ABYC, Electrical Exam - Study Guide Questions with verified
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detailed answers ||
The minimum amp circuit breaker that should be used to protect a 120V water heater
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circuit with a 1600 watt element would be rated at ________ amps.
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15 amps
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When testing for excessive EMF emission near a conductor or appliance, the tool of
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choice is a(n) ____________
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Gauss Meter ||
Thr primary problem with using a series circuit to supply multiple loads is that?
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Voltage drop through the circuit will be excessive
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The most common electrical circuit problem in marine applications is a(n)
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____________
unwanted open ||
The primary by-product of excessive electrical resistance is ___________
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heat
, One horsepower is equal to ________ watts
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746
Excessive electrical resistance can be caused by?
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undersized wire, loose connections, and corrosion
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The tool of choice for tracing shorted and open circuits is the ________.
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TDR (Time Domain Reflectometer)
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What material is recommended for clamping conductors over egines and moving
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machinery?
Metal (w/ insulated inserts)
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What is the acceptable minimum clearance for routing wire near a DRY exhaust
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section?
9in (225mm)
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The maximum number of terminals allowed to be attached to any one terminal stud is
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______.
||
4
|| || || || || || || || ||
detailed answers ||
The minimum amp circuit breaker that should be used to protect a 120V water heater
|| || || || || || || || || || || || || || ||
circuit with a 1600 watt element would be rated at ________ amps.
|| || || || || || || || || || ||
15 amps
||
When testing for excessive EMF emission near a conductor or appliance, the tool of
|| || || || || || || || || || || || || ||
choice is a(n) ____________
|| || ||
Gauss Meter ||
Thr primary problem with using a series circuit to supply multiple loads is that?
|| || || || || || || || || || || || ||
Voltage drop through the circuit will be excessive
|| || || || || || ||
The most common electrical circuit problem in marine applications is a(n)
|| || || || || || || || || || ||
____________
unwanted open ||
The primary by-product of excessive electrical resistance is ___________
|| || || || || || || ||
heat
, One horsepower is equal to ________ watts
|| || || || || ||
746
Excessive electrical resistance can be caused by?
|| || || || || ||
undersized wire, loose connections, and corrosion
|| || || || ||
The tool of choice for tracing shorted and open circuits is the ________.
|| || || || || || || || || || || ||
TDR (Time Domain Reflectometer)
|| || ||
What material is recommended for clamping conductors over egines and moving
|| || || || || || || || || || ||
machinery?
Metal (w/ insulated inserts)
|| || ||
What is the acceptable minimum clearance for routing wire near a DRY exhaust
|| || || || || || || || || || || || ||
section?
9in (225mm)
||
The maximum number of terminals allowed to be attached to any one terminal stud is
|| || || || || || || || || || || || || ||
______.
||
4
