Marine Engine Systems Quiz

What does a fuel system have to do?

• Provide electrical power to the engine

• Supply fuel to the engine

• Cool the engine

• Lubricate the engine

What is the purpose of the oil in an engine?

• To cool the engine

• To provide fuel to the engine

• To lubricate engine components

• To ignite the fuel

How is lubrication achieved in a two-stroke engine?

• By using a separate oil reservoir

• By mixing oil with fuel

• By using a dry sump system

• By using a wet sump system

Why do we add anti-freeze to a coolant system?

• To increase the boiling point of the coolant

• To prevent the coolant from freezing

• To lubricate the engine

• To clean the engine

How do we measure the strength of the anti-freeze mix in a coolant system?

• By using a thermometer

• By using a refractometer

• By using a voltmeter

• By using a barometer

Briefly describe how a magneto works.

• It uses a battery to generate a spark

• It uses a permanent magnet to generate electrical current

• It uses solar power to generate a spark

• It uses wind power to generate electrical current

What is the purpose of a calorifier in a fresh water cooling system?

• To cool the engine

• To heat domestic water

• To lubricate the engine

• To provide fuel to the engine

What is a capacitive discharge ignition system?

• A system that uses a battery to generate a spark

• A system that uses a capacitor to store and discharge energy

• A system that uses a magneto to generate a spark

• A system that uses a transistor to control ignition

What is a transistor controlled ignition system?

• A system that uses a battery to generate a spark

• A system that uses a capacitor to store and discharge energy

• A system that uses a magneto to generate a spark

• A system that uses a transistor to control ignition

What is the primary function of an exhaust system in an engine?

• To supply fuel to the engine

• To expel combustion gases

• To cool the engine

• To lubricate the engine