Process Control and Instrumentation To increase the speed of response of a pressure spring liquid or gas expansion thermometer, the clearance space between the thermometer bulb and the thermal well should not be filled with Oil Air Mercury A metal powder or graphite Oil Air Mercury A metal powder or graphite 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 Depends only upon the open loop transfer function Determines its stability All of these Is the same for set point or load changes Depends only upon the open loop transfer function Determines its stability All of these Is the same for set point or load changes ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation In a shell and tube heat exchanger, the outlet temperature of heating/cooling fluid is the __________ variable. Manipulated Controlled Load None of these Manipulated Controlled Load None of these ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Typical specifications for design stipulates the gain margin and phase margin to be respectively > 1.7 and > 30° < 1.7 and > 30° < 1.7 and < 30° > 1.7 and < 30° > 1.7 and > 30° < 1.7 and > 30° < 1.7 and < 30° > 1.7 and < 30° ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Hot wire anemometer is used for the measurement of Very high temperature Thermal conductivity of gases Flow rates of fluids Flow rates of granular solids Very high temperature Thermal conductivity of gases Flow rates of fluids Flow rates of granular solids ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Nichol's chart deals with Frequency response values of controllers R. vs. phase lag of first order Closed loop values vs. open loop values R. vs. phase lag of second order Frequency response values of controllers R. vs. phase lag of first order Closed loop values vs. open loop values R. vs. phase lag of second order ANSWER DOWNLOAD EXAMIANS APP
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