The most common C. Unwanted open
electrical circuit problem
in marine applications is:
A. Short circuits
B. Too much continuity
C. Unwanted open
D. Inter circuit Short
The primary by-product D. Heat
of excessive electrical
resistance is:
A. Increased Amperage
B. Increased Voltage
C. Reduced Ambient
Temperature
D. Heat
One HP = how many 1 HP = 746 Watts
watts?
What is the preferred D. TDR (time-domain reflectometer)
tool for tracing shorted
and open circuits?
A. Ohm meter
B. Amp clamp
C. Volt meter
D. TDR (time-domain
reflectometer)
A technician is installing a 0 AWG
cable run from the
batteries to the main DC
panel board on a boat as
part of a refit. The boat
has a 12-volt system and
the distance form the
panel to the batteries is
15 ft. The maximum
current draw from the
panel is calculated at 90
amps. What guage cable
should be used
(minimum)?
DC grounded Yellow
conductors on new boats
that are also equipped
with AC systems should
use what color insulated
wire?
What is the smallest 16 AWG
guage wire allowed for
unsheathed wire runs
through the boat?
T or F: Compared to False. Start batteries have a greater number of
deep cycle (house) thinner plates within each cell.
batteries, cranking
batteries will have thicker
lead plates to facilitate
the higher, short-duration
current draws.
Which type of battery Cranking
generally recharges
faster? Deep cycle or
cranking?
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