Process Control and Instrumentation Thermal wells are used in the temperature measurement to Increase the sensitivity Reduce measuring lag Guard against corrosive and oxidising action on thermocouple materials Increase the fidelity Increase the sensitivity Reduce measuring lag Guard against corrosive and oxidising action on thermocouple materials Increase the fidelity ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Pick out the one which is a first order instrument. Bare metallic thermometer All of these Bare vapor pressure thermometer Mercury in glass thermometer (without any covering or air gap) Bare metallic thermometer All of these Bare vapor pressure thermometer Mercury in glass thermometer (without any covering or air gap) ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following relates the emf. generated in a single homogeneous wire to the temperature difference? None of these Peltier effect Seebeck effect Thomson effect None of these Peltier effect Seebeck effect Thomson effect ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation According to Bode stability criterian, a system is unstable, if the open loop frequency response exhibits an amplitude ratio exceeding unity at frequency for which phase lag is 45° 0° 180° 90° 45° 0° 180° 90° ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the systems having following transfer functions is stable? 1/(s²+ 2) Exp(-20s)/(s² + 2s-l) 1/(s² + 2s + 2) 1/(s²-2s + 3) 1/(s²+ 2) Exp(-20s)/(s² + 2s-l) 1/(s² + 2s + 2) 1/(s²-2s + 3) ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Dilute wine was used as a thermometric liquid initially to develop temperature scale. First emperical temperature scale developed was the __________ scale. Reaumer Kelvin Fahrenheit Centigrade Reaumer Kelvin Fahrenheit Centigrade ANSWER DOWNLOAD EXAMIANS APP
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