ABYC Practice Questions with verified answers
-22 to 185 H32.6.1 Ans✓✓✓-Non-metallic materials for diesel ventilating
components installed below deck shall be capable of continuous exposure to a
temperature range of -__ degrees to ___ degrees Fahrenheit without failure.
1 - 3 drops per minute. Diesel Study Guide, Chapter 7 Ans✓✓✓-What is an
acceptable drip rate for a traditional stuffing box?
1 1/2 hours E11.6.1.1.2.1 Ans✓✓✓-For boats with one charging source, the
battery shall be capable of supplying the Total Load of Column A in Table 2 for a
minimum of ___ hours.
1/2 inch Diesel Study Guide, Chapter 6 Ans✓✓✓-Acceptable deflection of an
engine belt should be _____ inch per one foot.
1/4 H24.11.6 Ans✓✓✓-Gas fuel tanks shall be installed and restrained so the
tank does not move more than ___ inch.
1/4 inch H24.12.6, H33.11.6 Ans✓✓✓-Clamps must be at least ___ inch from the
end of a fuel hose.
122 degrees E11.5.1.1 Ans✓✓✓-Ambient temperature of machinery spaces is
_____ degrees Fahrenheit?
15 inches H2.6.5.2, H32.6.5 Ans✓✓✓-What is the minimum distance between
exhaust/intake openings to fuel fill or fuel vent openings?
,2 1/2 inches H2.6.4.10 Ans✓✓✓-What is the minimum gasoline vent duct
diameter?
2 1/2 minute, leakage. H24.5.7, H33.5.6 Ans✓✓✓-Components of both gas and
diesel systems shall be capable of withstanding a _____ minute exposure to free
burning fuel without _______.
200 degrees P1.5.10 Ans✓✓✓-When the exhaust system exceeds ___ degrees
Fahrenheit and may contact people or gear, it shall be covered by a guard, jacket,
or cover.
24 inches H2.6.4.6, Figure 3 Ans✓✓✓-Inside compartments, what is the
minimum distance between intake and exhaust openings?
24 is Diameter. 21.5 is Pitch Ans✓✓✓-You have a 3 Blade, RH, bronze propeller
with the given dimensions: 24 X 21.5. What does the first number represent?
What does the second number represent?
3/8 inch for copper, 1/2 inch for aluminum TE-4, Air Terminals Ans✓✓✓-For
lightning air terminals, copper rod must be ___ inch in diameter. Aluminum must
be ___ in diameter.
36% Diesel Study Guide, Chapter 1 Ans✓✓✓-The thermal efficiency of a diesel
engine is such that typical heat converted to useful power is approximately ____%
of total heat.
4 TE-4, General Info Ans✓✓✓-For lightning protection, primary (main) conductor
should have a resistance not great than # __ AWG copper conductor of the same
length.
, 40 Fahrenheit / 40 Celcius Diesel Study Guide, Chapter 4 Ans✓✓✓-The freezing
temperature of 50/ 50 antifreeze is?
500 pound, 30 seconds H27.6.1 Ans✓✓✓-A seacock shall be mounted to
withstand a ___ pound static force for ___ seconds without failing.
6 inches, rounded end TE-4, Air Terminals Ans✓✓✓-A lightning air terminal must
extend at least __ inches above the top of the mast and have a _______ end
closest to the clouds.
750 degrees or more Diesel Study Guide, Chapter 1 Ans✓✓✓-How hot must a
atomized diesel get before combustion?
80% Diesel Study Guide, Chapter 6 Ans✓✓✓-Technicians should replace a battery
once it reaches ____ percent conductance rating.
800 CCA. Don't get confused! 800 CCA does not need a switch. 801 CCAs or
greater does need a switch. E11.6.1.2.1 Ans✓✓✓-Battery switches are required
on batteries or battery banks with a CCA rating greater than _____ amperes.
86 degrees E11.5.1.1 Ans✓✓✓-Ambient temperature of non-machinery spaces is
_____ degrees Fahrenheit?
A clear hose Diesel Study Guide, Chapter 3 Ans✓✓✓-What is a good trick to see if
a seacock is suffering from aeration?
-22 to 185 H32.6.1 Ans✓✓✓-Non-metallic materials for diesel ventilating
components installed below deck shall be capable of continuous exposure to a
temperature range of -__ degrees to ___ degrees Fahrenheit without failure.
1 - 3 drops per minute. Diesel Study Guide, Chapter 7 Ans✓✓✓-What is an
acceptable drip rate for a traditional stuffing box?
1 1/2 hours E11.6.1.1.2.1 Ans✓✓✓-For boats with one charging source, the
battery shall be capable of supplying the Total Load of Column A in Table 2 for a
minimum of ___ hours.
1/2 inch Diesel Study Guide, Chapter 6 Ans✓✓✓-Acceptable deflection of an
engine belt should be _____ inch per one foot.
1/4 H24.11.6 Ans✓✓✓-Gas fuel tanks shall be installed and restrained so the
tank does not move more than ___ inch.
1/4 inch H24.12.6, H33.11.6 Ans✓✓✓-Clamps must be at least ___ inch from the
end of a fuel hose.
122 degrees E11.5.1.1 Ans✓✓✓-Ambient temperature of machinery spaces is
_____ degrees Fahrenheit?
15 inches H2.6.5.2, H32.6.5 Ans✓✓✓-What is the minimum distance between
exhaust/intake openings to fuel fill or fuel vent openings?
,2 1/2 inches H2.6.4.10 Ans✓✓✓-What is the minimum gasoline vent duct
diameter?
2 1/2 minute, leakage. H24.5.7, H33.5.6 Ans✓✓✓-Components of both gas and
diesel systems shall be capable of withstanding a _____ minute exposure to free
burning fuel without _______.
200 degrees P1.5.10 Ans✓✓✓-When the exhaust system exceeds ___ degrees
Fahrenheit and may contact people or gear, it shall be covered by a guard, jacket,
or cover.
24 inches H2.6.4.6, Figure 3 Ans✓✓✓-Inside compartments, what is the
minimum distance between intake and exhaust openings?
24 is Diameter. 21.5 is Pitch Ans✓✓✓-You have a 3 Blade, RH, bronze propeller
with the given dimensions: 24 X 21.5. What does the first number represent?
What does the second number represent?
3/8 inch for copper, 1/2 inch for aluminum TE-4, Air Terminals Ans✓✓✓-For
lightning air terminals, copper rod must be ___ inch in diameter. Aluminum must
be ___ in diameter.
36% Diesel Study Guide, Chapter 1 Ans✓✓✓-The thermal efficiency of a diesel
engine is such that typical heat converted to useful power is approximately ____%
of total heat.
4 TE-4, General Info Ans✓✓✓-For lightning protection, primary (main) conductor
should have a resistance not great than # __ AWG copper conductor of the same
length.
, 40 Fahrenheit / 40 Celcius Diesel Study Guide, Chapter 4 Ans✓✓✓-The freezing
temperature of 50/ 50 antifreeze is?
500 pound, 30 seconds H27.6.1 Ans✓✓✓-A seacock shall be mounted to
withstand a ___ pound static force for ___ seconds without failing.
6 inches, rounded end TE-4, Air Terminals Ans✓✓✓-A lightning air terminal must
extend at least __ inches above the top of the mast and have a _______ end
closest to the clouds.
750 degrees or more Diesel Study Guide, Chapter 1 Ans✓✓✓-How hot must a
atomized diesel get before combustion?
80% Diesel Study Guide, Chapter 6 Ans✓✓✓-Technicians should replace a battery
once it reaches ____ percent conductance rating.
800 CCA. Don't get confused! 800 CCA does not need a switch. 801 CCAs or
greater does need a switch. E11.6.1.2.1 Ans✓✓✓-Battery switches are required
on batteries or battery banks with a CCA rating greater than _____ amperes.
86 degrees E11.5.1.1 Ans✓✓✓-Ambient temperature of non-machinery spaces is
_____ degrees Fahrenheit?
A clear hose Diesel Study Guide, Chapter 3 Ans✓✓✓-What is a good trick to see if
a seacock is suffering from aeration?
