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Assignment 3 - 14020_292
Assignment 3-Cont. - 14020_294

Aviation Structural Mechanic E2 - How airplanes are built and how to maintain them
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3-9. The canopy seal regulator performs which of the following functions? 1. Provides 80 psi pressure in the canopy seal when the canopy is unlocked 2. Provides 80 psi pressure in the canopy seal when the canopy is locked 3. Provides 25 to 30 psi above ambient when the canopy is unlocked 4. Provides 25±5 psi pressure above ambient when the canopy is closed and locked 3-10. The venting of pressure through the relief/vent port of the canopy seal regulator will occur when which of the following events happen? 1. When the service air heat exchanger has supplied approximately 80 psi pressure to the canapy seal regulator 2. When the service air heat exchanger has supplied approximately 25 to 30 psi pressure to the canopy seal regulator 3. When the canopy is unlocked 4. When the pressure downstream of the regulator is between 6 t0 8 psi 3-11. What valve in the electrically actuated canopy seal prevents pressure from becoming excessive during rapid altitude changes? Learning Objective: Recognize the purpose and operation of a frangible escape system. 1. True 2. False 1. Dump 2. Relief 3. Outflow 4. Shutoff 3-12. Electrical failure of the canopy seal system will cause which of the following actions to occur? 3-13. 3-14. 3-15. 3-16. 3-17. (Refer to table 2-1 in the text.) During a ground test on an electrically actuated canopy seal system you find that the seal will not inflate. If you deter- mine that all controls pertinent to the proper operation of the seal have been activated, which of the following conditions could cause the trouble? 1. A ruptured seal 2. A defective canopy seal regulator or check valve 3. A defective power supply circuit to the seal regulator 4. Each of the above A frangible escape system is used to jettison the canopy on the S-3A aircraft? The S-3A canopy glass is removed during ejection by what device(s)? 1. Glass cutters 2. Glass crashers 3. Breaker plates 4. Both 2 and 3 above What is the approximate length of the external jettison initiator cable on the S3 aircraft? 1. 6 feet 2. 8 feet 3. 10 feet 4. 12 feet 1. The relief valve will close 2. The dump switch solenoid will energize 3. The solenoid valve will energize 4. The regulator vavle will dump Which of the following parts will be blown away from the aircraft when either of the external handles is pulled? 1. Hatches 2. Fillets 3. Supports 4. All of the above 15







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