JATC JW TEST QUESTIONS AND
ANSWERS
The term kcmil is used when referring to cables larger than? - Correct Answers -4/0
The ____ is the unit of area used to measure the cross sectional area of wire. - Correct
Answers -Circular mil
Convert 500 microamps to milliamps. - Correct Answers -0.5 ma.
500uAx1mA/1000uA=.5mA
If you bought a 2 liter bottle of wire lubricant approximately how many pints did you buy.
Given 1 pint = .04732 liter - Correct Answers -4 and 1/4 pints. 2Lx1P/.4732L
The most common method of producing electricity is through the use of? - Correct
Answers -Magnetism
The unit of current flow is the? - Correct Answers -Ampere
Only ____ can use power in an electrical circuit. - Correct Answers -Resistance
Identify the symbol shown in the figure below
---o/ o--- - Correct Answers -Normally-open switch
Current flow through a circuit is ____ by resistance in the circuit. - Correct Answers -
Limited
If you increase the voltage in a series circuit, the current will? - Correct Answers -
Increase
Calculate the total power dissipated in a series circuit supplied by 24 volts with the
following loads Given: R1=8ohms, R2=4ohms - Correct Answers -48 watts
The total resistance of a parallel circuit is ____ the value of the lowest value resistor. -
Correct Answers -Less than
In a parallel circuit, in which branch is the greatest amount of power consumed. -
Correct Answers -Branch of least resistance
, Which formula below will not help you find the total power in a combination circuit? -
Correct Answers -P=I2/R
In a three-wire, single-phase system, what is the maximum UNBALANCED load the
neutral conductor must be able to carry? - Correct Answers -The full load of either leg
all generators produce ____ voltage. - Correct Answers -AC
In a generator, maximum positive voltage is induced at ____ degrees of armature
rotation and maximum negative voltage is induced at ____ degrees. - Correct Answers -
Alternating current flowing through an inductor is opposed by resistance and? - Correct
Answers -Reactance
When analyzing a series RL circuit. ____ is used as the reference. - Correct Answers -
Current.
In a series RC circuit, the voltage drop across the resistor? - Correct Answers -Is in
phase with the current.
The outline for of the National Electrical code is comprised of an introduction and ____
chapters. - Correct Answers -Nine
Permissive test in the National Electrical Code is listed as follows? - Correct Answers -
Shall be permitted / shall not be required
Definitions are located in Article 100 of the National Electrical Code only when the term
is? - Correct Answers -Used in more than one Article of the NEC
Using the Codeology method to locate information in the National Electrical Code
requires the NEC user to be capable of identifying? - Correct Answers -Clues and
Keywords.
The ____ conductor (usually a neutral) is a system conductor that is intended to carry
current during normal operation of the circuit. - Correct Answers -Grounded.
____ grounded refers to the connection of the electrical system or of a separately
derived system of a generator, power transformer, or grounding transformer directly to
the station ground or grounding electrode system without intentionally introducing an
impedance. - Correct Answers -Solidly
The minimum size copper grounded conductor for an alternating current service that
utilizes 350 kcmil copper ungrounded service conductors is ____? Assume that the
calculated size complies with the Article 220 requirements. - Correct Answers -No. 2
ANSWERS
The term kcmil is used when referring to cables larger than? - Correct Answers -4/0
The ____ is the unit of area used to measure the cross sectional area of wire. - Correct
Answers -Circular mil
Convert 500 microamps to milliamps. - Correct Answers -0.5 ma.
500uAx1mA/1000uA=.5mA
If you bought a 2 liter bottle of wire lubricant approximately how many pints did you buy.
Given 1 pint = .04732 liter - Correct Answers -4 and 1/4 pints. 2Lx1P/.4732L
The most common method of producing electricity is through the use of? - Correct
Answers -Magnetism
The unit of current flow is the? - Correct Answers -Ampere
Only ____ can use power in an electrical circuit. - Correct Answers -Resistance
Identify the symbol shown in the figure below
---o/ o--- - Correct Answers -Normally-open switch
Current flow through a circuit is ____ by resistance in the circuit. - Correct Answers -
Limited
If you increase the voltage in a series circuit, the current will? - Correct Answers -
Increase
Calculate the total power dissipated in a series circuit supplied by 24 volts with the
following loads Given: R1=8ohms, R2=4ohms - Correct Answers -48 watts
The total resistance of a parallel circuit is ____ the value of the lowest value resistor. -
Correct Answers -Less than
In a parallel circuit, in which branch is the greatest amount of power consumed. -
Correct Answers -Branch of least resistance
, Which formula below will not help you find the total power in a combination circuit? -
Correct Answers -P=I2/R
In a three-wire, single-phase system, what is the maximum UNBALANCED load the
neutral conductor must be able to carry? - Correct Answers -The full load of either leg
all generators produce ____ voltage. - Correct Answers -AC
In a generator, maximum positive voltage is induced at ____ degrees of armature
rotation and maximum negative voltage is induced at ____ degrees. - Correct Answers -
Alternating current flowing through an inductor is opposed by resistance and? - Correct
Answers -Reactance
When analyzing a series RL circuit. ____ is used as the reference. - Correct Answers -
Current.
In a series RC circuit, the voltage drop across the resistor? - Correct Answers -Is in
phase with the current.
The outline for of the National Electrical code is comprised of an introduction and ____
chapters. - Correct Answers -Nine
Permissive test in the National Electrical Code is listed as follows? - Correct Answers -
Shall be permitted / shall not be required
Definitions are located in Article 100 of the National Electrical Code only when the term
is? - Correct Answers -Used in more than one Article of the NEC
Using the Codeology method to locate information in the National Electrical Code
requires the NEC user to be capable of identifying? - Correct Answers -Clues and
Keywords.
The ____ conductor (usually a neutral) is a system conductor that is intended to carry
current during normal operation of the circuit. - Correct Answers -Grounded.
____ grounded refers to the connection of the electrical system or of a separately
derived system of a generator, power transformer, or grounding transformer directly to
the station ground or grounding electrode system without intentionally introducing an
impedance. - Correct Answers -Solidly
The minimum size copper grounded conductor for an alternating current service that
utilizes 350 kcmil copper ungrounded service conductors is ____? Assume that the
calculated size complies with the Article 220 requirements. - Correct Answers -No. 2