C172 Systems WGU QUESTIONS WITH COMPLETE SOLUTIONS

What type of engine does the C172 have? correct answer: L: Lycoming H: Horizontally opposed A: Aired cooled N: Normally aspirated D: Direct drive -4 cylinder -360 cubic inch -180 HP @ 2700 RPM -2 magnetos on the back of the engine, which provides 8 spark plugs (2 per cylinder) -Oil quantity: 6-8 quarts Airframe correct answer: -All metal -Four-place -single engine -equipped with tricycle gear and is designed for general utility and training purposes -Semimonocoque (substructure attached to the airplane's skin) -Ailerons attached to the single slot type flaps -Empennage consist with vertical stabilizer, rudder, horizontal stabilizer, and elevator Type of propeller? correct answer: -McCauley -76 inch -2 blade -fixed propeller Vacuum systems correct answer: -Two engine driven vacuums -Located on the back of the engine -Providing vacuum for the attitude and heading gyros -Normal operating range 4.5-5.5 inches of mercury -Failure of vacuum system will indicate on the annunciator panel light -Failure of one pump will not cause the loss of any instruments Landing gear correct answer: -Fixed, tricycle type gear -Tubular spring steel providing shock absorption for the main wheels -Oleo strut providing shock absorption on the nose wheel