Process Control and Instrumentation Time constant is the Same as dead time Same as transportation lag Time taken by the controlled variable to reach 63.2% of its full change Time required by the measured variable to reach 63.2% of its ultimate change Same as dead time Same as transportation lag Time taken by the controlled variable to reach 63.2% of its full change Time required by the measured variable to reach 63.2% of its ultimate change ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Humidity of air can be determined by a Chromatograph Mass spectrometer Sling psychrometer Polarimeter Chromatograph Mass spectrometer Sling psychrometer Polarimeter ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Flow rate of sludge is not measured by a/an Both B & C Kennison nozzle Open weir Orificemeter Both B & C Kennison nozzle Open weir Orificemeter 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 Operating range of a temperature measuring instrument is 800 to 1600°C. It could be a/an __________ pyrometer. Radiation Optical None of these Photoelectric Radiation Optical None of these Photoelectric ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Pick out the first order system from among the following. Damped vibrator Interacting system of two tanks in series Non-interacting system of two tanks in series Mercury in glass thermometer kept in boiling water Damped vibrator Interacting system of two tanks in series Non-interacting system of two tanks in series Mercury in glass thermometer kept in boiling water ANSWER DOWNLOAD EXAMIANS APP