Q&A Forum
1124 questions found
The frequency spectrum of noise is
- infinitely wide
- restricted to the audio band
- restricted to the HF band
is it really infinite?I think the normal is from 20hz to 20000Hz
Stall warning will be given at speeds
- at the actual stall speed
- that are lower than stall speed
- that are higher than stall speed
how will it give the stall warning for speeds which are higher thatn the stall?If this happens we will already have stalled.I think the correact asnwer should be for speeds bellow the stall speed.In order to indicate the pilot that he should decrease his speed not to reach the stall.
CVR is unserviceable
- The aircraft cannot fly unless required data is recorded by FDR
- The aircraft can fly for 72 hours since unserviceablity
- The aircraft can fly for 4 days since unserviceablity
i also think this is wrong.The aircraft is not airworthy is it doesnt have a CVR .Especially when we are talking about civil aviation which the licenses refer to.
Fluorescent tubes for the cabin lighting are powered from
- high voltage produced by transformer ballast units
- 200 volts from ac bus
- 115 volts from ac bus
i think this is wrong it should be 115V ac not high voltage.
Cat 2 RVR if the alert height is 100 feet will be
- 300 m
- 400 m
- 800 m
i think it should be 200m