ABYC Diesel Exam With 100% Correct Answers | Already Passed| Graded A+

Black soot around the engine compartment openings might indicate: - Insufficient engine room ventilation if the engine does not achieve full rpm, what test would be the last to be performed? - 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? - Blower motor armature bearings are seizing what component is/are installed to provide proper clearance about the outside water line? - Exhaust flapper and riser extension Diesel exhaust systems produce small amounts of a dangerous gas, the gas is: - Carbon Monoxide While many exhaust silencers can do a good job of reducing noise level, they will be unacceptable if they - set up objectionable back pressure What wet exhaust system is best used with engines at or below the water line - 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? - Technician B During operation of the boat the technician notes an oil slick at the exhaust outlet. This most likely indicates - There is a leak in the raw water cooler