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. Centigrade Reaumer Fahrenheit Kelvin Centigrade Reaumer Fahrenheit Kelvin ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Thermal conductivity based continuous flue gas analyser makes use of varying thermal conductivity of the constituents of flue gases. Which of the following constituents of flue gases has the maximum thermal conductivity? CO₂ O₂ CO N₂ CO₂ O₂ CO N₂ ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Continuous measurement of specific gravity of a liquid is done by Displacement meter Hydrometer Both A and C Contact-type electric indicators Displacement meter Hydrometer Both A and C Contact-type electric indicators ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The time constant of a unity gain, first order plus time delay process is 5 min. If the phase lag at a frequency of 0.2 rad/min is 60°, then the dead time (in minutes) is 5π/12 π/12 π/6 π/3 5π/12 π/12 π/6 π/3 ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which is the most suitable instrument for measuring pressure below 3 microns? Ionisation gauge Alphatron Mcleoid gauge Bourdon guage Ionisation gauge Alphatron Mcleoid gauge Bourdon guage ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation When a bare thermocouple is covered by a protective sheath, the response becomes Slower and non-oscillatory Faster and non-oscillatory Faster and oscillatory Slower and oscillatory Slower and non-oscillatory Faster and non-oscillatory Faster and oscillatory Slower and oscillatory ANSWER DOWNLOAD EXAMIANS APP