Process Control and Instrumentation Emf developed by a thermocouple, while measuring a temperature of 600°C is about 5.5 mV. The type of thermocouple used is Iron-constantan Chromel-alumel Either A, B or C Platinum-platinum+rhodium Iron-constantan Chromel-alumel Either A, B or C Platinum-platinum+rhodium ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following thermocouples has the widest temperature measurement range? Iron-constantan Chromel-alumel Copper-constantan Platinum-platinum/rhodium Iron-constantan Chromel-alumel Copper-constantan Platinum-platinum/rhodium ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Dome temperature of blast furnace stove is most accurately measured by a Platinum resistance thermometer Platinum-platinum/rhodium ther-mocuple Iron-constantan thermocouple Radiation pyrometer Platinum resistance thermometer Platinum-platinum/rhodium ther-mocuple Iron-constantan thermocouple Radiation pyrometer ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Pyrometry refers to the measurement of temperature All of these Directly With the mercurial thermometer upto 350°C Which is of higher magnitude All of these Directly With the mercurial thermometer upto 350°C Which is of higher magnitude ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Phase margin is equal to Phase lag + 180° Phase lag + 90° 180° - phase lag Phase lag - 180° Phase lag + 180° Phase lag + 90° 180° - phase lag Phase lag - 180° ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The function of a transducer is to Codify/decodify the input signal Amplify the input signal Convert the primary signal into a more useful quantity, usually an electric impulse Modify the input signal Codify/decodify the input signal Amplify the input signal Convert the primary signal into a more useful quantity, usually an electric impulse Modify the input signal ANSWER DOWNLOAD EXAMIANS APP
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