Exam (elaborations)
ABYC Electrical 2 Exam Questions and Answers
- Course
- Institution
ABYC Electrical 2 Exam Questions and Answers
[Show more]
Seller
Follow
millyphilip
Reviews received
Content preview
ABYC Electrical 2 Exam Questions andAnswers
D - Answers -ABYC standard ________ applies to inverters
A. E-2
B. A-27
C. A-28
D. A - 31
A - Answers -A true RMS voltmeter is required to accuralty check output voltage from
a(n):
A. non-sinusoidal output inverter
B. Isolation transformer
C. Inverter DC input
D. Galvanic isolator
C - Answers -An AC voltmeter is required at the panel if the boat is equipped with:
A. A DC windlass
B. An AC- powered water heater
C. An inverter
D. AC- powered reading lamps
C - Answers -All of the following could cause a conductor to overheat except.
A. Undersized conductor
B. Excessive Amperage
C. Insulation temp rating too low
D. Corroded connector
A - Answers -Tech A says that AC and DC are able to run together down the same
conductor. Tech B says that this is technically impossible which tech is correct?
A. Tech A
B. Tech B
C. Both techs
D. Neither tech
,D - Answers -To check for charger output to the battery de-enegize charger check
batter open - circuit voltage re-energize the charger and check for a voltage ________V
DC or more Conductance tester
A. Rise of 14
B. Drop of 0.5
C. Drop pf 14
D. Rise of 0.5
C - Answers -The tool of choice for testing AC generator winding insulation integrity is a:
A. TDR
B. Fox and hound
C. Megohmmeter
D. Clamp - type ammeter
B - Answers -On a brushless generator a possible cause for low AC voltage output
under load could be:
A. High engin RPM
B. Faulty exciter winding diode rectifier
C. Faulty output circuit breaker
D. Excessively high DC voltage supply
A - Answers -All of the following could cause an overheated electrical connection
except:
A. Conductor with an excessively high insulation temperature rating
B. Loose terminal connection
C. Corroded connection
D. Undersized conductor for the load demand
B - Answers -When trouble shooting AC appliances and equipment for safety
considerations the tech should do all of the following except
A. Use lock out and tag out procedures
B. By-pass over current devices when possible
C. De-enegrgize the circuit whenever possible
D. Not wear jewelry
C - Answers -For Charging the battery, the alternator produces alternating current that
must be changed to direct current by the.
A. Solenoid
B. Starter
C. Rectifier
, D. Voltage regulator
C - Answers -On an inverter that does not provide a true sine wave output, low voltage
troubleshoots must be accomplished using a(n) _________________ type DVOM
A. Analog
B. Average responding
C. True RMS
D. Oscillating
A - Answers -A tech is installing the cable run from the batteries to the main DC
pannelboard on a boat as part of a refit. The boat has a 12-volt system, and the
distance from panel to batteries is 15ft. The max current draw from panel is calculated
at 90 amps. what gauge cable should you use?
A. 0AWG
B. 2AWG
C. 4AWG
D. 6AWG
A - Answers -Based on the material within section 11, high frequency transformers
typically run ______ than traditional transformers.
A. Cooler
B. Hotter
C. Faster
D. Slower
B - Answers -If an isolator is used in a battery charging system, regulator voltage
sensing should be at the ________ to insure batteries are charged appropriately.
A. Batter charger output
B. Batteries
C. Alternator output
D. Isolator input
A - Answers -A reverse polarity indicator should be connected between
A. Neutral and ground
B. AC ground and DC neg
C. Hot and ground
D. Hot and neutral
C - Answers -According to the ABYC the minimum size of primary conductor in a
lightning production system is
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller millyphilip. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for CA$18.04. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
79373 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now