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22 Cards in this Set
- Front
- Back
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209. Oxygen bottle capacity
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a. 49 cubic feet
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210. Max oxygen pressure at 70 F (+/- 3.5 degrees with every degree difference)
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a. 1850 +/- 50 psi
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211. Local oxygen requirements
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a. 1000 psi
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212. Cross-country oxygen requirements
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a. 1500 psi
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213. Max pressure differential (both safety and outflow valves open)
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a. 6.0 +/- 0.1 psi
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214. Minimum pressure differential (both safety and outflow valves closed)
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a. -0.1 psi
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215. Max pressurization with an internally cracked windshield
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a. 4 psi
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216. Max pressurization with a cracked cabin window
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a. 0 psi
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217. Cabin controller rate knob is set to ___ fpm when in the 12 O’clock position
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a. 500 fpm
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218. Cabin pressure at 20,000 feet
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a. 3,900 ft
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219. Cabin pressure at 31,000 feet
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a. 9,900 ft
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220. After liftoff, the safety valve closes and a valve in the left flow control unit opens right away, while the right delays ___ secs to avoid a sudden cabin pressurization bumps
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a. 6 +/- 1 secs
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221. The air from both flow control units deliver a total pressure of ___ to ___ pounds per minute (depending on ambient temperature and altitude) into the cabin
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a. 8 to 16 pounds per minute
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222. Minimum N1 % to pressurize the cabin
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a. 75% dual engine
b. 85% single engine |
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223. Bleed air temperature before/after heat exchanger
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a. 635 degrees F
b. 300 degrees F |
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224. Bleed air from the compressor is regulated at ___
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a. 18 PSI
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225. Pneumatic air normal range
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a. 12-20 psi
b. 20 psi is the max |
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226. Pneumatic pressure with boots inflated
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a. 16-20 psi
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227. Gyro suction range
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a. 2.8 – 5.9
b. 4.3 – 5.9 normal below 15,000 ft |
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228. Max air conditioner BTU output
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a. 32,000 BTU’s with N1 > 70%
b. 18,000 BTU’s on forward unit c. 14,000 BTU’s on aft unit |
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229. At cruise power, the heating system can maintain cabin temp in excess of ___ F at ambient temps of ___ F
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a. 65 F
b. -65 F |
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230. The time delay circuit in the A/C prevents the compressor clutch from being energized until ___ secs after being de-energized
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a. 9 secs
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