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 90° 180° 0° 45° 90° 180° 0° 45° ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation __________ controller has the maximum stabilising time. PI PD PID P PI PD PID P ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Stalagmometer is used for the measurement of Kinematic viscosity Surface tension Refractive index Optical activity Kinematic viscosity Surface tension Refractive index Optical activity ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The __________ of the fluid contained in the temperature sensing element (i.e., bulb) of filled system thermometers changes with change in temperature. Pressure All of these Volume Viscosity Pressure All of these Volume Viscosity ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The time constant of a unity gain, first order plus time delay process is 5 min. If the phase lag at a frequency of 0.2 rad/min is 60°, then the dead time (in minutes) is 5π/12 π/12 π/6 π/3 5π/12 π/12 π/6 π/3 ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Thermal conductivity cell is the primary element of a/an __________ analyser. Carbon dioxide Oxygen Carbon monoxide Sulphur dioxide Carbon dioxide Oxygen Carbon monoxide Sulphur dioxide ANSWER DOWNLOAD EXAMIANS APP