20000+ Important MCQs for AIR FORCE

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20000+ MCQs for AIR FORCE are available here. You can learn these questions for your better preparation. Questions are available with its correct answer. You can check the correct answer of any questions by clicking the option or show answer button.
Have a nice day and enjoy learning AIR FORCE MCQ Questions.

Q. A hydrometer measures:

(A) Humidity
(B) Relative density of liquids
(C) Temperature
(D) Air pressure

Q. Which instrument measures the level of humidity?

(A) Hydrometer
(B) Hygrometer
(C) Barometer
(D) Lactometer

Q. A hydrophone is used to measure:

(A) Sound under water
(B) Ocean depth
(C) Water pressure
(D) Water temperature

Q. A lactometer is used to determine:

(A) Purity of milk
(B) Sugar content
(C) Water pressure
(D) Milk temperature

Q. A machmeter measures:

(A) Wind speed
(B) Aircraft speed in terms of the speed of sound
(C) Engine power
(D) Altitude

Q. A manometer measures:

(A) Humidity
(B) Pressure of gases
(C) Ocean depth
(D) Voltage

Q. A microphone converts:

(A) Heat into sound
(B) Sound waves into electrical signals
(C) Electricity into light
(D) Pressure into heat

Q. An odometer measures:

(A) Vehicle speed
(B) Distance travelled by a vehicle
(C) Fuel consumption
(D) Engine power

Q. An ohmmeter is used to measure:

(A) Electric current
(B) Electrical resistance
(C) Voltage
(D) Power

Q. A periscope is mainly used in:

(A) Aircraft
(B) Submarines
(C) Satellites
(D) Spacecraft

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