The function of spark igniter is
A. to generate spark and light the gas mixture.
B. to prevent the generator from shutting down.
C. to mix the high-temperature fuel with gas.
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The work courses of Brayton cycle are
A. adiabatic expansion process, constant-pressure heating process, adiabatic compression process and constant-pressure exothermic process
B. adiabatic compression process, constant-pressure heating process, adiabatic expansion process and constant-pressure exothermic process
C. adiabatic expansion process, constant-pressure exothermic process, adiabatic compression process and constant-pressure heating process
The function of the engine intake is
A. rectifying outer air, and introducing enough airflow to the compressor.
B. pressing air to pressurize when flight speed is slower than the speed of the airflow into the engine intake.
C. pressing air to decompress when flight speed is quicker than the speed of the airflow into the engine intake.
Lubricating oil system parameters monitored by pilots mainly include
A. oil pressure, oil temperature, metal filing, oil capacity
B. oil color, oil temperature, dust, oil capacity
C. oil pressure, oil temperature, dust, oil capacity
高涵道比涡扇发动机产生最大正推力的部件是
A. 尾喷管
B. 涡轮
C. 风扇
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