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What frequency is a tone which is 4 times the fundamental frequency?
- 2nd overtone.
- 3rd overtone.
- 3rd harmonic.
Explained please?
Supersonic air going through an incipient shock wave will decrease its speed and
- decrease temperature and increase density.
- increase temperature and decrease density.
- increase temperature and increase density.
explan
What effect would a forward CG have on an aircraft on landing?
- Increase stalling speed.
- Reduce the stalling speed.
- No effect on the landing.
Can anyone explain?
Given 43-x = 21, find the value of x.
- x=43-21
- x=43/21
- x=43+21
Why?
A process where temperature remains the same is known as
- isochoric.
- isobaric.
- isothermic.
I am a bit confused with meaning of isobaric, isochoric, isothermic