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ABYC Electrical Exam Questions And Accurate Answers
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ABYC Electrical Exam Questions And Accurate AnswersThe minimum amp circuit breaker that should be used to protect 120V water heater
circuit with a 1600-watt element would be rated at _________ amps.
A. 15
B. 10
C. 20
D. 30 - Answer A. 15
When testing for excessive EMF emissions near a conductor or appliance, the tool of
choice is a(an):
A. Ohmmeter
B. DVOM
C. Gauss meter
D. infrared sensor - Answer C. Gauss meter
The big disadvantage of using a series circuit to feed multiple loads is that:
A. voltage drop will be excessive
B. the capacitance will be excessive
C. amperage draw will be multiplied
D. the overcurrent protection device may not work - Answer A. voltage drop across
each load will be excessive
The most common electrical circuit problem in a marine application is:
A. short circuits
B. too much continuity
C. unwanted open
,D. intercircuit short - Answer C. unwanted open
The major by-product of excessive electrical resistance is:
A. increased amperage
B. increased voltage
C. reduced ambient temperature
D. heat - Answer D. heat
One horsepower is equal to ______.
A. 1000 watts
B. 746 watts
C. 536 watts
D. 146 watts - Answer B. 746 watts
Excessive electrical resistance may be created by __________.
A. conductors that are oversized, loose terminals, and corrosion.
B. improper insulation on the wire and an excessive number of strands of wire in the
conductor.
C. too high of rated fuses and too low of wattage.
D. undersized wire, loose connections, and corrosion. - Answer D. undersized wire,
loose connections, and corrosion.
The tool of choice for tracing shorted and open circuits is the:
A. Megohmeter
B. Amp clamp
C. potential meter
D. TDR - Answer D. TDR
, Pursuant to ABYC, what should be used to clamp the conductors over engines and
moving machinery?
A. PVC
B. Nylon
C. Metal
D. Any of the above material - Answer C. Metal
What is the minimum clearance for routing wire near a dry exhaust section according to
ABYC?
A. 2 in
B. 9 in.
C. 3 in
D. 7 in - Answer B 9 in
What is the maximum number of terminals that are allowed to be attached to any one
terminal stud according to ABYC?
A. 1
B. 2
C. 3
D. 4 - Answer D. 4
How many amps of current should flow within a DC grounding conductor for a 25 amp
DC motor circuit?
A. 25 amps
B. 0 amps
C. 10 amps
D. 5 amps - Answer B. 0 amps
Conductor of 10 AWG and larger shall be permitted to be connected in
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