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ABYC Electrical Exam With Correct Detailed Answers.
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ABYC Electrical Exam With Correct Detailed Answers.
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ABYC Electrical Exam With CorrectDetailed Answers.
Which tool is most approprite to clean battery connections?
A.
B.
C.
D. - ANSWER-
The 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 primary problem with using a series circuit to supply 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 primary by-product of excessive electrical resistance is:
A. increased amperage
B. increased voltage
C. reduced ambient temperature
D. heat - ANSWER- D. heat
One horsepower equals ______.
, A. 1000 watts
B. 746 watts
C. 536 watts
D. 146 watts - ANSWER- B. 746 watts
Excessive electrical resistance can be caused by __________.
A. oversized conductors, loose terminals, and corrosion.
B. improper wire insulation and excessive wire strand count.
C. fuses with too high of a rating and wattage that is too low.
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
What material is recommended for clamping conductors over engines and moving
machinery according to ABYC?
A. PVC
B. Nylon
C. Metal
D. Any of the above material - ANSWER- C. Metal
According to ABYC, acceptable minimum clearance for routing wire near a dry exhaust
section is:
A. 2 in
B. 9 in.
C. 3 in
D. 7 in - ANSWER- B 9 in
The maximum number of terminals allowed to be attached to any one terminal stud
based on ABYC is:
A. 1
B. 2
C. 3
D. 4 - ANSWER- D. 4
How much current should flow through the DC grounding conductor in a 25 amp DC
motor circuit?
A. 25 amps
B. 0 amps
C. 10 amps
D. 5 amps - ANSWER- B. 0 amps
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