Process Control and Instrumentation Which of the following thermocouples is capable of measuring a temperature of -50°C? Chromel - alumel Platinum - platinum + rhodium Copper - constantan Iron-constantan Chromel - alumel Platinum - platinum + rhodium Copper - constantan Iron-constantan ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation __________ are analysed using a polarograph. Liquids Gases Solids Isotonic solutions Liquids Gases Solids Isotonic solutions ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Working principle of mercury in glass thermometer is based on the __________ of mercury with increase in temperature. Increase of thermal conductivity Increase of pressure Volumetric expansion Differential linear expansion Increase of thermal conductivity Increase of pressure Volumetric expansion Differential linear expansion ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Accurate temperature measurement performance of a radiation pyrometer can not be affected, if the Enhancement or attentuation of redia-tion occurs in the sighting path Object has varying emissivity Object is transparent Object and surrounding are at almost the same temperature Enhancement or attentuation of redia-tion occurs in the sighting path Object has varying emissivity Object is transparent Object and surrounding are at almost the same temperature ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Gain margin is equal to the Gain in P controller Amplitude ratio Reciprocal of amplitude ratio Gain in P-I controller Gain in P controller Amplitude ratio Reciprocal of amplitude ratio Gain in P-I controller ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation A system with transfer function (2S/4S) + 1 is of __________ order. 2nd 3rd 1st Zero 2nd 3rd 1st Zero ANSWER DOWNLOAD EXAMIANS APP
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