Process Control and Instrumentation Process degree of freedom indicates __________ number of controllers to be used. Nothing about the Both maximum and the minimum The maximum The minimum Nothing about the Both maximum and the minimum The maximum The minimum ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following is never used as an element of industrial resistance thermometer? 30% iron + 70% nickel Copper Lead Nickel 30% iron + 70% nickel Copper Lead Nickel ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Thermistors are used in __________ devices. Temperature measuring Voltage measuring Both B & C Temperature compensating Temperature measuring Voltage measuring Both B & C Temperature compensating ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Hot wire anemometer is used for the measurement of Flow rates of fluids Thermal conductivity of gases Very high temperature Flow rates of granular solids Flow rates of fluids Thermal conductivity of gases Very high temperature Flow rates of granular solids 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, 0.08 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 8, 0.6, 0.12 ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which thermocouple can be used to measure a temperature of around 1400°C ? Copper-constantan None of these Platinum-platinum+rhodium Aluminium-chromel Copper-constantan None of these Platinum-platinum+rhodium Aluminium-chromel ANSWER DOWNLOAD EXAMIANS APP
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