Chemical Engineering :: Process Control and Instrumentation
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__________ is undesirable in thermocouples used in industries,
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Select the correct statement from the following.
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For an input forcing function, X(t) = 2t2, the Laplace transform of this function is
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Continuous shell temperature measurement in a liquid-liquid heat exchanger is done by a
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The __________ of a vapor pressure thermometer is a secondary element.
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Emf developed by a thermocouple, while measuring a temperature of 600°C is about 5.5 mV. The type of thermocouple used is
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Which of the following relates the absorption & evolution of heat at the junctions of a thermocouple to the current flow in the circuit?
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The second order system with the transfer function has a damping ratio of
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In a shell and tube heat exchanger, the flow rate of heating/cooling fluid is the __________ variable.
A.
The frequency response of a pure capacity process is unbounded.
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B.
The phase lag of a pure time delay system decreases with increasing frequency.
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C.
The amplitude ratio of a pure capacity process is inversely proportional to frequency.
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D.
The amplitude ratio of a pure time delay system increases with frequency.
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