Q. If the differential amplifier gives a negative output then it infers which of the following (Reference output is given to the positive terminal and sample output is given to the negative terminal)?

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Q. If the differential amplifier gives a positive output then it infers which of the following (Reference output is given to the positive terminal and sample output is given to the negative terminal)?

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Q. If the differential amplifier gives zero as output then it infers which of the following (Reference output is given to the positive terminal and sample output is given to the negative terminal)?

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Q. The output from both the detectors is given to which of the following devices?

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Q. Which of the following detectors are used in silica analyser?

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Q. Which of the following is not added to the sample during analysis during silica analysis?

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Q. Which of the following principles are used in silica analyser?

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Q. Presence of sodium sulphate in water causes corrosion in boilers.

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Q. Cleaning process gives accuracy and long life.

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Q. The output of the electrode in sodium analyser is proportional to which of the following parameters?

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Q. In which part of the apparatus is the reference and ion selective electrodes placed?

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Q. Which of the following are used to free bound ions or liberate bound ions?

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Q. Sodium selective electrode provides a good response in measurement when the pH is above which of the following values?

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Q. Which of the following represent the concentration of a solution?

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Q. Normally, electrodes measure which of the following parameters?

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Q. Which of the following are added for pH adjustment in sodium analyser?

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Q. Which of the following indicate leakages in a condenser?

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Q. In dissolved oxygen analyser, normally more than one condenser is used.

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Q. Oxygen content can be controlled by adding which of the following materials with water?

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Q. The dissolved oxygen analyser is based on which of the following meters?

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