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° 45° 180° 0° 90° 45° 180° 0° ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation __________ is undesirable in thermocouples used in industries, Linear relation of emf to temperature Oxidation resistance Non-linear relation of emf to temperature Corrosion resistance Linear relation of emf to temperature Oxidation resistance Non-linear relation of emf to temperature Corrosion resistance ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The fluid used in hydraulic controller is Air Water Steam Oil Air Water Steam Oil 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. All of these Viscosity Pressure Volume All of these Viscosity Pressure Volume 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 Non-interacting system of two tanks in series Interacting system of two tanks in series Mercury in glass thermometer kept in boiling water Damped vibrator Non-interacting system of two tanks in series Interacting system of two tanks in series ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The term analogous to the electrical current in a thermal system is the None of these Heat flow rate Heat content in the system Temperature difference None of these Heat flow rate Heat content in the system Temperature difference ANSWER DOWNLOAD EXAMIANS APP
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