Process Control and Instrumentation Flow rate measurement of hostile acids and alkalis can be most suitably done by a/an Hot wire anemometer Magnetic flow meter Venturimeter Orificemeter Hot wire anemometer Magnetic flow meter Venturimeter Orificemeter ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The transfer function of a process is 1/(16s² + 8s + 4). If a step change is introduced into the system, then the response will be Over damped Under damped None of these Critically damped Over damped Under damped None of these Critically damped ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation With increase in temperature, the electrical conductivity of the platinum used in the resistance thermometer Increases Increases exponentially Decreases Remains constant Increases Increases exponentially Decreases Remains constant ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation E.m.f. generated by thermocouples is of the order of Millivolts Microvolts Kilo volts Volts Millivolts Microvolts Kilo volts Volts 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, 0.08 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 8, 0.6, 0.12 ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following fluid flow measuring devices can measure the largest flow rate? Rotameter Orificemeter Weir V-notch Rotameter Orificemeter Weir V-notch ANSWER DOWNLOAD EXAMIANS APP