Process Control and Instrumentation Routh test Criterion provides information about the actual location of roots Cannot be used to test the stability of a control system containing transportation lag Can not determine as to how many roots of the characteristics equation have positive real roots Criterion is not applicable to systems with polynomial characteristic equation Criterion provides information about the actual location of roots Cannot be used to test the stability of a control system containing transportation lag Can not determine as to how many roots of the characteristics equation have positive real roots Criterion is not applicable to systems with polynomial characteristic equation ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Pick out the first order system from among the following. Mercury in glass thermometer kept in boiling water Damped vibrator Interacting system of two tanks in series Non-interacting system of two tanks in series Mercury in glass thermometer kept in boiling water Damped vibrator Interacting system of two tanks in series Non-interacting system of two tanks in series 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. 63.2 95 100 87.5 63.2 95 100 87.5 ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following temperature measuring instruments need not touch the object whose temperature is being measured? Filled system thermometer Mercury in glass thermometer Thermo electric pyrometer Radiation/infrared pyrometer Filled system thermometer Mercury in glass thermometer Thermo electric pyrometer Radiation/infrared pyrometer ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Response of a system to a sinusoidal input is called __________ response. None of these Frequency Impluse Unit step None of these Frequency Impluse Unit step ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following shows maximum dip effect (indicating reverse direction of temperature change)? Mercury thermometer Thermocouple Radiation pyrometer Bimetallic thermometer Mercury thermometer Thermocouple Radiation pyrometer Bimetallic thermometer ANSWER DOWNLOAD EXAMIANS APP
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