ABYC Practice Questions & ANSWERS(2024 LATEST UPDATE)CORRECT 100%
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Course
ABYC Diesel Engine Certification
Institution
ABYC Diesel Engine Certification
FALSE. End fittings introduce the possibility of high resistance. TE-4, Conductors - ANSWER A sailboat's rigging is considered a reliable path to ground for lightning? T/F?
Spark igntion Diesel Study Guide, Chapter 1 - ANSWER Gasoline engines use what kind of ignition?
Compression ignition Di...
ABYC Practice Questions & ANSWERS(2024
LATEST UPDATE)CORRECT 100%
FALSE. End fittings introduce the possibility of high resistance. TE-4, Conductors - ANSWER A sailboat's
rigging is considered a reliable path to ground for lightning? T/F?
Spark igntion Diesel Study Guide, Chapter 1 - ANSWER Gasoline engines use what kind of ignition?
Compression ignition Diesel Study Guide, Chapter 1 - ANSWER Diesel engines use what kind of ignition?
Gasoline engines Diesel Study Guide, Chapter 1 - ANSWER Spark ignition are what kind of engines?
Diesel engines Diesel Study Guide, Chapter 1 - ANSWER Compression ignition are what kind of engines?
750 degrees or more Diesel Study Guide, Chapter 1 - ANSWER How hot must a atomized diesel get
before combustion?
TRUE, denser air has more oxygen molecules per cubic foot Diesel Study Guide, Chapter 1 - ANSWER
Cooler air is denser than ambient temperature? T/F?
A. The intake stroke only brings air into the cylinder. Diesel Study Guide, Chapter 1 - ANSWER "One of
the primary differences between the gasoline-fueled engine four-stroke cycle and the diesel four-stroke
cycle is:
A. The intake stroke only brings air into the cylinder.
B. The compression ratio of the diesel engine is much lower than the same sized gasoline engine.
C. Fuel gets atomized by the high heat with a diesel engine.
D. The diesel fuel is more volatile than the gasoline."
Manometer Diesel Study Guide, Chapter 2 - ANSWER What is the tool to check engine back-pressure?
, TRUE Diesel Study Guide, Chapter 2 - ANSWER When checking engine back-pressure, the engine must be
under load to get a valid reading. T/F?
C
Wire reinforced Diesel Study Guide, Chapter 3 - ANSWER Hose from the seacock to the sea strainer
should be ____ ________.
C. checking all downstream components for impeller pieces Diesel Study Guide, Chapter 3 - ANSWER
"Replacement of a seawater pump impeller should normally include:
A. draining water-lift muffler
B. flushing heat exchanger
C. checking all downstream components for impeller pieces
D. replacing zinc anodes"
C. the exhaust manifold or risers are blocked Diesel Study Guide, Chapter 3 - ANSWER "During a sea trial
for a complaint of high speed overheating, the technician finds that the cooling hoses are swollen and
very firm when squeezed and the exhaust hoses very hot to the touch. This most likely indicates:
A. the raw water pump is ingesting air with the seawater
B. the exhaust diameter is too small
C. the exhaust manifold or risers are blocked
D. the exhaust outlet at the stern is blocked"
D. both A and C Diesel Study Guide, Chapter 3 - ANSWER "During engine operation a technician notices
that the water level is low in the seawater strainer. This might indicate which of the following?
A. the seawater strainer has an air leak
B. seawater impeller is incorrect
C. seawater inlet problem
D. both A and C
E. both B and C"
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