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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Q. A typical example of a physical system with under damped characteristic is a

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Q. An aneroid barometer measures the __________ pressure.

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Q. A bolometer is

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Q. Thermal wells are used in the temperature measurement to

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Q. The offset introduced by proportional controller with gain Kc in response of first order system can be reduced by

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Q. When a bare thermocouple is covered by a protective sheath, the response becomes

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Q. What is the normal percentage of rhodium in platinum + rhodium element used in the thermocouple ?

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Q. Helium gas constant volume thermometer is suitable for the measurement of a temperature of __________ °C.

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Q. Mass spectrometer is used for the composition analysis of

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Q. A first order system with a time constant of 1 min is subjected to frequency response analysis. At an input frequency of 1 radian/min, the phase shift is

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Q. __________ stability method uses open loop transfer function.

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Q. A pyranometer is an instrument used for measuring the

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Q. All the thermocouples used for temperature measurement use dissimilar metal

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Q. The inverse Laplace transform of the function f(s) = 1 / S(1+S) is

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Q. Thermal conductivity based continuous flue gas analyser makes use of varying thermal conductivity of the constituents of flue gases. Which of the following constituents of flue gases has the maximum thermal conductivity ?

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Q. Emf generated in a thermocouple depends on the temperature

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Q. Working principle of mercury in glass thermometer is based on the __________ of mercury with increase in temperature.

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