Black 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...
Black 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
According to ABYC standards, what is the minimum bend radius of a control cable? - ANSWER
Manufacturer's recommended minimum
Modern battery testing techniques would include the use of a - ANSWER DVOM
conductance battery testing may require input - ANSWER CCA or MCA`
The ground circuit resistance check ( voltage drop) should be made by connecting the voltmeter -
ANSWER across the ground circuit and observe the meter while cranking
If the electric starter will not crank the engine, the problem may be caused by - ANSWER a run-down
battery
a defective starter
internal engine problems
When testing a starter motor circuit, lower than normal amp clamp reading may indicate: - ANSWER a
loose / corroded cabling
an indication of alternator output can be obtained by - ANSWER comparing battery voltage with engine
running and not running
a technician is hearing a medium frequency rattle with the engine in neutral located at the flywheel end
of the engine. What is a possible cause? - ANSWER damaged flywheel flex-plate
compared to gasoline, diesel fuel is more susceptible to - ANSWER microbe contamination
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 shantelleG. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $10.99. You're not tied to anything after your purchase.
