The voltage rating Study guides, Class notes & Summaries
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Stationary Engineer Electric Exam Questions with 100% Correct Answers (A+ Graded)
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An AC circuit consists only of a pure inductance and a power source. The relationship between the voltage and the current in this circuit is that the Correct Answer current lags the voltage 
 
The power factor of a load is equal to the ____________ power divided by the ____________ power. Correct Answer True ; apparent 
 
A 10-ohms and 20-ohms resistor are connected in parallel. The total line current drawn by this parallel combination is 30 amps. Under these conditions, the line voltage will be...
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Level 2 Module 1 Alternating Currents correctly answered rated A+ 2023/2024
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Level 2 Module 1 Alternating Currents 
2:1 
What is the step-down turns ratio of a transformer with 200 turns in the primary and 100 turns in the secondary? 
 
 
induced high voltage 
Opening the secondary of a CT under load will cause a dangerous level of___. 
 
 
40Hz 
What is the hertz rating of an AC circuit if the frequency is 20 cycles per 1/2 second? 
 
 
340V 
Given: A circuit has an rms voltage of 120VAC. What is the peak-to-peak voltage? 
 
 
175V 
A circuit has a peak voltage of 275V....
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NCCER ELECTRICAL LEVEL 3 Module 6 Distribution Equipment exam questions and answers
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Which of the following is true with regard to switchboards 
Switchboards are used to subdivide large blocks of power 
 
 
 
When installing wiring within switchgear, use self adhesive cable ties every ___. 
12" (300mm) 
 
 
 
The maximum voltage that a piece of equipment can withstand is known as its ____. 
Basic impulse insulation level (BIL) 
 
 
 
Bolted pressure switches are often used in place of ___. 
Circuit breakers 
 
 
 
A transformer's temperature rise rating refers to ___. 
The max...
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Associate CET 6th Guide Latest 2024 Solved Correctly Questions With Solutions.
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Associate CET 6th Guide Latest 2024 Solved Correctly Questions With Solutions.
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Electrical Level 3 Module 1 Load Calculations and Branch Feeder Circuits Quiz
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Electrical Level 3 Module 1 Load Calculations and Branch Feeder Circuits Quiz_ 2022. 
According to the NEC®, the ampacity of branch circuit conductors must be derated when there are more than how many current-carrying conductors in a raceway? 
 
Air conditioning overcurrent protective devices can never exceed what percentage of the motor-rated load current or the branch circuit selection current (whichever is greater)? 
 
Conductors must be derated when installed in conduit 
 
Continuous load...
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Neiep 600 Final Exam Review 2023
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Zener current will decrease - ANSWER-Refer to figure 1. If the load resistance R2 is reduced by half what happens what happens to zener diode? 
 
4v - ANSWER-Refer to figure 1. The zener diode is designed to breakdown at 6VDC what is the voltage drop across R1 with a constant DC supply of 10VDC 
 
30 rpm - ANSWER-An elevators motor rotates at 1200 rpm at contract speed and is geard at a ratio of 40:1. If the motor turns 40 rpm the sheave turns 1 rpm. What is the actual speed of the drive sheave ...
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NCCER Electrical Level 3 Module 5 'Overcurrent Protection' exam(fully solved)(verified for accuracy)
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Worn motor bearings are most to result in a(n)___. 
continuous overload 
 
 
 
A high-level short circuit current may exceed ___. 
50,000A` 
 
 
 
Accidental contact between an electrical conductor and a grounded enclosure is called a(n)___. 
ground fault 
 
 
 
Most arcing faults begin as ___. 
ground faults 
 
 
 
A plug fuse with a hexagonal cap has a maximum amperage rating of ___. 
15A 
 
 
 
Under normal operation and at currents near its ampere rating, a fuse operates as a ___. 
conductor...
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NCCER Electrical Module 2 Level 2 Motors Theory and Application exam questions and answers
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How DC motors operate? 
Magnetic lines of force are continuous and always form closed loops; Magnetic lines of force do not cross. 
 
 
 
Armature: (Definition) 
The rotating windings of a DC motor. 
 
 
 
The ____ is a movable electromagnet located between the poles of another fixed permanent (field) magnet as shown. 
Armature 
 
 
 
A twisting force called ______ must be developed. _____ is produced by mounting a loop in a fixed magnetic field and as long as the fields of the magnet and armatu...
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ABYC Marine Electrical Certification Exam Review Correct 100%
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circuit breaker mean? 
a. The breaker is inexpensive 
b. The breaker will have lots of nuisance trips 
c. The breaker will trip out regardless of conditions 
d. The breaker will only trip at 150% of its rated amperage 
 
b. 8 amps (E-11 Table XII Conductor Ampacity - Flexible Cords) - ANSWER maximum current carrying capacity for an flexible cord of 16 AWG with 2 current carrying conductors inside the engine spaces is 
a. 6 amps 
b. 8 amps 
c. 10 amps 
d. 20 amps 
 
c. only in one direction - ANS...
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ELECTRICAL LEVEL 3 MODULE 1 LOAD CALCULATIONS AND BRANCH FEEDER CIRCUITS
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According to the NEC®, the ampacity of branch circuit conductors must be derated when there are more than how many current-carrying conductors in a raceway? - correct answer 3 
 
Air conditioning overcurrent protective devices can never exceed what percentage of the motor-rated load current or the branch circuit selection current (whichever is greater)? - correct answer 225% 
 
Conductors must be derated when installed in conduit - correct answer on or above rooftops 
 
Continuous loads are cal...
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