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ASSIGNMENT 6-Cont. - 14014_150
ASSIGNMENT 6-Cont. - 14014_152

Airman - Aviation theories and other practices
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6-54. Following the first letter symbol identifying the engine type, a number appears to identify the service that uses the engine(s). Which of the following numbers represents an Air Force engine? 1. 20 2. 30 3. 31 4. 40 IN ANSWERING QUESTIONS 6-55 THROUGH 6-58, REFER TO TABLE 6-2 IN THE TEXT. 6-55. The  manufacturer's  symbol  BA  identifies which aircraft engine manufacturer? 1. Allison Division, General Motors Corporation 2. General Electric Company 3. Bell Aircraft Company 4. McDonald–Douglas Aircraft Company 6-56. What engine manufacturer's symbol identifies the Lockheed Aircraft Company? 1. LA 2. LD 3. AD 4. GA 6-57. The manufacturer's symbol PW identifies which aircraft engine manufacturer? 1. Rolls Royce, Ltd. 2. Westinghouse Electric Company 3. AiResearch Division, Garrett Corporation 4. Pratt and Whitney Aircraft Division 6-58. What engine manufacturer's symbol identifies the Curtis-Wright Corporation? 1. WE 2. WA 3. PW 4. MD 6-59. When two manufacturers' are jointly producing an engine, the symbol is one letter from each manufacturer's symbols. 1. True 2. False 6-60. The third part or section of the engine designation consists of a dash and a number indicating the model number. The Navy model number begins with 2 and continues with consecutive even numbers. 1. True 2. False 6-61. Under special engine designations, what prefix letter is assigned to experimental and service test engines? 1. W 2. X 3. Y 4. Z 6-62. Under special engine designations, what prefix letter is assigned to restricted service engines? 1. W 2. X 3. Y 4. Z 6-63. Normally the restricted service designation for an engine is dropped after completion of what total number of qualifying test hours? 1. 50 hr 2. 100 hr 3. 150 hr 4. 200 hr 6-64. The MIL-STD-1812 engine designation system is made up of what total number of parts or sections? 1. One 2. Two 3. Three 4. Four 6-65. The Air Force, Navy, and Army are assigned a block of engine configuration model numbers that are used consecutively. 1. True 2. False 6-66. What series or block of engine configuration model numbers are assigned to the Navy? 1. 100 2. 400 3. 700 6-67. Which of the following characters identifies the type of engine in the designation number F401–PW–400? 1. F 2. 401 3. PW 4. 400 6-25







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