Exam Review
170 °F - ✔ ✔ Hydraulic system components shall not be installed in
areas where operating temperature exceeds _____ °F
D. Vessel Type (sail v. power) - ✔ ✔ On a mechanical cable over
sheave steering system, attachment of the cable clamps (bulldog) must
take into account all of the following EXCEPT:
A. Cable Size
B. Orientation of the clamp
C. Location of the clamp
D. Vessel Type (sail v. power)
-22 °F to +158 °F - ✔ ✔ What is the design operating temperature
range for CO detectors?
No longer than 6 minutes - ✔ ✔ If a CO detector alarm can be
muted, for how long will the mute last?
True - ✔ ✔ T or F: A CO detector must be installed on all boats with
an enclosed accommodation space
C. Propeller material - ✔ ✔ Which of the following is NOT
considered when installing a new bow thruster?
A. Over-current protection
,B. Battery disconnect switch
C. Propeller material
D. Bonding
D. is supplied by a circuit that uses a fuse or lock-out equipped circuit
breaker - ✔ ✔ According to ABYC A-24, a CO monitor should be
installed so that it:
A. can be turned off and on with the main electrical panel supply
breaker
B. can be equipped with an on/off switch
C. can never be turned off
D. is supplied by a circuit that uses a fuse or lock-out equipped circuit
breaker
C. Type of Vessel (sail or power) - ✔ ✔ When installing a windlass,
considerations should be given to all of the following EXCEPT:
A. Overcorrect protection
B. Battery disconnect switch
C. Type of Vessel (sail or power)
D. Deck construction and support
Class A Fire - ✔ ✔ What type of fire (class A, B or C) occurs with
combustible materials such as wood, cloth, paper, rubber, FRP, etc?
Class C Fire - ✔ ✔ What type of fire occurs in energized electrical
equipment? (Class A,B or C)
,Class B Fire - ✔ ✔ What type of fire occurs with flammable liquid,
oils, grease, and gasses? (Class A,B or C)
True - ✔ ✔ T or F: Boats under 26 feet may be equipped with a
bucket on a lanyard in lieu of a Class A fire extinguisher.
True - ✔ ✔ T or F: Diesel machinery (engines, generators, and
blowers) installed in protected spaces on gasoline boats shall be
automatically shut down upon discharge of a fixed fire extinguishing
system.
3 (outside engine compartment, steering position, and galley or
passenger cockpit) - ✔ ✔ How many portable (USCG Type B-1) fire
extinguishers must be present on a boat which is between 26' and 40'
in length?
A-4 (table IV) - ✔ ✔ What ABYC standard lists minimum clean agent
fire extinguisher sizes for flooding various engine compartment sizes?
True - ✔ ✔ T or F: Water is likely to be the most effective
extinguishing agent for Type "A" fires
True - ✔ ✔ T or F: when drenching a type A fire, it is recommended
to open up the combustibly material to expose during embers and re-
drench or throw overboard.
A. Engine compartment volume - ✔ ✔ Which of the following are
important when selecting a permanently installed engine room gaseous
fire-extinguishing system?
A. Engine compartment volume
B. Horsepower
, C. Fuel type
D. Hull material
Dial Indicator - ✔ ✔ What tool is used to measure shaft run-out
Micrometer or Caliper - ✔ ✔ What tool is used to measure wire
rope size or shaft diameter?
1 Bar = 14.7 PSI - ✔ ✔ What is atmospheric pressure at sea level in
bar and PSI?
True - ✔ ✔ T or F: Gasoline fuel tanks may not be integral with hull
or boat structure, but diesel tanks may.
Must be less than 20 gallons, cylindrical with a domed head. - ✔ ✔
If a gasoline tank is made of stainless steel, what are the ABYC
requirements for the design of such a tank?
American Standard Taper Pipe Thread (NPTF) - ✔ ✔ What standard
is to be used for threaded connections into a gasoline fuel tank?
500 - 600 microns - ✔ ✔ What is ther allowable range (in microns)
for a fuel strainer installed at the end of a pick-up line inside a gasoline
fuel tank?
Must isolate non-galvanically compatible materials with 300 series
stainless steel bushing. - ✔ ✔ What precaution must be undertaken
when installing a brass fitting into an aluminum fuel tank?
True - ✔ ✔ T or F: It is permissible to use the grounded conductor
from a fuel tank sender unit as the grounding (bonding) conductor for
the tank.