81. A first order system with unity gain and time constant $$\tau $$ is subjected to a sinusoidal input of frequency $${\text{w}} = \frac{1}{\tau }.$$ The amplitude ratio for this system is
82. The Laplace transform of exp(at), where a > 0, is defined only for the Laplace parameter, s > a since
83. The frequency at which maximum amplitude ratio is attained is called the __________ frequency.
84. 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?
85. Sub-zero temperature (< 0°C) can be measured by a constant volume gas thermometer employing
86. Minute depression of freezing point of a liquid solvent on addition of a solid solute can be best measured by a
87. 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?
88. In Bode plot, A.R. vs. w is plotted on a/an __________ graph paper.
89. In Bode plot, Φ vs ω is plotted on a/an __________ graph paper.
90. 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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