ABYC Electrical Exam 1 Questions with 100%
Correct Answers
Which tool is most approprite to clean battery connections?
A.
B.
C.
D.
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
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
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
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
C. unwanted open
The primary by-product of excessive electrical resistance is:
A. increased amperage
B. increased voltage
C. reduced ambient temperature
D. heat
D. heat
One horsepower equals ______.
A. 1000 watts
B. 746 watts
C. 536 watts
D. 146 watts
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.
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
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
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
Correct Answers
Which tool is most approprite to clean battery connections?
A.
B.
C.
D.
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
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
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
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
C. unwanted open
The primary by-product of excessive electrical resistance is:
A. increased amperage
B. increased voltage
C. reduced ambient temperature
D. heat
D. heat
One horsepower equals ______.
A. 1000 watts
B. 746 watts
C. 536 watts
D. 146 watts
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.
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
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
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
