Exam (elaborations)
ABYC Diesel Exam Practice Questions and Answers
- Course
- Institution
ABYC Diesel Exam Practice
[Show more]
Content preview
ABYC Diesel Exam PracticeBlack soot around the engine compartment openings might indicate: - answer
Insufficient engine room ventilation
if the engine does not achieve full rpm, what test would be the last to be performed? -
answer compression check
The exhaust blower switch is activated but the sound coming from the blower is not
normal. After a period of time, the breaker trips. What is the most likely cause? - answer
Blower motor armature bearings are seizing
what component is/are installed to provide proper clearance about the outside water
line? - answer Exhaust flapper and riser extension
Diesel exhaust systems produce small amounts of a dangerous gas, the gas is: -
answer Carbon Monoxide
While many exhaust silencers can do a good job of reducing noise level, they will be
unacceptable if they - answer set up objectionable back pressure
What wet exhaust system is best used with engines at or below the water line - answer
Water lift
Following a recent reposer, the owner complains of overheating at high speed.
Technician A says that the thermostats are most likely the problem. Technician B says
that the seawater intake system should be checked against the MFG specifications,
who is correct? - answer Technician B
During operation of the boat the technician notes an oil slick at the exhaust outlet. This
most likely indicates - answer There is a leak in the raw water cooler
Technician A says the impellers should be routinely replaced. Technician B says that
you can extend the life if you reverse the impeller's direction. Who is Correct? - answer
Technician A
Sacrificial anodes are used for galvanic protection in hear exchangers because they are
- answer More anodic than other alloys in the system
, When re-installing an oil cooler, technician A says that the oil flow should be opposite
that of the water flow. Technician B says that the oil and water flow should go in the
same direction. Who is correct? - answerTechnician A
When draining a seawater cooled engine, the technician removes a drain plug and no
water comes out. What is the most likely cause? - answerit may be blocked, use a tool
to remove the blockage
What component is used to transfer heat from engine coolant to seawater in a closed
cooling system? - answerheat exchanger
What doe MSDA stand for? - answerMaterial Safety Data Sheets
Exhaust gases leaking into the coolant system may be caused by a defective -
answerCylinder-head Gasket
Coolant conditioner filters should be replaced: - answerAccording to manufacturers
specification
Premature engine drive belt failure may be caused by - answermisalignment of pulleys
Which factors must be considered when installing/adjusting the transmission shift
cable? - answersecond station controls
cracks in the jacket
kinks or tight bends
The owner complains that it takes two hands to operate a single lever control.
Technician A says that the cable may be too long and improperly routed. Technician B
says that the control head may need cleaning and lubricating. Which technician is
correct? - answerBoth are correct
To adjust a control cable, the technician should: - answerAdjust the terminal eye/cable
anchor on the cable
According to ABYC standards, what is the minimum bend radius of a control cable? -
answerManufacturer's recommended minimum
Modern battery testing techniques would include the use of a - answerDVOM
conductance battery testing may require input - answerCCA or MCA`
The ground circuit resistance check ( voltage drop) should be made by connecting the
voltmeter - answeracross the ground circuit and observe the meter while cranking
If the electric starter will not crank the engine, the problem may be caused by - answera
run-down battery
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller Dreamer252. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $12.99. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
81298 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now