Circuit breaker Study guides, Class notes & Summaries
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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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Electric Heat ESCO - HVAC Excellence Exam
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Before working on an electric furnace the tech should - ans-Review diagram, remove jewelry, and follow safety procedures. ALL OF THE ABOVE. 
 
A GFCI circuit breaker - ans-detects current leaks to groound 
 
the conductor in an electric heat element is usually made of - ans-Nichrome 
 
An example of resistive load is - ans-crankcase heater 
 
an example of an inductive load is - ans-motor 
 
an electric furnace is marked 208/230 single phase 60Hz A tech reads 200 vac at the p...
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SEP flight attendant (Air Canada) Questions and Answers Already Passed
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SEP flight attendant (Air Canada) 
Questions and Answers Already Passed 
 
What is the goal of an IFSO(in-flight security officer) ? there training is desiganted to 
educate them on normal, abdnormal and emergency procedures. Distinguish crew actions in any 
non-security scenario. And prevent the aircraft from beung taken over unauthorized people. 
 
A serial killer is allowed on board as a prisoners only if they are accompanied by an escorting 
peace officer. TRUE or FALSE FALSE. prisoners are ...
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Michigan Journeyman Test | 2023 | 75 Questions with 100% Correct Answers | Updated & Verified
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There are six conductors in a race way connected to 75° C rated circuit breaker. Each wire has a 
70 amp load using THHM conductors. The minimum size conductors used our 
#_________AWG - 4 
Thermal insulation shall not be installed within _________inches of recessed lighting fixtures - 
3 
A 1 inch conduit contains three wire circuits or a phase system. All conductors are number 10 
TW. Each circuit consist of two phase conductors and one grounding conductor and one 
equipment grounding conduct...
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NICET Level 1 inspection and Testing Exam 2024
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NICET Level 1 inspection and Testing Exam 2024 
When using a pulse load tester on a sealed lead acid battery, the minimum acceptable capacity 
is... -Answer-80% 
When a software change is made to a fire alarm system, what percentage of the initiating devices 
not affected by the change must be tested -Answer-10% 
When testing elevator recall, the elevator should go to the alternate level when: -Answer-The 
lobby smoke detector on the recall level is activated 
Minimum requirement for system docu...
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The electrical NCCER test Exam | Questions & 100% Correct Answers (Verified) | Latest Update | Grade A+
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Which Article of the NEC covers grounding? 
: article 250 
Which of the following is a 90 degree, explosion proof fitting? 
: GUAL 
What is a dropout plate? 
: Metal plate with a curved surface for cable to follow as it passes from the tray 
All of the following are common service voltages in the United States EXCEPT: 
: 372/575 3-PHASE, 4-WIRE 
What does a GFCI breaker do? 
: Opens a circuit to prevent operation of an electrical device 
What will happen when one or more coils in a winding are g...
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Michigan Journeyman test exam 2023 with 100% correct answers
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There are six conductors in a race way connected to 75° C rated circuit breaker. Each wire has a 70 amp load using THHM conductors. The minimum size conductors used our #_________AWG correct answers4 
 
Thermal insulation shall not be installed within _________inches of recessed lighting fixtures correct answers3 
 
A 1 inch conduit contains three wire circuits or a phase system. All conductors are number 10 TW. Each circuit consist of two phase conductors and one grounding conductor and one eq...
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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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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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ASE A6 Test Prep – Electrical/Electronic Systems - Questions, Answers and Explanations
- Exam (elaborations) • 16 pages • 2023
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ASE A6 Test Prep – Electrical/Electronic Systems - Questions, Answers and Explanations Adding an additional path through which the current can flow has decreased the total resistance of the circuit. Each light drops 12 volts. An ohmmeter is being used to check a circuit for continuity. Technician A says an infinity or full scale reading on an ohmmeter indicates no continuity. Technician B says a zero reading on an ohmmeter indicates continuity. Who is right? A. Technician A only B. Technician...
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