Q. Change of angle of refraction with composition comprises the working principle of a

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Q. Which of the following instruments is not used for measuring sub-zero (<0°) temperatures ?

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Q. Which of the following is not suitable for measuring the temperature of a red hot object in the range of 800 - 1600°C ?

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Q. Flame photometry is used for the determination of compositional analysis of

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Q. Pick out the wrong statement.

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Q. Working principle of mercury in glass thermometer is

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Q. The frequency at which maximum amplitude ratio is attained is called the __________ frequency.

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Q. Which of the following can measure temperatures in the range of - 20 to 300°C ?

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Q. Composition of natural gas is determined by the

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Q. If response of a control system is to be free of offset and oscillation, the most suitable controller is

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Q. Conversion formula for converting amplitude ratio (AR) into decibels is

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Q. A manometer measures the __________ pressure.

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Q. Normal mercury thermometer can be used to measure a temperature of about 300°C. However, its maximum temperature measurement range can be increased upto about 500°C by

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Q. Minute depression of freezing point of a liquid solvent on addition of a solid solute can be best measured by a

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