Aviation exam part b test answers4/20/2023 ![]() Some AOA systems incorporate a stick pusher actuator that pushes the control yoke backwards to lower the nose of the aircraft. Two types of Angle of Attack sensors used in aircraft are the vane type which uses an alpha vane externally mounted to the outside of the fuselage and the other type uses two slots in a probe that extends out of the side of the fuselage. Tachometers used for turbine engines monitor the speed of the compressor section of the engine. Aircraft with direct current systems (DC) often use synchro systems for transmitting information from one point to another. The calculations of calibrated airspeed for modern aircraft with digital instruments are performed by the ADC. True airspeed is the relationship between the ram air pressure and static air pressure. The engine pressure indicator (EPR) compares the total exhaust pressure to the pressure of the ram air at the inlet of the engine. Solid state pressure sensing systems are internal sensing systems. Many flight instruments use a Bourdon type of sensing device. In a Bourdon tube the higher the pressure of the fluid, the more the tube straightens. The three basic kinds of instruments are classified as: flight instruments, engine instruments, and environmental control instruments. Direct sensing instruments sense and display the information all in one instrument. Compass magnetic deviation is caused by _ interference from ferrous materials and operating _ components in the cockpit. When an aircraft is to be operational under IFR, an altimeter test must have been performed within the previous _ months.Ģ5. The FMS coordinates the adjustment of _, _, and _ parameters either automatically or by instructing the pilot how to do so.Ģ4. The highest level of automated flight system is the _.Ģ3. The _ system automatically monitors the airframe and engine systems and alerts the flight crew in case of a system failure.Ģ2. The Electronic Attitude Director Indicator (EADI) is an advanced version of _ and _ indicators.Ģ1. The four basic components of an autopilot system are:Ģ0. Automatic pilot systems are capable of keeping aircraft stabilized _, _, and _.ġ9. The attitude indicator, or _, provides _ and _ information.ġ8. Gyro instruments are driven by: _, _ or _.ġ7. Solid state magnetometers can not only sense the _ to the earth magnetic poles, but also the _ of the flux field.ġ6. Modern aircraft AOA sensors units send output signals to the _.ġ5. An accelerometer is used to monitor _ acting upon an airframe and are used in _ navigation systems.ġ4. Some turbine engines use _ for rpm indication, rather than _ system.ġ3. The tachometer indicates the speed of the _ of a reciprocating engine.ġ2. Autosyn systems are distinguished from Magnasyn systems by the fact that the transmitter and indicator rotors used are _ magnets rather than _ magnets.ġ1. A _ is an electric system used for transmitting information from one point to another.ġ0. Many high performance aircraft are equipped with _ for monitoring Mcrit.ĩ. Digital flight instruments perform all of the calculations for _ in the ADC.Ĩ. Altimeters that measure an aircraft’s _ by measuring _ of the atmosphere are known as _ altimeters.ħ. ADCs receive input from the _ sensing devices and process them for use by numerous _.Ħ. Modern high performance aircraft use a digital air data computer that converts _ into _.ĥ. 3 fundamental pressure‐sensing mechanisms used in aircraft instrument are the _, the _, and the _ sensing device.Ĥ. Original analogue flight instruments are operated by _ pressure and the use of _.ģ. One part _ the situation and another part to _ it.Ģ. There are usually two parts to any instrument or instrument system.
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