Process Control and Instrumentation Nichol's chart deals with R. vs. phase lag of first order Frequency response values of controllers R. vs. phase lag of second order Closed loop values vs. open loop values R. vs. phase lag of first order Frequency response values of controllers R. vs. phase lag of second order Closed loop values vs. open loop values ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation An amplitude ratio of 0.1 corresponds to __________ decibels. -10 -20 20 10 -10 -20 20 10 ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation According to Bode stability criterian, a system is unstable, if the open loop frequency response exhibits an amplitude ratio exceeding unity at frequency for which phase lag is 90° 0° 180° 45° 90° 0° 180° 45° ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Stabilising time for the controllers is the time required for the response to reach __________ percent of its ultimate value. 87.5 63.2 100 95 87.5 63.2 100 95 ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Sub-zero temperature (< 0°C) can be measured by a constant volume gas thermometer employing Hydrogen None of these Helium Nitrogen Hydrogen None of these Helium Nitrogen ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following filled system expansion thermometer has the capability to measure the lowest temperature? Mercury in steel thermometer Alcohol in glass thermometer Mercury in glass thermometer Fused metal (Na or K) in steel thermometer Mercury in steel thermometer Alcohol in glass thermometer Mercury in glass thermometer Fused metal (Na or K) in steel thermometer ANSWER DOWNLOAD EXAMIANS APP
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