Insulation resistance - Study guides, Class notes & Summaries
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Electrician NCCER Test Questions and Answers Latest Updated 2024/2025 | Graded.
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Electrician NCCER Test Questions and Answers Latest Updated 2024/2025 | Graded. What is a dropout plate? Metal plate with a curve 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 grounded? The motor will 
automatically blow fuses 
eight in...
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ETA EM5 Comprehensive verified to pass 2024/2025
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ETA EM5 ComprehensiveOverheating - correct answer During the soldering process, what is the most common reason for circuit card assembly damage? 
 
Apply the iron to both the component lead and pad, paint solder on applicable component lead and pad, and remove iron. - correct answer Which of the following is the proper method to use when soldering a discrete component to a single-sided conductor pad, once flux is applied? 
 
Half its exposed length - correct answer When tinning a wire for sol...
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Virginia hic Exam Questions with Correct Answers.
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Virginia hic Exam Questions with Correct Answers. 
The MINIMUN length drywall screw for installing 1/2 inch gypsum board to wood studs 
is - Answer- 1 1/4 inches 
What is the MINIMUM breaking strength required of safety belt lanyards - Answer5,400 pounds 
What is the MINIMUM clearance that combustible insulation MUST other heatproducing devices - Answer- 1 inch 
What is the MAXIMUM flame spread index for insulation materials - Answer- 25 
The amount of water per sack of cement is what controls a...
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Elevator Mechanic Study Test 2024.
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Elevator Mechanic Study Test 2024. 
A Latching relay: Used for call registration,direction selection or as selector relays 
Two types are: Set/Rest are electrical and Mechanical Latching relays 
Need to know latching relay symbol, Its a box with shaded triangle in lower right hand corner. - ANSWER Which relay do you need to Order 
 
710 Pg, 7 
 
RPM = 60 ∙ ƒ ÷ P÷2 = 
Step 1. 60 x Frequency (Hz.) = 
Step 2. Poles ÷ 2 = 
Take answer 1 and ÷ by answer 2 = - ANSWER Know the formula for RPM ...
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NETA III 2024 QUESTIONS WITH CORRECT SOLUTIONS
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NETA III 2024 QUESTIONS WITH 
CORRECT SOLUTIONS 
The alternate source for emergency systems are required to be equipped with ground-fault 
protection of equipment. -Answer-False 
Which ANSI/IEEE standard covers SF6 circuit breakers? -Answer-C37.04 
You measure the winding resistance of a 12.4kV, 1000kVA, Delta-Delta connected transformer 
with a 100A test set. H1-H2 measures 42.0 microhms, H2-H3 measures 41.9 microhms, and H3- 
H1 measures 84.0 microhms. What can you conclude from these readings...
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CWEA E/I Level 4 With Complete Solutions Graded A+ Latest Update
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1. What is the main electrical danger when using power tools? 
a. Excessive heat 
b. Low-resistance grounding 
c. Over-current 
d. Short circuit -️️ d. Short circuit 
2. What is the most important feature for adequate equipment grounding? 
a. Insulation 
b. Low current 
c. Low-impedance path 
d. Over-current devices -️️ c. Low-impedance path 
3. An explosion-proof enclosure: 
a. can withstand and contain an internal explosion. 
b. can withstand an external explosion. 
c. is identical to ...
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PHYS 1260 Exam 1 DeWitt questions and answers graded A+
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Electrostatics 1 
 
1)	Just as "gravity" is the study of a wide range of gravitational interactions, "electricity" is the study of a wide range of 
A)	electrical charges. 
B)	electrical forces. 
C)	electrical interactions. 
D)	none of the above 
 
2)	Electrostatics is a branch of electricity that focuses on A) electrical charge. 
B)	electrical force. 
C)	both of these when static. 
D)	none of the above 
 
3)	The force that binds atoms together to form molecules is 
A)	gravitational. 
B)	nucl...
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CCDS IBHRE Exam Test With Complete Solution 2023-2024
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Rheobase - the lowest point on a strength duration curve at an infinitely long pulse duration 
 
Chronaxie time - the pulse width at twice the rheobase value. It approximates the most efficient stimulation pulse duration 
 
Charge (formula) - Charge= I(current) x T(time) 
 
Furman's formula - Energy(microjoules)= I(current)xV(voltage)xT(pulse width) 
 
Ohms law formula - Voltage(electromotive force)= I(current/flow of electrons) x R(resistance to current flow in ohms) 
 
Functional Refractory P...
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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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Asbestos Building Inspector Complete Questions And Answers 2023 Test
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Asbestos Building Inspector Complete Questions And Answers 2023 Test 
Characteristics of asbestos mineral -Naturally occurring 
-Thermal properties (heat stability, thermal, electrical and acoustic insulation) 
-Resistance to chemical, thermal and biological degradation 
-Absorption capacity 
- Tensile strength 
 
What type of asbestos is the fibrous serpentine Chrysotile (white asbestos)- Most common type found in schools 
 
Two categories of asbestos minerals and their characteristics 1. Serpe...
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