Transformers are rated in Study guides, Class notes & Summaries
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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 maxim...
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NCCER LEVEL 3 Module 7 Exam 2023 With 100% Correct Answers
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Conductors connected to the high leg of a four-wire delta system be color-coed with what color of insulation or tape? -correct answer -Orange (NEC Section 110.15) 
 
Dry-type transformers rated at 112.5kVA or less may be located out in the open provided they are separated from combustible material by a distance of ____. -correct answer -12" 
 
If the power factor is improved by the addition of a capacitor, the motor running overcurrent device must be selected based on the ___. -correct answer -r...
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BOMA – HVAC QUESTIONS AND ANSWERS 100% PASS
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BOMA – HVAC QUESTIONS AND 
 
ANSWERS 100% PASS 
 
Two basic categories of chillers are the 
compression cycle and absorption 
The five requirements for comfort are proper temperature, humidity, filtration, and ventilation 
circulation 
The primary function of an expansion device is to 
produce a reduction in the pressure on the liquid refrigerant, regulate the flow of refrigerant into 
the evaporator, lower the boiling point of the refrigerant far enough below the temperature of the 
load to g...
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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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TFM 12 Fire Alarm Technical Test with 100% Correct Answers REVISED & VERIFIED 2023//2024
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TFM 12 Fire Alarm 
Technical Test with 
100% Correct Answers 
REVISED & VERIFIED 
2023//2024 
Does a fire hood system and a kitchen need to be monitored by the fire alarm system? - 
ANSWER Yes 
What does P.L.F.A stand for? - ANSWER Power Limited Fire Alarm 
What does N.P.L.F.A stand for? - ANSWER Non-Power Limited Fire Alarm 
What is the difference between P.F.L.A and N.P.F.L.A? - ANSWER an N.P.L.F.A can 
operate at up to 600v, and the power output isn't limited 
a P.L.F.A has the voltage ...
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TFM12 Test with 100% Correct Answers REVISED & VERIFIED 2023//2024
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TFM12 Test with 
100% Correct Answers 
REVISED & VERIFIED 
2023//2024 
What is used to protect transformers or other devices supplied from power-supply 
conductors? - ANSWER A. An overcurrent device not rated over 20 Amperes. 
What does PLFA stand for? - ANSWER Power Limited Fire Alarm 
What does NPLFA stand for? - ANSWER Non-Power Limited Fire Alarm 
What material must NPLFA circuit conductors be made from? - ANSWER Solid or 
stranded copper 
What is a single station detector? - ANSWER Batt...
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NERC Prep - Bal, Int, & Trans Exam Questions and Answers 2023-2024 Graded A+
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NERC Prep - Bal, Int, & Trans Exam Questions and Answers Graded A+. What group can approve a change in the 
Disturbance Recovery Period for an Interconnection? 
a. NERC Interconnection Working Group 
b. NERC Operating Committee 
c. NERC Regional Council 
d. NERC Disturbance Analysis Working Group 
c. Check targets and equipment - What is the first thing an operator should do after 
a relay operation? 
a. Check power system stabilizers 
b. Notify adjacent Transmission and Balancing areas 
c. Che...
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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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Fire Alarm TFM12 Questions And Answers
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What does PLFA stand for? - Answer- Power Limited Fire Alarm 
 
What does NPLFA stand for? - Answer- Non Power Limited Fire Alarm 
 
What material must NPLFA circuit conductors be made from - Answer- Only solid or stranded copper is permitted 
 
What is a single station detector? - Answer- Battery powered smoke detectors that do not communicate off premises. 
 
What is a multiple station detector? - Answer- Mains powered smoke detectors with battery backup that are linked together, so that if on...
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Toledo journeyman test | 199 Questions and Answers 100% Correct
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Toledo journeyman test | 199 Questions and Answers 100% Correct
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