A. Electronic
B. Hydraulic
C. Pneumatic
D. None of these
Flapper nozzle is used in a/an ______________ controller? Read More »
Process Control and Instrumentation A. Dead zone
B. Drift
C. Static error
D. None of these
Which of the following judges the accuracy of an instrument ? Read More »
Process Control and Instrumentation A. P
B. PD
C. PI
D. PID
______________ controller has the maximum stabilising time? Read More »
Process Control and Instrumentation A. An isotope
B. Natural gas
C. A solid
D. An alloy
Compositional analysis of ______________ is done using mass spectrometer? Read More »
Process Control and Instrumentation A. Peltier effect
B. Thomson effect
C. Seebeck effect
D. None of these
A. Orificemeter
B. Weirs
C. Mouthpieces
D. Notches
Liquid discharge from a tank or reservoir cannot be measured by __________________? Read More »
Process Control and Instrumentation A. Mercury in glass thermometer
B. Optical pyrometer
C. Iron-constantan thermocouple
D. Alcohol filled thermometer
A. High drift
B. High fidelity
C. High measuring lag
D. Poor reproducibility
Which of the following is a desirable characteristic of an instrument ? Read More »
Process Control and Instrumentation A. Wien’s law
B. Kirchoff’s law
C. Stefan-Boltzmann law
D. Seebeck effect
Working principle of radiation pyrometer is based on the ________________? Read More »
Process Control and Instrumentation A. Under damped
B. Critically damped
C. Over damped
D. None of the above
The response of two tanks of same size and resistance in series is __________________? Read More »
Process Control and Instrumentation