OBS Vehicle Inspection & Maintenance 2

Question 1

When inspecting your boat's bilge pump, how should you verify it is functioning correctly before departure?

Accepted Answer

Pour water into the bilge and activate the pump manually to confirm it evacuates water

Answer

Testing the bilge pump by introducing water and operating it manually confirms the pump, hose, and discharge are all working before you leave the dock.

Question 2

Which of the following is the correct procedure for checking engine oil on an inboard gasoline engine before a trip?

Accepted Answer

Check the dipstick with the engine off on a level surface and wipe it before the final reading

Answer

Oil must be checked with the engine off on a level surface; wiping the dipstick before reinserting ensures an accurate reading.

Question 3

What does a corroded battery terminal most directly risk on a boat?

Accepted Answer

Increased electrical resistance causing poor starting or total electrical failure

Answer

Corrosion adds resistance to the circuit, reducing current flow and making it difficult or impossible to start the engine or power navigation lights.

Question 4

During a pre-departure hull inspection, you notice a soft or spongy area on a fiberglass deck. What does this most likely indicate?

Accepted Answer

Water intrusion and delamination of the core material beneath the deck skin

Answer

Soft spots in fiberglass decks typically indicate water has entered and saturated or rotted the foam or wood core, causing delamination.

Question 5

How often should you inspect your boat's steering cable or hydraulic steering system for proper operation?

Accepted Answer

At the start of every boating season and periodically throughout the season

Answer

Steering systems should be inspected at the beginning of each season and checked periodically because a failure at speed can be catastrophic.

(OBS) Online Boating Safety Certification Practice Test

(OBS) Online Boating Safety Certification Practice Test

OBS Vehicle Inspection & Maintenance 2