Process Control and Instrumentation Non-metallic diaphragm used as pressure sensor in instruments is generally made of Bakelite Thick paper Teflon Synthetic rubber Bakelite Thick paper Teflon Synthetic rubber ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The open loop transfer function of a control system is KR/(1 + TS) . This represents Dead time system 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 ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Phase lag of the frequency response of a second order system to a sinusoidal forcing function Is 120° Approaches 180° asymptotically Is 30° Is 90° at the most Is 120° Approaches 180° asymptotically Is 30° Is 90° at the most ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following is an undesirable dynamic characteristic of an instrument? Reproducibility Static error Dead zone Time lag Reproducibility Static error Dead zone Time lag ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Thermal conductivity cell is the primary element of a/an __________ analyser. Carbon dioxide Carbon monoxide Sulphur dioxide Oxygen Carbon dioxide Carbon monoxide Sulphur dioxide Oxygen ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Dead zone in an instrument must be less than __________ percent of the scale. 1.5 4 8 0.2 1.5 4 8 0.2 ANSWER DOWNLOAD EXAMIANS APP