Process Control and Instrumentation Which of the following is not classified as a thermo electric pyrometer Radiation pyrometer Thermocouple Resistance thermometer Optical pyrometer (disappearing filament type) Radiation pyrometer Thermocouple Resistance thermometer Optical pyrometer (disappearing filament type) ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Operating range of a temperature measuring instrument is 800 to 1600°C. It could be a/an __________ pyrometer. Optical None of these Radiation Photoelectric Optical None of these Radiation Photoelectric ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following thermocouples is incapable of measuring sub-zero (i.e., < 0°C) temperature? Iron-constantan Copper-constantan Platinum-platinum + rhodium Chromel-alumel Iron-constantan Copper-constantan Platinum-platinum + rhodium Chromel-alumel 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 Mercury thermometer Beckman thermometer Dilatometer Bimetallic thermometer Mercury thermometer Beckman thermometer Dilatometer Bimetallic thermometer ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Temperature of __________ can not be measured by an optical or radiation pyrometer. Rotary limestone calcination kiln Combustion space in boilers Molten slag flowing out of blast furnace Hot blast (air) from stoves Rotary limestone calcination kiln Combustion space in boilers Molten slag flowing out of blast furnace Hot blast (air) from stoves ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Radiation pyrometers as compared to thermocouples Has a slower speed of response Can measure higher temperature Can't measure the temperature of moving objects Is more affected by corrosive atmosphere Has a slower speed of response Can measure higher temperature Can't measure the temperature of moving objects Is more affected by corrosive atmosphere ANSWER DOWNLOAD EXAMIANS APP
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