Process Control and Instrumentation Minute depression of freezing point of a liquid solvent on addition of a solid solute can be best measured by a Mercury thermometer Bimetallic thermometer Beckman thermometer Dilatometer Mercury thermometer Bimetallic thermometer Beckman thermometer Dilatometer 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. Chromel-alumel Iron-constantan Platinum-platinum/rhodium None of these Chromel-alumel Iron-constantan Platinum-platinum/rhodium None of these ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Process degree of freedom indicates __________ number of controllers to be used. Both maximum and the minimum Nothing about the The maximum The minimum Both maximum and the minimum Nothing about the The maximum The minimum ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation A magnetic flowmeter is All of these Capable of measuring the flow rate of slurries and electrolytes Based on the linear relationship between the fluid flow rate and the induced voltage Based on the principle of Faraday's law All of these Capable of measuring the flow rate of slurries and electrolytes Based on the linear relationship between the fluid flow rate and the induced voltage Based on the principle of Faraday's law ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Dilute wine was used as a thermometric liquid initially to develop temperature scale. First emperical temperature scale developed was the __________ scale. Fahrenheit Reaumer Centigrade Kelvin Fahrenheit Reaumer Centigrade Kelvin ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Temperature control of an exothermic chemical reaction taking place in a CSTR is done with the help of cooling water flowing in a jacket around the reactor. The types of valve and controller action to be recommended are Air to close valve with the controller direct acting Air to open valve with the controller direct acting Air to close valve with the controller indirect acting Air to open valve with the controller indirect acting Air to close valve with the controller direct acting Air to open valve with the controller direct acting Air to close valve with the controller indirect acting Air to open valve with the controller indirect acting ANSWER DOWNLOAD EXAMIANS APP
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