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Multiple Choice
Identify the letter of the choice that best completes the statement or answers the question. |
| | 1. | Which part of the magneto ignition system converts low voltage into high voltages? | a. | Armature Laminations | c. | Condenser | | b. | Permanent Magnets | d. | Coil | | | | | | |
| | 2. | A condenser... | a. | Transforms Voltage | c. | Reduces Voltage as Temperature Rises | | b. | Minimizes Breaker Point Arcing | d. | Receives High Voltage from the Coil | | | | | | |
| | 3. | The wire leading to the small gas engine spark plug carries... | a. | High Amperage and Low Voltage | c. | Low Amperage and Low Voltage | | b. | Low Amperage and High Voltage | d. | High Amperage and High Voltage | | | | | | |
| | 4. | The magneto primary coil consists of... | a. | Few Windings of Heavier Wire | c. | Many Windings of Very Fine Wire | | b. | Few Windings of Very Fine Wire | d. | Many Windings of Heavier Wire | | | | | | |
| | 5. | Although the Briggs & Stratton owner’s manual should always be checked for the recommended breaker point gap for the ignition system is usually... | a. | 0.020” | b. | 0.0020” | c. | 0.20” | d. | 2.00” | | | | | | | | | | |
| | 6. | Which of the following parts are included in the primary circuit of the magneto ignition system of a small gas engine? | a. | Breaker points-condenser and Secondary Windings | | b. | Armature-Spark Plug Wire and Frame | | c. | Secondary Coil and Frame | | d. | Breaker Points-Condenser and Primary | | | | |
| | 7. | The spark is created when... | a. | The Breaker Points Open | | b. | The Breaker Points Close | | c. | The Flywheel Magnets have Passed the Armature | | d. | The Flywheel Magnets Approach the Armature | | | | |
| | 8. | When a wet-cell battery discharges __________ is formed. | a. | Sulfuric Acid | b. | Water | c. | Lead | d. | Hydrogen | | | | | | | | | | |
| | 9. | Another name for a restricted air flow is... | a. | A Darwin Tube | b. | A Butterfly | c. | A Suction Tube | d. | A Venturi | | | | | | | | | | |
| | 10. | The choke reduces the amount of ___________ flow through the carburetor. | a. | Fuel | b. | Air | c. | Dirt | d. | Coolant | | | | | | | | | | |
| | 11. | The breather is designed to eliminate the chances of... | a. | Poor Air Fuel Ratio | c. | Moisture | | b. | Dirt Entering the Carburetor | d. | Pressure Build Up in the Crankcase | | | | | | |
| | 12. | The terms air vane-pneumatic-centrifugal or mechanical are all names most likely associated with types of... | a. | Lubrication Systems | c. | Valves | | b. | Governors | d. | Ignition Systems | | | | | | |
| | 13. | The governor ___________ tends to open the throttle. | a. | Vane | b. | Air | c. | Spring | d. | Speed | | | | | | | | | | |
| | 14. | The governed speed may be varied by changing the governor | a. | Spring Tension | b. | Vane Size | c. | Compression | d. | RPM | | | | | | | | | | |
| | 15. | For B&S small gas engines using regular gasoline the most efficient compression ratio is... | a. | Ten to One or Eleven to One | c. | Five to One or Six to One | | b. | Three to One or Four to One | d. | Twenty to One or Twenty-Two to One | | | | | | |
| | 16. | The air fuel mixture is __________ when it passes through the intake manifold and enters the cylinder combustion chamber. | a. | Atomized | b. | Moisturized | c. | Vaporized | d. | Naturalized | | | | | | | | | | |
| | 17. | The mating surface of the valve face is ... | a. | The Valve Seat | c. | The Valve Head | | b. | The Valve Stem | d. | The Valve Margin | | | | | | |
| | 18. | The middle ring on the 4 cycle small gas engine piston is called a/an... | a. | O-Ring | c. | Oil Ring | | b. | Compression and/or Scraper | d. | Teflon Ring | | | | | | |
| | 19. | The perforated ring on a small gas engine piston is the... | a. | Compression Ring | c. | Scraper Ring | | b. | Oil Ring | d. | Second Compression Ring | | | | | | |
| | 20. | Valve tappet clearance is needed to... | a. | Allow Valves to Expand | c. | Reduce Wear on the Stem | | b. | Allow Valves to Stay Open Longer | d. | Reduce Wear on the Valve Face | | | | | | |
| | 21. | The greatest amount of cylinder wear is at the... | a. | Top One Eighth of the Cylinder Wall | | b. | Middle One Third of the Cylinder Wall | | c. | The Bottom One Third of the Cylinder Wall | | d. | The Top One Third of the Cylinder Wall | | | | |
| | 22. | Which of the following is NOT part of the valve? | a. | Head | b. | Margin | c. | Seat | d. | Face | | | | | | | | | | |
| | 23. | When checking a cylinder for wear the measurements should be taken in ________ locations. |
| | 24. | The terms Flo Jet-Pulsa and Vacu Jet are used to describe three types of... | a. | Injectors | b. | Venturi Tubes | c. | Carburetors | d. | Needle Valves | | | | | | | | | | |
| | 25. | The camshaft on an engine rotates... | a. | Half as Fast as the Crankshaft | c. | Twice as Fast as the Crankshaft | | b. | The Same Speed as the Crankshaft | d. | Depends Upon the Crankshaft Style | | | | | | |