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JATC JW TEST questions with verified solutions
JATC JW TEST questions with verified solutions
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JATC JW TEST questions with verifiedsolutions
The term kcmil is used when referring to cables larger than? - correct answer ✔✔4/0
The ____ is the unit of area used to measure the cross sectional area of wire. - correct answer
✔✔Circular mil
Convert 500 microamps to milliamps. - correct answer ✔✔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 answer ✔✔4 and 1/4 pints. 2Lx1P/.4732L
The most common method of producing electricity is through the use of? - correct answer
✔✔Magnetism
The unit of current flow is the? - correct answer ✔✔Ampere
Only ____ can use power in an electrical circuit. - correct answer ✔✔Resistance
Identify the symbol shown in the figure below
---o/ o--- - correct answer ✔✔Normally-open switch
Current flow through a circuit is ____ by resistance in the circuit. - correct answer ✔✔Limited
If you increase the voltage in a series circuit, the current will? - correct answer ✔✔Increase
Calculate the total power dissipated in a series circuit supplied by 24 volts with the following loads
Given: R1=8ohms, R2=4ohms - correct answer ✔✔48 watts
, The total resistance of a parallel circuit is ____ the value of the lowest value resistor. - correct answer
✔✔Less than
In a parallel circuit, in which branch is the greatest amount of power consumed. - correct answer
✔✔Branch of least resistance
Which formula below will not help you find the total power in a combination circuit? - correct answer
✔✔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 answer ✔✔The full load of either leg
all generators produce ____ voltage. - correct answer ✔✔AC
In a generator, maximum positive voltage is induced at ____ degrees of armature rotation and maximum
negative voltage is induced at ____ degrees. - correct answer ✔✔
Alternating current flowing through an inductor is opposed by resistance and? - correct answer
✔✔Reactance
When analyzing a series RL circuit. ____ is used as the reference. - correct answer ✔✔Current.
In a series RC circuit, the voltage drop across the resistor? - correct answer ✔✔Is in phase with the
current.
The outline for of the National Electrical code is comprised of an introduction and ____ chapters. -
correct answer ✔✔Nine
Permissive test in the National Electrical Code is listed as follows? - correct answer ✔✔Shall be
permitted / shall not be required
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