Process Control and Instrumentation Which is the most suitable instrument for measuring pressure below 3 microns? Mcleoid gauge Ionisation gauge Bourdon guage Alphatron Mcleoid gauge Ionisation gauge Bourdon guage Alphatron 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
Process Control and Instrumentation Which of the following is not a variable area flow meter? Rotameter Orifice and tapered plug meter Piston type meter Magnetic flow meter Rotameter Orifice and tapered plug meter Piston type meter Magnetic flow meter 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/3 π/12 π/6 5π/12 π/3 π/12 π/6 ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Routh test Cannot be used to test the stability of a control system containing transportation lag Criterion is not applicable to systems with polynomial characteristic equation Criterion provides information about the actual location of roots Can not determine as to how many roots of the characteristics equation have positive real roots Cannot be used to test the stability of a control system containing transportation lag Criterion is not applicable to systems with polynomial characteristic equation Criterion provides information about the actual location of roots Can not determine as to how many roots of the characteristics equation have positive real roots ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The level of a liquid under pressure can be determined using Bubbler system Air-trap system Diaphragm box system Differential pressure manometer Bubbler system Air-trap system Diaphragm box system Differential pressure manometer ANSWER DOWNLOAD EXAMIANS APP