Process Control and Instrumentation Which of the following thermocouples is capable of measuring a temperature of -50°C? Platinum - platinum + rhodium Copper - constantan Chromel - alumel Iron-constantan Platinum - platinum + rhodium Copper - constantan Chromel - alumel Iron-constantan ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Bimetal strips are not used in Bimetallic thermometers Thermocouples Relays for opening & closing of electrical circuits Thermostats Bimetallic thermometers Thermocouples Relays for opening & closing of electrical circuits Thermostats ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Cascade control means Feed forward control On-off control One feed-back loop More than one feed-back loop Feed forward control On-off control One feed-back loop More than one feed-back loop ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation For a feed back control system to be stable, the Bode plots of the corresponding open loop transfer function should monotoni-cally decrease Poles of the closed loop transfer function should lie in the left half of the complex plane Poles of the closed loop transfer function should lie in the right half of the complex plane Roots of the characteristic equation should be real Bode plots of the corresponding open loop transfer function should monotoni-cally decrease Poles of the closed loop transfer function should lie in the left half of the complex plane Poles of the closed loop transfer function should lie in the right half of the complex plane Roots of the characteristic equation should be real ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Instrumentation in a plant offers the advantage of All of these Greater safety of operation Greater operation economy Better quality of product All of these Greater safety of operation Greater operation economy Better quality of product ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Platinum resistance thermometer can be used upto antimony point which is __________ °C, and is the temperature of equilibrium between solid antimony & liquid antimony at normal atmospheric pressure. 630.74 1064.43 961.93 1261.93 630.74 1064.43 961.93 1261.93 ANSWER DOWNLOAD EXAMIANS APP
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