Process Control and Instrumentation Process degree of freedom indicates __________ number of controllers to be used. Nothing about the The minimum Both maximum and the minimum The maximum Nothing about the The minimum Both maximum and the minimum The maximum ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The characteristic equation for the control system with a closed loop transfer function G₁/1 + G₂ is given by 1 + G₂ = 0. The characteristic equation for the control system Is the same for set point or load changes Determines its stability Depends only upon the open loop transfer function All of these Is the same for set point or load changes Determines its stability Depends only upon the open loop transfer function All of these ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Pick out the most suitable instrument for measuring temperature in the range of-40 to 425°C. Mercury thermometer Radiation pyrometer Bimetallic thermometer None of these Mercury thermometer Radiation pyrometer Bimetallic thermometer None of these ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following is an undesirable dynamic characteristic of an instrument? Dead zone Reproducibility Time lag Static error Dead zone Reproducibility Time lag Static error ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Phase margin is equal to 180° - phase lag Phase lag - 180° Phase lag + 90° Phase lag + 180° 180° - phase lag Phase lag - 180° Phase lag + 90° Phase lag + 180° ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Dome temperature of blast furnace stove is most accurately measured by a Radiation pyrometer Iron-constantan thermocouple Platinum-platinum/rhodium ther-mocuple Platinum resistance thermometer Radiation pyrometer Iron-constantan thermocouple Platinum-platinum/rhodium ther-mocuple Platinum resistance thermometer ANSWER DOWNLOAD EXAMIANS APP
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