ABYC ELECTRICAL 2 ACTUAL 2026 VERIFIED QUESTIONS AND
DETAILED ANSWERS GRADED A+
A
The primary problem with using a series circuit to supply
multiple loads is that:
A. Voltage drop through the circuit will be excessive
B. The capacitance will be excessive
C. Amp draw will be multiplied
D. Overcorrect protection device may not work
D
When testing a temp. Gauge, the tech removes the wire from
the engine sending unit and grounds it to the engine block. The
gauge then reads full scale. The gauge did not function before.
The problem is:
A. Bad wiring to the sending unit
B. A faulty gauge
C. A bad ground at the gauge
D. A faulty sending unit
B
, 2
Minimum battery receiver capacity allowed based on abyc
standards is:
A. 60min
B. 90min
C. 180min
D. 240min
D
The max # of terminals allowed to be attached to any one
terminal stud based on abyc is:
A. 1
B. 2
C. 3
D. 4
B
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
, 3
D. 5 amps
C
A customer complains that his generator will start from the
local control panel at the generator, but not from the remote
control panel at the helm location. Of the choices given, the
most probable cause would be:
A. Bad generator starter solenoid
B. Low voltage at the starter battery
C. Excessive voltage drop across the remote starter switch
D. Loose battery cable clamp at starter
B
Tech a says that a faulty circuit breaker could require an
overhaul. Tech b says that circuit breakers used in marine
applications must be replaced if found defective which tech is
correct?
A. Tech a
B. Tech b
C. Both depending upon circumstances
D. Neither
, 4
B
One horsepower equals how many watts?
A. 1,000 watts
B. 746 watts
C. 536 watts
D. 146 watts
C
When testing for excessive emf emission near a conductor or
appliances the tool of choice is a(n)
A. Ohmmeter
B. Dvom
C. Gauss meter
D. Inferred sensor
A
The most common tool used in a corrosion survey is a(n)
A. Portable hull potential meter
B. Ohmmeter with a 1-ohm scale
C. Infared sensor
D. Tdr