Process Control and Instrumentation The term analogous to voltage in a single tank system is the Level of liquid Liquid volume in the tank Heat content of the system Flow rate Level of liquid Liquid volume in the tank Heat content of the system Flow rate ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The closed loop pole of a stable second order system could be Both real and positive Both real and negative Complex conjugate with positive real parts One real positive and the other real negative Both real and positive Both real and negative Complex conjugate with positive real parts One real positive and the other real negative ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following can not measure a temperature of 1600°C ? Photo-electric pyrometer Radiation pyrometer Thermocouple Platinum resistance thermometer Photo-electric pyrometer Radiation pyrometer Thermocouple Platinum resistance thermometer ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Zirconia probe is used for the measurement of % CO₂ in flue gas % O₂ in flue gas Speed of a submarine Humidity of air % CO₂ in flue gas % O₂ in flue gas Speed of a submarine Humidity of air ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Routh test Criterion provides information about the actual location of roots Criterion is not applicable to systems with polynomial characteristic equation Can not determine as to how many roots of the characteristics equation have positive real roots Cannot be used to test the stability of a control system containing transportation lag Criterion provides information about the actual location of roots Criterion is not applicable to systems with polynomial characteristic equation Can not determine as to how many roots of the characteristics equation have positive real roots Cannot be used to test the stability of a control system containing transportation lag 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 180° 0° 45° 90° 180° 0° 45° 90° ANSWER DOWNLOAD EXAMIANS APP
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