RRB Group-D Model Paper 16 with answers for online practice

Question : 74 of 100

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The instrument used for measuring the Purity/ Density or richness of Milk is

Instrument	Usage
Anemometer	Used to measure the speed, direction, and pressure of the wind.
Lactometer	Measures the relative density of milk.
Callipers	Measures diameters of thin cylinder/wire.
Glucometer	Used for measuring blood glucose.
Galvanometer	Measures electric current
Spectrometer	Used to separate and measure spectral components.
Hygrometer	Used to measure the moisture content or the humidity of air or any gas
Hydrometer	Measures the relative density of liquids.
Manometer	Used for measuring atmospheric pressure.
Pyrheliometer	Used for measuring Solar irradience.

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