Process Control and Instrumentation A control system is unstable, if the open loop frequency response exhibits an amplitude ratio exceeding unity at the crossover frequency. This is __________ criterion. Routh stability Bode stability Nyquist None of these Routh stability Bode stability Nyquist None of these ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Liquid flow rate in a small channel is best measured by a/an Venturimeter Vane meter Weir Pitot tube Venturimeter Vane meter Weir Pitot tube ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation __________ is an example of distributed parameter system None of these Tubular reactor On-off controller CSTR None of these Tubular reactor On-off controller CSTR ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The closed loop pole of a stable second order system could be One real positive and the other real negative Both real and negative Both real and positive Complex conjugate with positive real parts One real positive and the other real negative Both real and negative Both real and positive Complex conjugate with positive real parts ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation An emf of the order of mV is generated when two solutions of different hydrogen ion concentration are separated by a thin glass wall. This is the working principle of a Polarimeter Chromatograph Polarograph PH meter Polarimeter Chromatograph Polarograph PH meter ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which is the most suitable instrument for measuring pressure below 3 microns? Bourdon guage Alphatron Ionisation gauge Mcleoid gauge Bourdon guage Alphatron Ionisation gauge Mcleoid gauge ANSWER DOWNLOAD EXAMIANS APP