Question : An instrument used to measure the density of milk is :
Option 1: Lactometer
Option 2: Barometer
Option 3: Calorimeter
Option 4: Polarimeter
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Correct Answer: Lactometer
Solution : The correct answer is Lactometer.
The device used to evaluate the quality of milk is called a lactometer. It is a tool that figures out how much water and cream were added to a sample of milk. It functions following gravity's law. Milk is examined before being used in numerous industrial processes to produce a range of goods.
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Question : The instrument used to measure pressure :
Option 1: anemometer
Option 2: aneroid barometer
Option 3: hygrometer
Option 4: thermometer
Question : The instrument that measures and records the relative humidity of the air is
Option 1: Hydrometer
Option 2: Hygrometer
Option 3: Lactometer
Option 4: Barometer
Question : Venturi meters are used to measure:
Option 1: Rate of flow of liquids
Option 2: Liquid pressure
Option 3: Surface tension
Option 4: Liquid density
Question : One litre of milk costs INR 40. Water is mixed with milk and the mixture cost becomes INR 30 per litre. Find the ratio of water and milk in the mixture.
Option 1: 2 : 5
Option 2: 1 : 3
Option 3: 1 : 2
Option 4: 2 : 3
Question : A planimeter is used to measure:
Option 1: Height of a region
Option 2: Direction
Option 3: Road distance
Option 4: Areas
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