Process Control and Instrumentation Which of the following judges the accuracy of an instrument? Static error Dead zone None of these Drift Static error Dead zone None of these Drift ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation A bolometer is Both A & B Here An element which senses optical input and delivers thermal output Neither A nor B Here Used for the measurement of thermal radiation Both A & B Here An element which senses optical input and delivers thermal output Neither A nor B Here Used for the measurement of thermal radiation ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation __________ controller has the maximum stabilising time. PD P PID PI PD P PID PI 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 8, 0.6, 0.08 12, 0.4, 0.08 12, 0.6, 0.12 8, 0.6, 0.12 8, 0.6, 0.08 12, 0.4, 0.08 12, 0.6, 0.12 ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation A non-linear chemical system is exemplified by a/an Isothermal CSTR None of these Mixer Non-isothermal CSTR Isothermal CSTR None of these Mixer Non-isothermal CSTR ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Routh test Criterion is not applicable to systems with polynomial characteristic equation Cannot be used to test the stability of a control system containing transportation lag Criterion provides information about the actual location of roots Can not determine as to how many roots of the characteristics equation have positive real roots Criterion is not applicable to systems with polynomial characteristic equation Cannot be used to test the stability of a control system containing transportation lag Criterion provides information about the actual location of roots Can not determine as to how many roots of the characteristics equation have positive real roots ANSWER DOWNLOAD EXAMIANS APP
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