ABYC Electrical Exam
1. Which tool is most approprite to clean battery connections?
A.
B.
C.
D.:
2. 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
3. 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
4. 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
5. 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
,6. The primary by-product of excessive electrical resistance is:
A. increased amperage
B. increased voltage
C. reduced ambient temperature
D. heat: D. heat
7. One horsepower equals .
A. 1000 watts
B. 746 watts
C. 536 watts
D. 146 watts: B. 746 watts
, 8. 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.
9. The tool of choice for tracing shorted and open circuits is the:
A. Megohmeter
B. Amp clamp
C. potential meter
D. TDR: D. TDR
10. What material is recommended for clamping conductors over engines and
moving machinery according to ABYC?
A. PVC
B. Nylon
1. Which tool is most approprite to clean battery connections?
A.
B.
C.
D.:
2. 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
3. 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
4. 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
5. 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
,6. The primary by-product of excessive electrical resistance is:
A. increased amperage
B. increased voltage
C. reduced ambient temperature
D. heat: D. heat
7. One horsepower equals .
A. 1000 watts
B. 746 watts
C. 536 watts
D. 146 watts: B. 746 watts
, 8. 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.
9. The tool of choice for tracing shorted and open circuits is the:
A. Megohmeter
B. Amp clamp
C. potential meter
D. TDR: D. TDR
10. What material is recommended for clamping conductors over engines and
moving machinery according to ABYC?
A. PVC
B. Nylon