Chapter 10 Study Guide Questions
1. Three things that are necessary for fire are: fuel, oxygen, and heat. (page 608)
11. Two reasons the use is aviation gasoline should be limited in turbine engines are: the tetra ethyl lead in the aviation gasoline causes deposits to form in the turbine blades, and aviation gasoline doesn't have the lubricating properties that kerosene has. (Page 620)
12. The reason jet fuel must not be used in reciprocating engines is that it causes engine damage or destruction, and detonation. (Page 618)
13. The viscosity of jet fuel is higher than that of aviation gasoline. (Page 619)
14. Give the color or each of these grades if aviation gasoline. Grade 80: Red. Grade 100: Blue. Grade 100LL: Blue. (Page 617)
19. An uncontrolled burning, or explosion, of the fuel-air mixture within the cylinder of a reciprocating engine is called detonation. (Page 616)
25. Two bits of information must be marked on the fuel tank for a reciprocating-engine-powered aircraft are: the word "avgas" and the minimum permissible grade of fuel. (Page 622)
31. It is not normally safe to de fuel an aircraft in an air-conditioned hangar. (Page 626)
37. One of the drawbacks for the use if main ills rope for tying down an aircraft is the fact that manila rope shrinks when it gets wet. (Page 632)
44. When starting an aircraft engine equipped with a float-type carburetor, the carburetor heat control should be in the COLD position. (Page 640)
46. Oil collected in the lower cylinders of a radical engine can cause a problem known as hydraulic lock. (Page 640)
48. A flooded reciprocating engine using either a float carburetor or a fuel injection system can be cleared if excessive fuel by placing the mixture control in the CUTOFF position. Turn the ignition off, open the throttle, and crank the engine with the starter or by hand until the fuel charge in the cylinders has been cleared. (Page 641)
50. The mixture control of a