Process Control and Instrumentation Which of the following controllers has the least maximum deviation? P-D controller P-I-D controller P-controller P-I controller P-D controller P-I-D controller P-controller P-I controller ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The temperature range for which copper resistance thermometer can be used is __________ °C 350 to 750 -200 to 150 0 to 150 500 to 900 350 to 750 -200 to 150 0 to 150 500 to 900 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 8, 0.6, 0.08 12, 0.4, 0.08 8, 0.6, 0.12 12, 0.6, 0.12 8, 0.6, 0.08 12, 0.4, 0.08 ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation A control system has the following transfer function F(s) = (s - 1)(s + 1)/s(s - 2)(s + 4)The initial value of the corresponding time function is 1 -1 43838 44020 1 -1 43838 44020 ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation An aneroid barometer measures the __________ pressure. Absolute Gage Vacuum Atmospheric Absolute Gage Vacuum Atmospheric ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Small furnace draught is accurately measured by an inclined tube manometer, in which the manometric liquid used most commonly is Carbon tetrachloride Paraffin Ethylene glycol Water Carbon tetrachloride Paraffin Ethylene glycol Water ANSWER DOWNLOAD EXAMIANS APP
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