Q. Continuous flue gas analyser makes use of paramagnetic properties of some of its constituents, which move towards the strongest part of the magnetic field thus displacing diamagnetic gases. Which of the following gases is diamagnetic ?

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Q. Dilatometer is used to measure

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Q. The time constant of a unity gain, first order plus time delay process is 5 min. If the phase lag at a frequency of 0.2 rad/min is 60°, then the dead time (in minutes) is

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Q. Which of the following does not figure in the list of seven substances selected for international temperature scale ?

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Q. A constant volume gas thermometer employing __________ is used to measure sub-zero (i.e., < 0° C) temperature.

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Q. pH meter has

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Q. Routh test

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Q. Bode diagram are generated from output response of the system subjected to which of the following input?

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Q. Which of the following thermocouples is the most suitable for measuring a temperature of about 1600°C in an oxidizing atmosphere ?

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Q. Mercury thermometer can be used to measure the temperature upto __________ °C.

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Q. The transfer function of a process is 1 / (16s² + 8s + 4) . If a step change is introduced into the system, then the response will be

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Q. Composition of alloys can be determined by

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Q. Optical activity of a solution can be determined using a

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Q. Stability of a control system containing a transportation lag can be best analysed by

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Q. Stabilising time for the controllers is the time required for the response to reach __________ percent of its ultimate value.

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Q. Vapour actuated pressure spring thermometer does not require ambient temperature compensation. Ambient temperature compensation is provided in gas or liquid expansion pressure spring thermometer by

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Q. Which of the following is not a differential pressure flow meter ?

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Q. Working principle of mercury in glass thermometer is based on volumetric expansion of mercury with increase in temperature. Which of the following undergoes minimum volumetric expansion for a given temperature change ?

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Q. Bourdon gauges are used for measuring pressure (kg/cm² )

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Q. A photo electric device in which the resistance of the metal is directly proportional to the light striking on it, is known as photo-conductive cell. Photoelectric transducers are used for the measurement of those parameters, which can be used to produce variation in

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