单选题 A push-pull rod is used in manual control of aileron:
A、to balance the aileron angle
B、to reduce aero-elastic phenomena
C、to transmit force in one direction or another
单选题 A cargo holds of class D
A、can completely contain a fire
B、can not contain a fire
C、can partially contain a fire
单选题 A cargo holds of class B are equipped with
A、a fire detection system
B、only a smoke detection system
C、with fixed extinguisher system
单选题 A single cell of Nickel-Cadmium battery provides an electromotive force
A、1,2 V
B、about 10 V
C、about 2 V
单选题 A material classified inflammable:
A、both options are true
B、can promptly light
C、cannot explode
单选题 A diluter/demand regulator of aircraft oxygen system:
A、regulate the oxygen tanks pressure
B、regulates the oxygen percentage according to cabin demand
C、regulates the oxygen percentage up to the altitude
单选题 A battery cell is considered fully charged when:
A、both options are true
B、the battery voltage reaches 2,7v
C、the specific gravity increases until its maximum value
单选题 A electrical transformers has the scope
A、both
B、is used only in AC
C、to convert the voltage AC input to another voltage output
2022-04-15
共264道
