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Dawit
| Question | Answer |
|---|---|
| The aerodynamics force acting on rotating propeller blade operating at a normal pitch angle tends to? | Increase the pitch angle |
| Which of the following statements concerning a centrifugal type fule boost pump located in fule supply tank is not true? | The centrifugal type pump is classified as a positive displacement pump |
| How is the fire-extinguishing agent distributed in the engine section? | Spray nozzles and perforated tubing |
| Which of the following variables affect the inlet air density of turbine engine? | Speed of aircraft, altitude of aircraft, ambient temperature |
| Which of the following statements must accurately describe spark plug heat range | A cold plug is designed so that the insulator tip is reasonably short to hasten the rate of heat transfer from the tip through the spark plug shell to the cylinder head. |
| What occurs when a back section type mixture control is placed in idle cutoff | The float chamber will be vented to a negative pressure area |
| Which of the following is not function of carburetor venturi | Regulates the idle system |
| Dislodge internal mufflers baffles on small reciprocating engine may | Obstruct the muffler outlet and cause excessive exhaust back pressure |
| Reciprocating engine power will be decreased at all altitude if the | Humidity is increased |
| Where is the oil for dry sump reciprocating engine exposes to temperature control valves sensing unit | Oil cooler inlet |
| The valve assemblies of opposed reciprocating engines are lubricated by means of | Pressure systems |
| What will be the result of increasing the gap of the breaker points a magneto | Advance the spark and decreases its intensity |
| The action of carburetor airscoop is to supply air to carburetor but it may also | Increase the pressure of the incoming air by ram effect |
| The explosive cartridge in the discharge valve of fire-extinguisher container is | A life dated unit |
| When installing an electrical switch under which of the following conditions should the switch be derated from its normal current rating | Direct current motor circuits |
| A rotary vane pump is best described as a | Positive displacement pump |
| What is the purpose of a slip joint in an exhaust collector ring | It aids the alignment and absorbs expansion |
| What is the function of the inlet guide vane assembly on an axial flow compressor | Direct the air in to the first stage rotor blades at the proper angle |
| Under which of the following conditions is the oil cooler flow control valve open on a reciprocating engine | When the temperature of the oil returning from the engine to low |
| When internally timing magneto the breaker point begin to open when the rotating magnet is | A few degrees past the neutral position |
| What type of electric motor is generally used with a direct cranking engine starter | Direct current series wound motor |
| The use of less than normal throttle opening during starting will cause | A rich mixture |
| The purpose of a bellmouth compressor inlet is to | Maximize the aerodynamics efficiency of the inlet |
| When the switch is off in the battery ignition system the primary circuit is | Opened |
| Increased water vapor (higher relative humidity)in the incoming air to reciprocating engine will normally result in which of the following | Decreased engine power at constant rpm and manifold pressure |
| The capacitor th upe ignition system is used almost universally on turbine engines primarily because of its high voltage and | High heat intensity |
| What causes the fuel divider valve to open in the turbine engine duplex fuel nozzle | Fuel pressure |
| What is the primary purpose of the oil breathers pressurization system that is used on turbine engines | Provides a proper oil spray pattern from the main bearing oil jets |
| One of the best indicators of reciprocating engine combustion chamber problems is | Spark plug condition |
| If a points in vibrator type voltage regulator stick in on the closed position while the generator is operating what will be the probable result | Generator output voltage will increase |
| A major difference between the teledyne continental and RSA (precision airmotive or bendix) continuous flow fuel injection system metering is that the | Continental system uses fuel pressure only as a metering force |
Created by:
Noah2017