ABYC MS
A customer complains of exhaust odor in the accommodation space. The technician should
check all of the following EXCEPT:
A. Leaking exhaust system
B. Operation of the CO monitor
C. Engine air intake restriction
D. Verify sink and condensate drains are not plumbed into the exhaust system - ANS-Engine air
intake restriction
A head located below the vessel's dynamic water line using raw water for flushing requires a:
A. Vented loop on its intake
B. Check valve on intake
C. Strainer
D. Check valve on discharge - ANS-Vented loop on its intake
A head located below the vessel's dynamic waterline using raw water for flushing requires a:
A. Vented loop between the pump and the head's water inlet
B. Check valve on its intake
C. Strainer on its intake
D. Check valve on its discharge - ANS-Vented loop between the pump and the head's water
inlet
A seized rotary push pull steering cable should be:
A. Drilled, tapped, grease fitting installed, and lubricated
B. Heated with a torch until reinstalled
C. Replaced
D. Soaked in penetrating oil until free - ANS-Replaced
A shower sump discharge on a sailing vessel is not required to have a siphon break when the
outlet is?
A. Below the water line at rest
B. At the resting water line
C. Between the max heeled water line
D. Above the max heeled water line - ANS-Above the max heeled water line
A technician is asked to run a fuel supply hose from point A to point B within an engine room
space. Which hose should he use?
A. A1-15
B. B1
C. A2
D. B2 - ANS-A1-15
,A vessel is equipped with a rectangular fuel tank that measures 60" long, 30" high, and 24"
deep. If there are 231 cubic inches in one gallon, what will the capacity in gallons be for this
tank?
A. 43,200 gallons
B. 187 gallons
C. 49 gallons
D. 153 gallons - ANS-187 gallons
According to ABYC A-24, a CO monitor should be wired so that it:
A. Can be turned on and off 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 - ANS-Is supplied
by a circuit that uses a fuse or lock-out equipped circuit breaker
According to ABYC A-4, discharging a clean agent portable fire extinguisher directly into a
space immediately surrounding the engine without opening the engine access requires a:
A. Seacock
B. Air intake louver
C. Discharge port
D. 15 sq. in. access port - ANS-Discharge port
According to ABYC P-14, shift and throttle levers should be oriented to ensure all of the
following EXCEPT:
A. Right hand control
B. Synchronized movement between shift level movement and vessel movement
C. Correct detents location and orientation
D. Throttle advancements may be actuated in either fore or after direction - ANS-Throttle
advancements may be actuated in either fore or aft direction
According to ABYC standard A-4, which classification of fire extinguisher should be used on an
electrical fire?
A. Class A
B. Class B
C. Class C
D. Any class with work - ANS-Class C
According to ABYC standards, expandable type drain plugs shall be limited to boats equipped
with:
A. Bilge pumps
B. Floatation
C. Seacocks
D. Type IV PFDs - ANS-Floatation
, According to ABYC standards, metallic fuel tanks installed above a flat surface must be
separated from the surface by at least:
A. 1"
B. 1/2"
C. 1/4"
D. 0" - ANS-1/4"
According to ABYC standards, which type of hose is suitable for wet exhaust systems?
A. SAE J2006 or UL 1129
B. SAE J1171 or UL 1500
C. SAE J1527
D. 16 CFR 1500 - ANS-SAE J2006 or UL 1129
According to ABYC, a biologically contaminated potable-water system should be disinfected
with a mixture of chlorine and have a strength of at least:
A. 1000 ppm
B. 100 ppm
C. 10 ppm
D. 1 ppm - ANS-100 ppm
According to ABYC, a pressure drop test on an LPG system should be at least:
A. 1 minute
B. 3 minutes
C. 10 minutes
D. 15 minutes - ANS-3 minutes
According to ABYC, all of the following considerations must be given to evaporator
condensation drains EXCEPT:
A. Contain a p-trap to prevent co-ingress
B. The diameter of the drain
C. Drain overboard or into the bilge compartment other than shared by the engine
D. Orient the drain pan to facilitate complete draining - ANS-The diameter of the drain
According to ABYC, all of the following considerations need to be given to evaporator
condensate drains EXCEPT:
A. Contain a P-trap to prevent ingress of carbon monoxide
B. The diameter of the drain
C. Drain overboard or into a bilge area other than that shared by the engine
D. Orient the containment pan to facilitate complete draining - ANS-The diameter of the drain
According to H-24, electric fuel pumps should be independently supported and ________ from
the engine?
A. 12"
A customer complains of exhaust odor in the accommodation space. The technician should
check all of the following EXCEPT:
A. Leaking exhaust system
B. Operation of the CO monitor
C. Engine air intake restriction
D. Verify sink and condensate drains are not plumbed into the exhaust system - ANS-Engine air
intake restriction
A head located below the vessel's dynamic water line using raw water for flushing requires a:
A. Vented loop on its intake
B. Check valve on intake
C. Strainer
D. Check valve on discharge - ANS-Vented loop on its intake
A head located below the vessel's dynamic waterline using raw water for flushing requires a:
A. Vented loop between the pump and the head's water inlet
B. Check valve on its intake
C. Strainer on its intake
D. Check valve on its discharge - ANS-Vented loop between the pump and the head's water
inlet
A seized rotary push pull steering cable should be:
A. Drilled, tapped, grease fitting installed, and lubricated
B. Heated with a torch until reinstalled
C. Replaced
D. Soaked in penetrating oil until free - ANS-Replaced
A shower sump discharge on a sailing vessel is not required to have a siphon break when the
outlet is?
A. Below the water line at rest
B. At the resting water line
C. Between the max heeled water line
D. Above the max heeled water line - ANS-Above the max heeled water line
A technician is asked to run a fuel supply hose from point A to point B within an engine room
space. Which hose should he use?
A. A1-15
B. B1
C. A2
D. B2 - ANS-A1-15
,A vessel is equipped with a rectangular fuel tank that measures 60" long, 30" high, and 24"
deep. If there are 231 cubic inches in one gallon, what will the capacity in gallons be for this
tank?
A. 43,200 gallons
B. 187 gallons
C. 49 gallons
D. 153 gallons - ANS-187 gallons
According to ABYC A-24, a CO monitor should be wired so that it:
A. Can be turned on and off 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 - ANS-Is supplied
by a circuit that uses a fuse or lock-out equipped circuit breaker
According to ABYC A-4, discharging a clean agent portable fire extinguisher directly into a
space immediately surrounding the engine without opening the engine access requires a:
A. Seacock
B. Air intake louver
C. Discharge port
D. 15 sq. in. access port - ANS-Discharge port
According to ABYC P-14, shift and throttle levers should be oriented to ensure all of the
following EXCEPT:
A. Right hand control
B. Synchronized movement between shift level movement and vessel movement
C. Correct detents location and orientation
D. Throttle advancements may be actuated in either fore or after direction - ANS-Throttle
advancements may be actuated in either fore or aft direction
According to ABYC standard A-4, which classification of fire extinguisher should be used on an
electrical fire?
A. Class A
B. Class B
C. Class C
D. Any class with work - ANS-Class C
According to ABYC standards, expandable type drain plugs shall be limited to boats equipped
with:
A. Bilge pumps
B. Floatation
C. Seacocks
D. Type IV PFDs - ANS-Floatation
, According to ABYC standards, metallic fuel tanks installed above a flat surface must be
separated from the surface by at least:
A. 1"
B. 1/2"
C. 1/4"
D. 0" - ANS-1/4"
According to ABYC standards, which type of hose is suitable for wet exhaust systems?
A. SAE J2006 or UL 1129
B. SAE J1171 or UL 1500
C. SAE J1527
D. 16 CFR 1500 - ANS-SAE J2006 or UL 1129
According to ABYC, a biologically contaminated potable-water system should be disinfected
with a mixture of chlorine and have a strength of at least:
A. 1000 ppm
B. 100 ppm
C. 10 ppm
D. 1 ppm - ANS-100 ppm
According to ABYC, a pressure drop test on an LPG system should be at least:
A. 1 minute
B. 3 minutes
C. 10 minutes
D. 15 minutes - ANS-3 minutes
According to ABYC, all of the following considerations must be given to evaporator
condensation drains EXCEPT:
A. Contain a p-trap to prevent co-ingress
B. The diameter of the drain
C. Drain overboard or into the bilge compartment other than shared by the engine
D. Orient the drain pan to facilitate complete draining - ANS-The diameter of the drain
According to ABYC, all of the following considerations need to be given to evaporator
condensate drains EXCEPT:
A. Contain a P-trap to prevent ingress of carbon monoxide
B. The diameter of the drain
C. Drain overboard or into a bilge area other than that shared by the engine
D. Orient the containment pan to facilitate complete draining - ANS-The diameter of the drain
According to H-24, electric fuel pumps should be independently supported and ________ from
the engine?
A. 12"
