Transformers Study guides, Class notes & Summaries
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NETA 3 exam 2023 with 100% correct answers
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Power-factor or dissipation-factor tip-up tests on large dry-type transformers that exceed ______ percent should be investigated 
1 
 
 
 
A switch or circuit breaker enclosure may be used as a raceway if the conductor fill does not exceed % 
40 
 
 
 
The Ferranti effect is experienced on a long overhead transmission line when it is 
Lightly loaded 
 
 
 
In fiber optic cables, a 50% reduction in signal strength is a loss of dBm 
3 
 
 
 
Non time delay fuses for the protection of wound rotors ...
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Att Test 3 Exam With 100% Correct Answers 2023
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Henry - The basic unit of inductance 
Contracts - If the circuit current decreases, the magnetic field of an inductor 
Concentrate a magnetic field - The inductor is used to 
varies - The physical appearance of inductors 
Print or color code - Inductors have the value of their inductive capacity by 
Air and iron - The common inductors are 
Core type - Inductors are commonly identified by their 
Capacitor leads - Which of the following is not a factor for setting the capac...
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TRANSFORMERS AND AC CIRCUITS 2023/24 UPDATED(SOLVED)
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The potential difference induced across a coil depends on the number of turns in the coil and on the _________. 
rate at which the magnetic field changes 
 
 
 
Which law states that the current in a conductor is proportional to the potential difference across it? 
Ohm's Law 
 
 
 
The number of cycles produced in one complete revolution of the rotor in an alternator equals ______ the number of poles. 
half 
 
 
 
To find the root mean square, you calculate the square root of the mean of all th...
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WA UST Site Assessor Exam Questions and Answers 2023 with complete solution
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WA UST Site Assessor Exam Questions and Answers 2023 with complete solution 
 
What is the hold time for soil and preserved GW GRO samples? Ans 14 days 
 
Is an ICC certification needed to install an AST? Ans No 
 
Flammability limits of gasoline Ans 1.4 to 7.6% 
 
How many days do you have from a tank closure to report/provide the UST checklist to ECY? Ans 30 days 
 
MTCA Method A lead CUL, soil Ans 250 mg/kg 
 
MTCA Method A lead CUL, GW Ans 15 ug/L 
 
Is the vadose zone saturated or uns...
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16 MAY 2023 EXAM ANSWERS - COMPANY LAW LML4806
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QUESTION 1 [20] 
1.1 The Memorandum of Incorporation of Generators Unlimited (Pty) Ltd provides that only the 
board of directors, or any director authorised by the board, has the power to conclude contracts 
on behalf of the company. It also states that any transaction that exceeds R10 million must first 
be authorised by the company’s shareholders at a general meeting by way of an ordinary 
resolution. One of the directors, Nthabiseng, is authorised by the board of directors to conclude 
con...
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Chapter 19: Care of Patients with Cardiac Disorders deWit: Medical-Surgical Nursing: Concepts & Practice, 3rd Edition
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MULTIPLE CHOICE 
 
1.	The nurse is caring for a patient with suspected right-sided heart failure. Which manifestation best supports this potential diagnosis? 
a.	Wheezing 
b.	Orthopnea 
c.	Edema 
d.	Pallor 
 
ANS: C 
Right-sided heart failure leads to edema from systemic backup. Wheezing, orthopnea, and pallor are indicative of left-sided failure. 
PTS:1	DIF: Cognitive Level: Comprehension	REF: 426, Table 19-2 
OBJ:1 (theory)	TOP: Heart Failure: Right Side 
KEY: Nursing Process 	Step: Assessment...
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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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Neiep Transformers Year 2 Review Questions (410) 100% correct answers
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Inductance - correct answer is the property of the coil of a wire that opposes a change in current in an electromagnetic device 
 
False (Len's Law) States - correct answer (True/False) Ohm's Law states that when voltage is initially applied to a coil, the induced voltage opposes the source voltage. 
 
Low - correct answer When voltage is initially applied to a coil, current is 
 
Counter EMF - correct answer The induced voltage that opposes any change in current is called 
 
Greatest - c...
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Neiep Transformers Year 2 Review Questions (410) with correct answers
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Inductance correct answersis the property of the coil of a wire that opposes a change in current in an electromagnetic device 
 
False (Len's Law) States correct answers(True/False) Ohm's Law states that when voltage is initially applied to a coil, the induced voltage opposes the source voltage. 
 
Low correct answersWhen voltage is initially applied to a coil, current is 
 
Counter EMF correct answersThe induced voltage that opposes any change in current is called 
 
Greatest correct answersC...
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TFM 12 Fire Alarm Technical Exam with Accurate Solutions 2023
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Does a fire hood system and a kitchen need to be monitored by the fire alarm system? - Yes 
 
What does P.L.F.A stand for? - Power Limited Fire Alarm 
 
What does N.P.L.F.A stand for? - Non-Power Limited Fire Alarm 
 
What is the difference between P.F.L.A and N.P.F.L.A? - 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 and power limited by a listed power source. 
 
What material must N.P.F.L.A circuit conductors be made from? - ONLY solid...
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