Exam (elaborations)
ABYC EXAM QUESTIONS AND ANSWERS 2024
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Exam of 6 pages for the course Abyc at Abyc (ABYC EXAM)
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ABYC EXAMrequire on all wet exhaust system - answeran indicator of loss of exhaust cooling water
is
1" - answerthe lowest point of a self-bailing cockpit sole shall be how high above the full
load water line
to prevent bilge pump cycling - answera check valve can be used in a bilge pump's
discharge line
length of discharge piping , number and radius of bends, and roughness of interior
surfaces of piping of fittings - answeras installed with a given head pressure, bilge pump
discharge capacity may be reduced by such factors as
when there is an enclosed accommodation compartment - answera high bilge water
alarm is required
a readily accessible manual switch is required - answerfor electric bilge pumps
installations that are equipped with an automatic switch
125 f - answera water system heater system must have a means of tempering the water
to
100 ppm - answeraccording to abyc a biologically contaminated portable water system
should be disinfected with a mixture of chlorine and water having a strength of at least
500 pounds - answerseacocks shall be installed so that the system will withstand a
static force of
a boat that meets level flotation performance criteria of abyc h8 - answerwhich of the
following would be exempted from requiring a seacock
be readily accessible - answerseacocks, when required, shall
seacock - answerabyc standards require that all piping, tubing or hose lines penetrating
the hull below the maximum heeled waterline be equipped with a
600 volts - answerwhen ax and dc conductors are run together or installed in the same
terminal box or enclosure on a generator, the dc conductors shall have a minimum
insulation voltage rating of
, 3% - answerconductors used for panelboard feeders navigation lights, bilge blowers
shall be sized for a voltage drop not to exceed
they must be rated for 2x the system voltage - answerwhich of the following is false
regarding galvanic isolators
sum of the rating of the main shore power disconnect circuit breakers - answerin dual
shore power cord application's using a single galvanic isolator, the current rating of the
galvanic isolator shall not be less than the
in a ventilated, dry, and accessible location - answerchargers and inverters shall be
installed
specified by the inverter manufacturer - answersince the operation of gfci devices is
dependent of the wave form of the AC source, GFCI devices installed in inverter output
circuits shall be
current and voltage - answerbattery chargers shall be selected and set, or adjusted, to
charge a battery or battery bank's at the appropriate
pass the 2-1/2 minute fire test - answerbattery chargers shall meet all of the following
requirements EXCEPT
point b - answerusing the diagram, when installing an inverter that is not ignition
protected aboard a vessel with gasoline inboard engines, the inverter should not be
located at
insolation transformer or shore power converter - answeraccording to ABYC A32, when
paralleling shore power and onboard power sources, the installation must include a/an
installed so as not to disturb water flow near intake and discharge fittings -
answeranodes used in cathodic protection systems shall be
at least 8 ga stranded copper wire, identified by the color green or green with a yellow
stripe - answercathodic bonding conductors may be
shall be bonded to the cathodic protection system - answerto minimize stray current
corrosion, metallic thru-hull fittings installed below the normal accumulation of bilge
water
-200mV - answeraccording to ABYC E-2, what is the minimum potential shift to achieve
full cathodic protection?
1 ohm - answerbased on ABYC E-2, the maximum acceptable resistance between the
protected metals in a bonding system and the sacrificial anode shall be no more than
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