Process Control and Instrumentation Cascade control means More than one feed-back loop One feed-back loop Feed forward control On-off control More than one feed-back loop One feed-back loop Feed forward control On-off control ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Configuration of Bourdon spring tube is never made of __________ shape. Spiral Semi-circular Helical Circular Spiral Semi-circular Helical Circular ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation On-off controllers are normally used for Temperature changes Flow rate changes Low loads None of these Temperature changes Flow rate changes Low loads None of these ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Pick out the first order system from among the following. 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 Non-interacting system of two tanks in series Mercury in glass thermometer kept in boiling water ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following is not classified as a thermo electric pyrometer Optical pyrometer (disappearing filament type) Resistance thermometer Radiation pyrometer Thermocouple Optical pyrometer (disappearing filament type) Resistance thermometer Radiation pyrometer Thermocouple ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation A control system is unstable, if the open loop frequency response exhibits an amplitude ratio exceeding unity at the crossover frequency. This is __________ criterion. Bode stability Routh stability None of these Nyquist Bode stability Routh stability None of these Nyquist ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS