joule of work done in one second of time is one __________ of electrical work. -
Correct Answers -Watt
The unit of electrical work is the __________ ? - Correct Answers -Joule
The unit of electrical power is the __________ ? - Correct Answers -Watt
,__________ is the unit of measurement of work for mechanical power. - Correct
Answers -Horsepower
What is the most common cause for lost power? - Correct Answers -heat
How many watts are in one horsepower? - Correct Answers -746
One watt equals __________ horsepower? - Correct Answers -.00134
1/746
What is a watts definition? - Correct Answers -The power used when one amp flows
with one volt.
What is the speed of light? - Correct Answers -186,000 miles per second
What NECA district covers outside work exclusively? - Correct Answers -Tenth District
What is a guy? - Correct Answers -A brace or cable fastened to strengthen a pole and
to keep it in position.
Aluminum has what conductivity, tensile strength, and weight of copper? - Correct
Answers -60%, 45%, 33%
One mill is equal to __________ of an inch? - Correct Answers -1/1000
How do you find the circular mil cross section area of a wire? - Correct Answers -
Square the diameter of the wire in mills.
What is the mathematical expression for series resistance? - Correct Answers -Rt = R₁
+ R₂ + R₃ + R₄...
A circuit having only one current path is called a __________ circuit? - Correct Answers
-series
What is the formula for determining the total current in a series circuit? - Correct
Answers -It = I₁ = I₂ = I₃ = I₄...
Electrical energy is transformed into __________ when current flows through a resistor.
- Correct Answers -heat
What is the formula for power in a series circuit? - Correct Answers -Pt = P₁ + P₂ + P₃
+P₄...
, What is the formula for voltage in a parallel circuit? - Correct Answers -Et = E₁ = E₂ = E₃
= E₄...
What is the formula for resistance in a parallel circuit? - Correct Answers -1/Rt = 1/R₁ +
1/R₂ + 1/R₃ + 1/R₄...
What is the formula for total current in a parallel circuit? - Correct Answers -It = I₁ + I₂ +
I₃ + I₄...
What is the formula to find total power in a parallel circuit? - Correct Answers -Pt = P₁ +
P₂ + P₃ + P₄...
What is produced when a conductor is moved through magnetic lines of force? - Correct
Answers -an EMF is induced
A device used to convert AC power from one combination of voltage and current to
another is called a __________ ? - Correct Answers -transformer
The sheet iron core of a transformer forms a closed: - Correct Answers -magnetic circuit
How are the primary and secondary windings of a transformer coupled? - Correct
Answers -magnetically
What is the formula for number of windings to voltage? - Correct Answers -voltage
primary/voltage secondary = number of turns primary/number of turns secondary
What destroys transformers in an overload situation? - Correct Answers -heat
The purpose of oil in a transformer is: - Correct Answers -cool and insulate the coils
What keeps a transformer from acting as a short circuit? - Correct Answers -Counter
voltage (aka: back voltage, CEMF)
What is usually the maximum temperature the insulation in a transformer can stand? -
Correct Answers -221° F (105° C)
Why are underground transformers and their bushings hermetically sealed? - Correct
Answers -To guard against moisture damage.
What does a CSP transformer have that a conventional does not? - Correct Answers -1.
Primary lightning arrestor
2. Primary protective fuse link
3. Overcurrent protection on secondary
4. Overload Signal lamp
5. External Operating handle for opening and closing secondary
6. No load tap changer
KNOWLEDGE WITH COMPLETE
SOLUTIONS
What year was the IBEW formed, and who was its President? - Correct Answers -1890,
Henry Miller
What should be checked for when examining as injured person? - Correct Answers -1.
Breathing
2. Pulse
3. Head Injury
4. Paralysis on one side of the face
5. Laryngectomee
6. Stains and burns on or around mouth
What is shock? - Correct Answers -A depressed state of all body functions due to failure
of the circulatory system.
What are some signs of shock? - Correct Answers -1. Increased shallow breathing
2. Cold clammy skin
3. Low body temperature
How should shock be treated? - Correct Answers -1. Maintain normal body temperature
2. Ensure adequate oxygen supply
3. Keep warm
4. Control bleeding if necessary lie down with head lower than feet
5. Do not move unless necessary
What are ways to control bleeding? - Correct Answers -Direct pressure on pressure
point and in extreme cases tourniquet.
What is artificial respiration? - Correct Answers -The forcing of air into the lungs of one
who cannot breathe for himself.
How deep should a gain be cut? - Correct Answers -1/2"
Poles set on curves, corners, and strain points should be set __________ inches
deeper. - Correct Answers -6
,If a pole is set near an energized line what precautions should be taken? - Correct
Answers -1. Cover with protective equipment
2. Feeder holds
3. Rubber gloves
Wood poles are classified by their: - Correct Answers -1. Height
2. Top circumference
3. Circumference 6' from the bottom of the pole
The denominator of an improper fraction is __________ than the numerator. - Correct
Answers -smaller
What materials do electrons travel freely through? - Correct Answers -conductors
If few electrons travel freely through a material, that material is said to be an
_________. - Correct Answers -insulator
Is there such a thing as a perfect insulator? - Correct Answers -no
The opposition to current flow through a material is called? - Correct Answers -
resistance
What is the unit of measurement of resistance? - Correct Answers -Ohm
What is the resistance of 1000 feet of #10 copper? - Correct Answers -1 Ohm
What is electric current? - Correct Answers -The definite drift of electrons from a point of
negative potential to a point of positive potential.
The unit of measurement of electromotive force is the: - Correct Answers -Volt
The unit of current flow is: - Correct Answers -Ampere
In a circuit the current is __________ proportional to the voltage and __________
proportional to the resistance. - Correct Answers -directly, inversely
The __________ at which work is done is power. The formula for this is: - Correct
Answers -rate, Power = Work ÷ Time
One joule of work done in one second of time is one __________ of electrical work. -
Correct Answers -Watt
The unit of electrical work is the __________ ? - Correct Answers -Joule
The unit of electrical power is the __________ ? - Correct Answers -Watt
,__________ is the unit of measurement of work for mechanical power. - Correct
Answers -Horsepower
What is the most common cause for lost power? - Correct Answers -heat
How many watts are in one horsepower? - Correct Answers -746
One watt equals __________ horsepower? - Correct Answers -.00134
1/746
What is a watts definition? - Correct Answers -The power used when one amp flows
with one volt.
What is the speed of light? - Correct Answers -186,000 miles per second
What NECA district covers outside work exclusively? - Correct Answers -Tenth District
What is a guy? - Correct Answers -A brace or cable fastened to strengthen a pole and
to keep it in position.
Aluminum has what conductivity, tensile strength, and weight of copper? - Correct
Answers -60%, 45%, 33%
One mill is equal to __________ of an inch? - Correct Answers -1/1000
How do you find the circular mil cross section area of a wire? - Correct Answers -
Square the diameter of the wire in mills.
What is the mathematical expression for series resistance? - Correct Answers -Rt = R₁
+ R₂ + R₃ + R₄...
A circuit having only one current path is called a __________ circuit? - Correct Answers
-series
What is the formula for determining the total current in a series circuit? - Correct
Answers -It = I₁ = I₂ = I₃ = I₄...
Electrical energy is transformed into __________ when current flows through a resistor.
- Correct Answers -heat
What is the formula for power in a series circuit? - Correct Answers -Pt = P₁ + P₂ + P₃
+P₄...
, What is the formula for voltage in a parallel circuit? - Correct Answers -Et = E₁ = E₂ = E₃
= E₄...
What is the formula for resistance in a parallel circuit? - Correct Answers -1/Rt = 1/R₁ +
1/R₂ + 1/R₃ + 1/R₄...
What is the formula for total current in a parallel circuit? - Correct Answers -It = I₁ + I₂ +
I₃ + I₄...
What is the formula to find total power in a parallel circuit? - Correct Answers -Pt = P₁ +
P₂ + P₃ + P₄...
What is produced when a conductor is moved through magnetic lines of force? - Correct
Answers -an EMF is induced
A device used to convert AC power from one combination of voltage and current to
another is called a __________ ? - Correct Answers -transformer
The sheet iron core of a transformer forms a closed: - Correct Answers -magnetic circuit
How are the primary and secondary windings of a transformer coupled? - Correct
Answers -magnetically
What is the formula for number of windings to voltage? - Correct Answers -voltage
primary/voltage secondary = number of turns primary/number of turns secondary
What destroys transformers in an overload situation? - Correct Answers -heat
The purpose of oil in a transformer is: - Correct Answers -cool and insulate the coils
What keeps a transformer from acting as a short circuit? - Correct Answers -Counter
voltage (aka: back voltage, CEMF)
What is usually the maximum temperature the insulation in a transformer can stand? -
Correct Answers -221° F (105° C)
Why are underground transformers and their bushings hermetically sealed? - Correct
Answers -To guard against moisture damage.
What does a CSP transformer have that a conventional does not? - Correct Answers -1.
Primary lightning arrestor
2. Primary protective fuse link
3. Overcurrent protection on secondary
4. Overload Signal lamp
5. External Operating handle for opening and closing secondary
6. No load tap changer
