Process Control and Instrumentation Working principle of disappearing filament type optical pyrometer is based on the Seebeck effect Kirchoff's law Wien's law Peltier effect Seebeck effect Kirchoff's law Wien's law Peltier effect ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation When the damping co-efficient (ξ) is unity, the system is Critically damped Underdamped Overdamped Highly fluctuating Critically damped Underdamped Overdamped Highly fluctuating ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Liquid argon level in a pressurised storage tank (at 3 kg/cm² ) is measured by a/an Gage glass External float gage Differential pressure gage None of these Gage glass External float gage Differential pressure gage None of these ANSWER DOWNLOAD EXAMIANS APP
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. Bode stability None of these Nyquist Routh stability Bode stability None of these Nyquist Routh stability ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Composition of natural gas is determined by the Both B and C Chromatograph Mass spectrometer Haldane apparatus Both B and C Chromatograph Mass spectrometer Haldane apparatus ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Suppose that the gain, time constant and dead time of a process with the following transfer function:Gc(s) = 10 exp( - 0.1s)/(0.5s + 1) are known with a possible error of ± 20% of their values. The largest permissible gain Kc of a proportional controller needs to be calculated below taking the values of process gain, time constant and dead time as 8, 0.6, 0.12 12, 0.6, 0.12 12, 0.4, 0.08 8, 0.6, 0.08 8, 0.6, 0.12 12, 0.6, 0.12 12, 0.4, 0.08 8, 0.6, 0.08 ANSWER DOWNLOAD EXAMIANS APP
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