Q. In a feed-back control system G and H denote open loop and close loop transfer functions respectively. The output-input relationship is

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Q. Flow rate measurement of hostile acids and alkalis can be most suitably done by a/an

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Q. Compositional analysis of flue gas coming out of a furnace in respect of O₂ and CO₂ % can be continuously done by a/an

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Q. Thermisters which have a very high temperature co-efficient of resistivity belong to the class of solid called

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Q. The pressure sensing element of elastic type pressure gauge is never made in the form of a

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Q. What is the Laplace transform of impulse input having magnitude 'X' ?

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Q. Thermocouple is suitable for measuring

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Q. Bimetal strips are not used in

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Q. When the damping co-efficient (ξ) is unity, the system is

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Q. Nickel percentage in invar which is an iron-nickel alloy, and is used as a thermocouple material is

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Q. The level of a liquid under pressure can be determined using

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Q. Temperature measurement range of iron-constantan thermocouple is 0 to 870°C. It can be used to measure sub zero temperature, because at lower temperature

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Q. Which of the following is never used as an element of industrial resistance thermometer ?

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Q. Which of the following shows maximum dip effect (indicating reverse direction of temperature change) ?

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Q. A stable system is the one

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Q. Sub-zero temperature (< 0°C) can be measured by a constant volume gas thermometer employing

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Q. __________ is an example of distributed parameter system

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Q. Which of the following is not classified as a thermo electric pyrometer ?

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Q. Maximum differential pressure in liquid manometer is __________ psi.

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Q. Phase margin is equal to

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