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. Platinum-platinum/rhodium None of these Chromel-alumel Iron-constantan Platinum-platinum/rhodium None of these Chromel-alumel Iron-constantan ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation On-off controllers are normally used for Low loads Flow rate changes Temperature changes None of these Low loads Flow rate changes Temperature changes None of these ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation A bolometer is Both A & B Here Neither A nor B Here An element which senses optical input and delivers thermal output Used for the measurement of thermal radiation Both A & B Here Neither A nor B Here An element which senses optical input and delivers thermal output Used for the measurement of thermal radiation ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Polarisation of light forms the working principle of a Chromatograph Polarograph Polarimeter Spectrometer Chromatograph Polarograph Polarimeter Spectrometer 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 pressure Increase of thermal conductivity Differential linear expansion Volumetric expansion Increase of pressure Increase of thermal conductivity Differential linear expansion Volumetric expansion ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation __________ thermometer can not measure sub-zero (< 0° C) temperature, Resistance Bimetallic Vapor pressure Mercury in glass Resistance Bimetallic Vapor pressure Mercury in glass ANSWER DOWNLOAD EXAMIANS APP
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