Process Control and Instrumentation Phase lag of the frequency response of a second order system to a sinusoidal forcing function Approaches 180° asymptotically Is 120° Is 30° Is 90° at the most Approaches 180° asymptotically Is 120° Is 30° Is 90° at the most ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Minute depression of freezing point of a liquid solvent on addition of a solid solute can be best measured by a Mercury thermometer Dilatometer Beckman thermometer Bimetallic thermometer Mercury thermometer Dilatometer Beckman thermometer Bimetallic thermometer ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation What is the dynamic error in a critically damped second order instrument for a ramp input (AT)? 1.5 AT √AT 0.5 AT 2 AT 1.5 AT √AT 0.5 AT 2 AT ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Pick out the first order system from among the following. Non-interacting system of two tanks in series Mercury in glass thermometer kept in boiling water Interacting system of two tanks in series Damped vibrator Non-interacting system of two tanks in series Mercury in glass thermometer kept in boiling water Interacting system of two tanks in series Damped vibrator ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following can measure temperatures in the range of - 20 to 300°C ? Resistance thermometer Vapor pressure thermometer None of these Mercury in glass thermometer Resistance thermometer Vapor pressure thermometer None of these Mercury in glass thermometer ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Sub-zero temperature (< 0°C) can be measured by a constant volume gas thermometer employing None of these Hydrogen Nitrogen Helium None of these Hydrogen Nitrogen Helium ANSWER DOWNLOAD EXAMIANS APP
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