Boating License Test Boating Operations and Maintenance 2

Question 1

Before starting an inboard gasoline engine, how long should you operate the exhaust blower?

Accepted Answer

At least 4 minutes

Answer

Running the blower at least 4 minutes removes explosive fuel vapors from the bilge before ignition.

Question 2

What is the primary purpose of a boat's trim in relation to fuel efficiency?

Accepted Answer

To reduce hull drag and improve planing

Answer

Proper trim keeps the hull at an efficient angle, reducing drag and improving fuel economy.

Question 3

You notice the engine temperature gauge climbing rapidly. What is the most likely cause?

Accepted Answer

A blocked raw-water intake or cooling system

Answer

Overheating is commonly caused by a blocked cooling water intake restricting engine cooling flow.

Question 4

What should you check to prevent carbon monoxide poisoning aboard a powerboat?

Accepted Answer

Exhaust system for leaks and proper ventilation

Answer

Leaking exhaust and poor ventilation allow deadly carbon monoxide to accumulate in cabins and cockpits.

Question 5

When docking in a strong crosswind, the best technique is to:

Accepted Answer

Approach at a steeper angle and use short bursts of power

Answer

A steeper approach angle and controlled power bursts counteract the wind pushing the boat off course.

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