Transformer Study guides, Class notes & Summaries
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CWEA E/I Level 3 Questions and Answers 100% Correct
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CWEA E/I Level 3 Questions and Answers 100% CorrectCWEA E/I Level 3 Questions and Answers 100% Correct 
If the potential difference across the coil is low, the coil will: 
A-draw too much current 
B-become too hot 
C-Produce too much magnetic force 
D-not heat up - ANSWER-D-not heat up 
 
The NEC identifies environments that contain flammable vapors and gases as which class of hazardous location? 
A-Class I 
B-Class II 
C-Class III 
D-Class IV - ANSWER-A-Class I 
 
Which of the following reduce...
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APT4801 ASSIGNMENT 6 2023 (TEST NO 6)
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APT4801 Assignment 6 2023 (TEST NO 6) 100% TRUSTED workings, explanations and solutions. For assistance call or whatsapp us on +25479 811 9845 . 
QUESTION 1 [22] 
Three-zone mho relays are used for transmission line protection of the power system shown in figure 1 
The line impedances are 
Line 1 – 2: j60 
Line 2 – 3: j40 
Line 2 – 4: j70 
The rated voltage for the HV buses is 400 kV. The CT and VT ratios at B12 are 2 000/1 and 3 600/1, 
respectively. 
Figure 1 power netwo...
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S-12 CITYWIDE SPRINKLER SYSTEMS, S12 sprinkler test Spring 2023.
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Certificate of Fitness for Citywide Sprinkler Systems (S-12) 
S-12 CITYWIDE SPRINKLER SYSTEMS, S12 sprinkler test Spring 2023. 
 
THE __________ IS RESPONSIBLE TO MAINTAIN SPRINKLER SYS. AND TO DETERMINE QUALIFICATIONS. 
 
RECORDS OF ALL INSPECTIONS AND MX SHALL BE MAINTAINED ON PREMISES FOR A MIN. OF __________ YEARS. 
 
THE BUILDING OWNER SHALL ASSIGN A(N) ____________ TO COMPLY WITH REQUIREMENTS. 
 
REGULAR MX AND MINOR REPAIRS NOT AFFECTING MORE THAN ________ FLOOR(S) ARE CONSIDERED PLANN...
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Vivint Smart Home Pro Final Exam Questions WITH 100% CORRECT Answers 2023
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Vivint Smart Home Pro 
Final Exam Questions WITH 
100% CORRECT Answers 2023 
12-24v - ANSWER What is the input voltage range of the Doorbell Cam? 
16.5 VAC - ANSWER What is the output voltage of the transformer used to power the 
SkyControl panel? 
true - ANSWER True or False: When programming a sensor into the sky panel you can 
type in the serial number or "learn" it in by triggering the device 
2 - ANSWER When programming a DW21, which loop number is used? 
1 
2 
3 
beans and wire caps ...
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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....
Too much month left at the end of the money?
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Vivint Smart Home Pro Final Exam Questions and Answers 2023 with complete solution
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Vivint Smart Home Pro Final Exam Questions and Answers 2023 with complete solution
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NABCEP PV ASSOCIATE EXAM QUESTIONS & ANSWERS 2023/2024
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NABCEP PV ASSOCIATE EXAM QUESTIONS & ANSWERS 2023/2024 
 
An off-grid installation has a 1HP pump that is on 10% of the time and a 20W light that is on 100% of the time. What is the monthly energy use? - ANSWER-68KWh 
1HP = 746W 
746W * 0.1 * 24hours * 30days = 53712Wh 
20W * 24hrs * 30days = 14400Wh 
14400 + 53712 = 68112Wh 
68kWh 
 
What kind of ground faults do most inverters detect? - ANSWER-DC 
Inverters detect dc ground faults. AC ground faults are detected on the AC side of the inverter a...
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NERC Final Assessment Exam Correct answers (Already GRADED A)
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When using a dynamic schedule and the energy profile in an hour is >250 MW and the actual hourly integration deviates from the hourly energy profile by ____ the tag must be modified. 
A. 100 MW 
B. 10% 
C. 50 MW 
D. 25% 
B. 10% 
 
 
Dry steam plants, flash steam plants, and binary cycle power plants are the three main types of what kind of generating plant? 
A. Nuclear generators 
B. Combustion turbine generators 
C. Geothermal generators 
D. Hydroelectric generators 
C. Geothermal generators...
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AQA AQA GCSE PHYSICS 8463/1H Paper 1 Higher Tier Version: 1.0 Final *JUN2384631H01* IB/M/Jun23/E6 8463/1H QUESTION PAPER & MARKING SCHEME/ [MERGED] Marl( scheme June 2023
- Exam (elaborations) • 58 pages • 2024
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AQA 
GCSE 
PHYSICS 
8463/1H 
Paper 1 Higher Tier 
Version: 1.0 Final 
*JUN2384631H01* 
IB/M/Jun23/E6 8463/1H 
For Examiner’s Use 
Question Mark 
1 
2 
3 
4 
5 
6 
7 
8 
9 
TOTAL 
Thursday 25 May 2023 Morning Time allowed: 1 hour 45 minutes 
Materials 
For this paper you must have: 
• a ruler 
• a scientific calculator 
• the Physics Equations Sheet (enclosed). 
Instructions 
• Use black ink or black ball-point pen. Pencil should only be used for drawing. 
• Fill in the boxes at the...
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Oil burner License Study Guide (Massachusetts) Questions and Answers
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What are the 3 funtions of an Oil Burner nozzle? - Answer- Atomize, Meter, Patter. 
 
What are the 2 voltage circuits of a primary control? - Answer- Line & Low. 
 
What is the function of a fuse? - Answer- Protect circuit. 
 
What is the High Limit cut out? - Answer- Max safe Temp or Pressure setting. 
 
What is the High Limit cut in? - Answer- Cut out minus Differential. 
 
What is the "Max" Lockout time for a burner with a 3 GPH Flow Rate? - Answer- 45 Seconds. 
 
What is the minimum stack ...
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