Process Control and Instrumentation Which of the following is never used as an element of industrial resistance thermometer? Copper 30% iron + 70% nickel Nickel Lead Copper 30% iron + 70% nickel Nickel Lead ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Pick out the first order system from among the following. Non-interacting system of two tanks in series Interacting system of two tanks in series Damped vibrator Mercury in glass thermometer kept in boiling water Non-interacting system of two tanks in series Interacting system of two tanks in series Damped vibrator Mercury in glass thermometer kept in boiling water ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Stabilising time for the controllers is the time required for the response to reach __________ percent of its ultimate value. 87.5 95 63.2 100 87.5 95 63.2 100 ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following thermocouples has the least temperature measurement range? Iron-constantan Platinum-platinum/rhodium Chromel-alumel Copper-constantan Iron-constantan Platinum-platinum/rhodium Chromel-alumel Copper-constantan ANSWER DOWNLOAD EXAMIANS APP
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 Bimetallic thermometer Beckman thermometer Mercury thermometer Dilatometer Bimetallic thermometer Beckman thermometer Mercury thermometer Dilatometer ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation __________ is undesirable in thermocouples used in industries, Non-linear relation of emf to temperature Oxidation resistance Corrosion resistance Linear relation of emf to temperature Non-linear relation of emf to temperature Oxidation resistance Corrosion resistance Linear relation of emf to temperature ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS