Most airplane structures include:

• A fuselage, wings, an empennage, an engine, and landing gear.

• A fuselage, wings, an empennage, landing gear, and a powerplant.

• A fuselage, wings, an empennage, a cockpit, and a powerplant.

• A fuselage, wings, landing gear, a cockpit and a powerplant.

The primary function of the engine is to provide:

• The power to turn the propeller.

• Generates electrical power.

• Provides a source vacuum and heat for the pilot and passengers.

• All above.

The engine compartment including:

• Engine, Gearing box, Fire Wall, Propeller.

• Engine, Gearing box, Fire Wall, Cowling.

• Engine, Fire Wall, Cowling, Propeller.

• Engine, Gearing box, Fire Wall, Cowling, Propeller.

The empennage of aircraft includes:

• The vertical stabilizer and the horizontal stabilizer.

• The rudder and the elevator.

• One or more trim tabs.

• All above.

The Wright engine was the gasoline engine that powered its first flights on

• December 17, 1902.

• December 17, 1903.

• December 17, 1904.

• December 17, 1905.

The Wright engine was the gasoline engine producing 12 hp at launch, It was built to the standard 4-4-4 design, let choice correct statement

• Four pistons, four inches bore diameter and four inches of a stroke.

• Four cylinders, four inches bore diameter and four inches of a stroke.

• Four strokes, four inches bore diameter and four inches of a stroke.

• Four crankshafts, four inches bore diameter and four inches of a stroke.

External combustion engines are

• steam Engine.

• stirling Engine.

• nuclear engines.

• all above.

Internal combustion engines including:

• Shaft and reaction engines.

• The reciprocating engine.

• The Wankel engine.

• All above.

A heat engine is a device which converts:

• One form of energy into another form of energy.

• Electrical energy into mechanical energy.

• Heat energy into mechanical energy.

• Chemical energy into heat energy.

The thrust producing device for a piston engine aircraft is

• propeller.

• fixed orifice.

• aircraft wings.

• crankshaft.