Engine Maintenance

Chapter 10 - Quiz

Engine Maintenance

1. When taking delivery on a new boat, what is the first thing to look for on board?

a. Owner’s and service manuals for all equipment.

b. See that the dealer has provided a full set of tools.

c. Manufacturer’s inspection certificate.

d. Water and fuel tanks topped off.2

Engine Maintenance

2. If repairs are beyond your abilities:

a. seek the help of a qualified mechanic.

b. read the owner’s manual repeatedly.

c. enlist the help of a friend to share views on what may be wrong.

d. ignore the problem.

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Engine Maintenance

3. Recognizing the symptoms of common engine problems:

a. can assist a trained technician in suggesting realistic repairs.

b. is not aided by the detection of unusual sounds of the engine.

c. is aided by recognizing any decrease in fuel consumption performance.

d. should be noted for future reference. 4

Engine Maintenance

4. If your engine should cough, sputter, then run only to cough, sputter and then stop the cause is most likely a _________ system problem.

a. coolingb. ignitionc. lubricationd. fuel

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Engine Maintenance

5. If the engine should gradually lose power and then stop, the cause is most likely a _________ system problem.

a. coolingb. ignitionc. lubricationd. fuel

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Engine Maintenance

6. If the engine should stop instantaneously the most likely cause is the __________ system.

a. coolingb. ignitionc. lubricationd. fuel

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Engine Maintenance

7. Most gasoline engines problems are related to fuel, cooling, and ignition systems. What is usually the first symptom to make you aware that something is wrong with your engine?

a. Your boat's speed changes slightly.b. As you turn to run before the wind, you

begin to smell the exhaust.c. There is a change in the engine's sound.d. The voltmeter shows an increase.

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Engine Maintenance

8. The first place to look for ignition trouble is:

a. a loose spark plug.b. wires leading to and from the coil.c. the flame arrester.d. worn insulation on a spark plug

wire.

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Engine Maintenance

9. If your outboard engine was running nicely, then begins to die, sputter then stops the first thing to check is the:

a. battery.b. fuel tank vent breather.c. spark plug wires.d. accelerator pump in the

carburetor.

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Engine Maintenance

10.The most frequent cause of outboard ignition problems is:

a. fouled spark plugs.b. loose ignition wires from vibration.c. failure of the capacitor discharge

system.d. loose wire running to and from the

ignition coil.

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Engine Maintenance

11. The system that causes most problems with diesel engines is the __________ system.

a. coolingb. ignitionc. lubricationd. fuel

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Engine Maintenance

12.During cold weather, the main reason diesel engines will refuse to start is:

a. water in the fuel filter.b. paraffin has begun to form in the

fuel.c. air is trapped in the fuel lines.d. the engine oil level is too low.

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Engine Maintenance

13.Your gasoline engine has stopped while underway. You will:

a. try adjusting the carburetor.b. start calling for help.c. take time to assess the situation.d. immediately set up emergency

measures.

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Engine Maintenance

14.What is the first thing you should do if your engine has stopped because it overheated?

a. Call for help.b. Let it cool down, then determine

why it stopped.c. Arrange to replace it.d. Call for a tow.

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Engine Maintenance

15.Your engine has been overheating because of insufficient cooling water, so you inspect for:

a. correct propeller pitch and diameter.

b. water pump impeller fingers broken off.

c. excessive water in the water pump body.

d. low oil pressure. 16