Process Control and Instrumentation Which of the following relates the emf. generated in a single homogeneous wire to the temperature difference? None of these Peltier effect Thomson effect Seebeck effect None of these Peltier effect Thomson effect Seebeck effect 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 In second order underdamped system, Decay ratio = (overshoot)² Decay ratio = overshoot Overshoot increases for increasing damping co-efficient Large damping co-efficient means smaller damping Decay ratio = (overshoot)² Decay ratio = overshoot Overshoot increases for increasing damping co-efficient Large damping co-efficient means smaller damping ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The time constant of a unity gain, first order plus time delay process is 5 min. If the phase lag at a frequency of 0.2 rad/min is 60°, then the dead time (in minutes) is π/3 5π/12 π/12 π/6 π/3 5π/12 π/12 π/6 ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Radiation thermometer can not measure the temperature Of moving objects at high temperature Of an object without coming in contact with it Of liquid oxygen Inside a pressure vessel Of moving objects at high temperature Of an object without coming in contact with it Of liquid oxygen Inside a pressure vessel ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The offset introduced by proportional controller with gain Kc in response of first order system can be reduced by None of these Introducing integral control Reducing value of Kc Introducing derivative control None of these Introducing integral control Reducing value of Kc Introducing derivative control ANSWER DOWNLOAD EXAMIANS APP