Process Control and Instrumentation Emf developed by a thermocouple while measuring a temperature of 400°C is 22 mV. The type of thermocouple used is Platinum-platinum+rhyodium Chromel-alumel Iron-constantan Platinum-rhodium Platinum-platinum+rhyodium Chromel-alumel Iron-constantan Platinum-rhodium ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation On-off controllers are normally used for Low loads Flow rate changes None of these Temperature changes Low loads Flow rate changes None of these Temperature changes ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation __________ are analysed using a polarograph. Solids Isotonic solutions Liquids Gases Solids Isotonic solutions Liquids Gases ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation __________ type of element is normally not used in the bimetallic thermometers. Single helix Bourdon tube Multiple helix Flat spiral Single helix Bourdon tube Multiple helix Flat spiral ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Thermal well made of __________ gives the fastest speed of response, while measuring temperature by thermocouples. Steel Inconel Nichrome Vycor (a glass) Steel Inconel Nichrome Vycor (a glass) ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Working principle of mercury in glass thermometer is based on volumetric expansion of mercury with increase in temperature. Which of the following undergoes minimum volumetric expansion for a given temperature change? Carbon-tetrachloride Mercury Methyl alcohal Water Carbon-tetrachloride Mercury Methyl alcohal Water ANSWER DOWNLOAD EXAMIANS APP
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