General Knowledge
Ans : Instrument for measuring weight and density of air and gases.
Ans : Instrument for determining speeds of aeroplanes and motor boats.
Ans : Aparatus used for measuring the purity of milk.
Ans : Instrument for determining the amount of sugar in a solution.
Ans : An optical instrument used for finding out the altitude of celestial bodies and their angular distances.
Ans : Apparatus for recording of rainfall at a particular piece.
Ans : Instrument for recording electrical or mechanical vibrations.
Ans : Instrument for recording high temperatures froma great distance.
Ans : Instrument used for measuring quantities of heat.
Ans : Instrument to measure refractive indices.
Ans : Instrument used for measuring arterial bolld- pressure.
Ans : Apparatus used for determining the pressure of a gas.
Ans : Instrument to measure intensity of sound.
Ans : Instrument for measuring the amount of water vapours (humidity) in the atmosphere.
Ans : Instrument to measure the force and velocity of wind.
Ans : An electrical apparatus used to convert high voltage to low and vice versa
Ans : Instrument for measuring the emission of radiant energy.
Ans : Instrument for recording the amount of radiation emitted by a source of radio-activity.
Ans : Instrument used to record graphically various physiological movements i.e.,blood pressure,heart beating, study of lungs etc. in living beings.
Ans : Instrument used in aircraft to measure altitude.
Ans : Instrument used to measure electrical current flowing in a circuit.
Ans : Instrument for measuring curvature of surfaces.
Ans : Instrument used for recording sound under water
Ans : Instrument used for measuring the specific gravity of liquids
Ans : Instrument used for recording earthquake shocks.
Ans : Apparatus used to compare the illuminating power of two sources of light.
Ans : A medical instrument for tracing heart movements.
Ans : Instrument for transforming mechanical energy into electrical energy.
Ans : Instrument for use in recording growth of plants.
Ans : Instrument used for measuring depth of the ocean.
Ans : Instrument by which the distance covered by wheeled vehicles is recorded.
Ans : Instrument used to regulate the temperature to a particular degree.
Ans : Instrument used to measure the atmospheric pressure.
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