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 A system with a double pole at the origin is unstable since the corresponding term in the time domain Is a constant Grows exponentially with time Decays linearly with time Grows linearly with time Is a constant Grows exponentially with time Decays linearly with time Grows linearly with time ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The temperature of tempering oil baths maintained at 400°C during heat treatment of steel is measured by a/an __________ thermocouple. None of these Chromel-alumel Platinum-platinum/rhodium Iron-constantan None of these Chromel-alumel Platinum-platinum/rhodium Iron-constantan ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The open loop transfer function of a control system is KR/(1 + TS) . This represents A first order system A first order time lag A second order system Dead time system A first order system A first order time lag A second order system Dead time system ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The __________ of a vapor pressure thermometer is a secondary element. Bourdon tube Bulb Pointer None ofthese Bourdon tube Bulb Pointer None ofthese ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation An emf of the order of mV is generated when two solutions of different hydrogen ion concentration are separated by a thin glass wall. This is the working principle of a Polarograph Polarimeter PH meter Chromatograph Polarograph Polarimeter PH meter Chromatograph ANSWER DOWNLOAD EXAMIANS APP
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