Process Control and Instrumentation Positioning controllers are used for Low loads High loads Flow rate changes Temperature changes Low loads High loads Flow rate changes Temperature changes ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation 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? Methyl alcohal Carbon-tetrachloride Mercury Water Methyl alcohal Carbon-tetrachloride Mercury Water ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Compositional analysis of __________ is done using mass spectrometer. An isotope A solid An alloy Natural gas An isotope A solid An alloy Natural gas ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Continuous measurement of specific gravity of a liquid is done by Both A and C Contact-type electric indicators Displacement meter Hydrometer Both A and C Contact-type electric indicators Displacement meter Hydrometer ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation For a feed back control system to be stable, the Roots of the characteristic equation should be real Poles of the closed loop transfer function should lie in the right half of the complex plane Poles of the closed loop transfer function should lie in the left half of the complex plane Bode plots of the corresponding open loop transfer function should monotoni-cally decrease Roots of the characteristic equation should be real Poles of the closed loop transfer function should lie in the right half of the complex plane Poles of the closed loop transfer function should lie in the left half of the complex plane Bode plots of the corresponding open loop transfer function should monotoni-cally decrease ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Working principle of bimetallic thermometers is difference in linear co-efficient of thermal expansion of two strips of different metals welded together. Which of the following has the maximum thermal co-efficient of linear expansion? Nickel Brass Chromel Invar Nickel Brass Chromel Invar ANSWER DOWNLOAD EXAMIANS APP
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