Q. Acoustic wave in QCM meets minimum impedance when thickness of device is __________________

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Q. Direction of acoustic wave in QCM will be ______________

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Q. Quartz can be used as bio sensors.

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Q. SAW stands for ________________

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Q. Mass sensors are a combination of SAW.

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Q. Photo ionization and flame ionization technique are most favoured in detection of ____________

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Q. IR sensors are used in detection of _______________

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Q. Chemiresistor sensors are used for test gases in _______________

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Q. Heater power in thick film hybrid technology is __________

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Q. Water purity is tested by ____________

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Q. Glass electrode is an ion selective electrode.

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Q. ISE stands for __________________

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Q. Polypropylene is a/an _____________

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Q. Which of the following change electrical conductivity on the absorption of a gas molecule?

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Q. Cladding in glass fibre have high refractive index than the core.

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Q. Loss associated with plastic fibre is less than glass fibres.

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Q. Which of the following represents loss associated with glass fibres?

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Q. Plastics optical cables can be used for ________________

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Q. Epoxy material in fibre optics is intended for ________________

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Q. General spectral range for silica glass is _______________

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