Process Control and Instrumentation Bimetal strips are not used in Thermostats Bimetallic thermometers Relays for opening & closing of electrical circuits Thermocouples Thermostats Bimetallic thermometers Relays for opening & closing of electrical circuits Thermocouples ANSWER DOWNLOAD EXAMIANS APP
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 Mercury A metal powder or graphite Oil Air Mercury A metal powder or graphite Oil Air ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation __________ controller has the maximum stabilising time. PID PD P PI PID PD P PI ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The frequency response of a first order system, has a phase shift with lower and upper bounds given by 0, π/2 -π/2, 0 -π/2, π/2 - ∞, π/2 0, π/2 -π/2, 0 -π/2, π/2 - ∞, π/2 ANSWER DOWNLOAD EXAMIANS APP
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 45° 180° 0° 90° 45° 180° 0° 90° ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Characteristic equation is the denominator of __________ loop transfer function. Open Closed Neither A Nor B Here Both A & B Here Open Closed Neither A Nor B Here Both A & B Here ANSWER DOWNLOAD EXAMIANS APP