1. Engine Maintenance Chapter 9 - Quiz

2. Engine Maintenance 1.All boats are steered: a.from the bow similar to an automobile. b.by deflecting the flow of water. c.by the thrust of an inboard marine engine. d.only with the use of a rudder. 2

3. Engine Maintenance 2.In the stern-mounted rudder and tiller system the gudgeon is a: a.rudder stop that prevents loss of the rudder. b.part attached to the tiller. c.lever used to turn the rudder. d.socket that a pintle fits into. 3

4. Engine Maintenance 3.Steering gear stuffing boxes: a.are fixtures holding oil for lubrication of steering systems. b.require frequent inspection to check for leakage. c.are best to repack when the boat is in the water. d.should be adjusted to prevent the packing from rubbing on the shaft. 4

5. Engine Maintenance 4.What is an important safety step to take with a tiller-mounted rudder on a small sail boat? a.Add weights to the rudder so it won't float out of the gudgeon. b.Install rudder stops to prevent the rudder from acting as a water brake. c.Use a rudder with metal edges to prevent rocks from damaging the rudder edges. d.Install a cotter pin in the pintle to prevent the rudder from floating out of the gudgeon. 5

6. Engine Maintenance 5.The two basic, self enclosed, mechanical steering systems in use today are: a.rudder and tiller. b.rack and pinion and rotary. c.pintle and gudgeon. d.drum and cable. 6

7. Engine Maintenance 6.In a push-pull cable steering system the rudder is moved by a: a.drum and cable. b.tiller or rod. c.rack and pinion activated by a wheel. d.hydraulic pump. 7

8. Engine Maintenance 7.The advantage of the "no feedback" (NFB) steering system is it: a.isolates the engine's torque from the driver. b.is always under tension without loss of motion. c.has the fastest gear ratio. d.provides heavier helm pressure. 8

9. Engine Maintenance 8.Pedestal steering maintenance: a.is not necessary because of the modern materials used. b.should not include testing under a heavy load. c.includes teflon grease on the pedestal shaft bearings. d.includes periodic flushing with water to remove scum. 9

10. Engine Maintenance 9.What is the most important feature of worm-gear steering? a.Mechanical advantage. b.Easy maintenance. c.Non-reversing action. d.Control flexibility. 10

11. Engine Maintenance 10.In a hydraulic steering system the fluid reservoir is pressurized to about __________. a.150 psi1000 kPa b.75 psi500 kPa c.30 psi200 kPa d.10 psi67 kPa 11

12. Engine Maintenance 11.Hydraulic steering: a.eliminates kick back from the rudder. b.prevents the use of automatic pilots. c.eliminates the need for fixed stops. d.requires no maintenance. 12