Q181
Open questionA first order system with unity gain and time constant is subjected to a sinusoidal input of frequency The amplitude ratio for this system is
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Process Control And Instrumentation
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Q182
Open questionThe Laplace transform of exp(at), where a > 0, is defined only for the Laplace parameter, s > a since
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Q183
Open questionThe frequency at which maximum amplitude ratio is attained is called the __________ frequency.
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Q184
Open questionContinuous 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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Q185
Open questionSub-zero temperature (< 0°C) can be measured by a constant volume gas thermometer employing
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Q186
Open questionMinute depression of freezing point of a liquid solvent on addition of a solid solute can be best measured by a
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Q187
Open questionThermal 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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Q188
Open questionIn Bode plot, A.R. vs. w is plotted on a/an __________ graph paper.
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Q189
Open questionIn Bode plot, Φ vs ω is plotted on a/an __________ graph paper.
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Q190
Open questionCompositional 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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Q191
Open questionFlame photometry is used for the determination of compositional analysis of
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Q192
Open question__________ type of element is normally not used in the bimetallic thermometers.
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Q193
Open questionWhich of the following can measure temperatures in the range of - 20 to 300°C ?
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Q194
Open questionParamagnetism method is not used for the composition determination of __________ in gases.
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Q195
Open questionThe transfer function for a P-D controller is
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Q196
Open questionWhich of the following thermocouples will give the highest output for the same value of hot and cold junction temperature?
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Q197
Open questionNichol's chart deals with
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Q198
Open questionPhase lag of the sinusoidal response of a first order system is
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Q199
Open questionThe unit step response of the transfer function
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Q200
Open questionThe thermal emf-temperature relationship of most thermocouples is
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