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 0° 180° 90° 45° 0° 180° 90° 45° ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following does not figure in the list of seven substances selected for international temperature scale? Zinc (B.P) and mercury (F.P) Antimony and silver (F.P) Ice (F.P) and steam (B.P) Oxygen and sulphur (B.P) Zinc (B.P) and mercury (F.P) Antimony and silver (F.P) Ice (F.P) and steam (B.P) Oxygen and sulphur (B.P) ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Mercury thermometer is commonly used for low temperature measruement. The freezing point and boiling point of mercury are respectively __________ °C. - 79 and 395 - 10 and 425 - 51 and 439 - 39 and 350 - 79 and 395 - 10 and 425 - 51 and 439 - 39 and 350 ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following fluid flow measuring devices can measure the largest flow rate? Weir V-notch Rotameter Orificemeter Weir V-notch Rotameter Orificemeter ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Stability of a control system containing a transportation lag can be best analysed by Routh test Root locus methods Frequency response methods None of these Routh test Root locus methods Frequency response methods None of these ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation For two non-interacting first order systems connected in series, the overall transfer function is the __________ of the individual transfer functions. Sum Difference Ratio Product Sum Difference Ratio Product ANSWER DOWNLOAD EXAMIANS APP