TIDES AND CURRENTS
20. A tide rises: a. fastest during the middle third of its duration. b. at a uniform rate throughout itsduration. c. fastest during the first and last third of its duration. d. to the depth of the water shown on the chart.
21. Tidal currents: a. measure the vertical motion of the water. b. are impossible to predict. c. may slow to a stop, but hardly ever reverse. d. vary in velocity during the tidal cycle.
22. Your engine has stalled and is very hot. You have no temperature gauge, so you should first: a. check the running lights. b. check the water pump belt. c. check the distributor cap. d. check the oil level.
23. Your stalled engine's water pump belt, distributor cap, and oil level are okay. What else might cause the engine to overheat? a. Dirt in the filter. b. A blockage in the cooling system. c. A loose ignition wire. d. A low level of charge in the battery.
24. To ensure that your engine's water pump is working properly, you should: a. remove the thermostat to see if it is open. b. check the oil level before starting the engine. c. check the water outlets immediately after starting the engine. d. rev the engine immediately after starting so the pump turns quickly.
25. The proper class hitch for your rig is based on: a. trailer length. b. tow vehicle weight. c. gross trailer weight. d. boat size.
26. When hitching a trailer, the tongue weight should be: a. as little as possible. b. about one-third of the trailer weight. c. 5 to 10 percent of the gross vehicle weight. d. there's no maximum limit.
27. The maximum gross vehicle weight when using a Class II hitch is: a. 500 pounds. b. 2,000 pounds. c. 3,500 pounds. d. 10 percent of the gross vehicle weight.
|1. C||10. B||19. D|
|2. B||11. C||20. A|
|3. B||12. D||21. D|
|4. C||13. D||22. B|
|5. A||14. A||23. B|
|6. C||15. A||24. C|
|7. C||16. B||25. C|
|8. B||17. B||26. C|
|9. B||18. D||27. C|
Question 3: To compute the anchor rode, add the bow height and water depth, then multiply them by the scope. We bet you handled this test pretty well. If not, just contact your local U.S. Power Squadrons for a refresher course. Either way, know this: These were the easy questions.