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1 . Which instrument is used to measure altitudes in aircraft's ?
A. Altimeter B. Ammeter
C. Audiometer
D. Anemometer

2 . Which instrument is used to measures strength of electric current?
A. Ammeter B. Altimeter
C. Audiometer D. Anemometer

3 . Which instrument is used to measure intensity of sound?
A. Altimeter B. Ammeter
C. Audiometer D. Anemometer

4 . Which instrument is used to measures force and velocity of wind and directions?
A. Altimeter B. Ammeter
C. Audiometer
D. Anemometer

5 . Which instrument is used to measure depth of ocean ?
A. Fluxmeter B. Endoscope
C. Fathometer D. Galvanometer




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