Process Control and Instrumentation Which of the following thermocouples has the least temperature measurement range? Copper-constantan Chromel-alumel Iron-constantan Platinum-platinum/rhodium Copper-constantan Chromel-alumel Iron-constantan Platinum-platinum/rhodium ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following is not classified as a thermo electric pyrometer Thermocouple Resistance thermometer Optical pyrometer (disappearing filament type) Radiation pyrometer Thermocouple Resistance thermometer Optical pyrometer (disappearing filament type) Radiation pyrometer ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The temperature range for which copper resistance thermometer can be used is __________ °C -200 to 150 0 to 150 350 to 750 500 to 900 -200 to 150 0 to 150 350 to 750 500 to 900 ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Temperature of molten pig iron (1450°C) and molten slag (1500°C) flowing out of a blast furnace is measured by a/an Chromel-alumel thermocouple Radiation pyrometer Optical pyrometer Either B or C Chromel-alumel thermocouple Radiation pyrometer Optical pyrometer Either B or C ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Bimetal strips are not used in Thermostats Bimetallic thermometers Relays for opening & closing of electrical circuits Thermocouples Thermostats Bimetallic thermometers Relays for opening & closing of electrical circuits Thermocouples ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Small furnace draught is accurately measured by an inclined tube manometer, in which the manometric liquid used most commonly is Ethylene glycol Water Carbon tetrachloride Paraffin Ethylene glycol Water Carbon tetrachloride Paraffin ANSWER DOWNLOAD EXAMIANS APP
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