Process Control and Instrumentation The unit of 'time constant' of a system is the same as that of Time None of these (time)⁻¹ Velocity Time None of these (time)⁻¹ Velocity ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following thermocouples can measure the maximum temperature? Tungsten-molybdenum Platinum-rhodium Chromel-alumel Iron-constantan Tungsten-molybdenum Platinum-rhodium Chromel-alumel Iron-constantan ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The second order system with the transfer function 4/(S² + 2S + 4) has a damping ratio of 4.0 2.0 0.5 1.0 4.0 2.0 0.5 1.0 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 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 8, 0.6, 0.12 8, 0.6, 0.08 12, 0.4, 0.08 ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation All the thermocouples used for temperature measurement use dissimilar metal Beads Wires Strips Bars Beads Wires Strips Bars ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation A typical example of a physical system with under damped characteristic is a Thermocouple kept immersed in a liquid filled thermowell CSTR with first order reaction Spring loaded diaphragm valve U-tube manometer Thermocouple kept immersed in a liquid filled thermowell CSTR with first order reaction Spring loaded diaphragm valve U-tube manometer ANSWER DOWNLOAD EXAMIANS APP
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