Process Control and Instrumentation Thermocouple in a thermal well behaves as a true Second order system (overdamped) First order system Multiple first order system Second order system (underdamped) Second order system (overdamped) First order system Multiple first order system Second order system (underdamped) ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation A simple pitot tube measures the Static pressure Point velocity Average velocity Maximum velocity Static pressure Point velocity Average velocity Maximum velocity ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation When the damping co-efficient (ξ) is unity, the system is Overdamped Underdamped Critically damped Highly fluctuating Overdamped Underdamped Critically damped Highly fluctuating ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation A proportional controller with a gain of Kc is used to control a first order process. The offset will increase, if Integral control action is introduced Kc is increased Derivative control action is introduced Kc is reduced Integral control action is introduced Kc is increased Derivative control action is introduced Kc is reduced ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Conversion formula for converting amplitude ratio (AR) into decibels is Decibel = 20 log10 (AR) Decibel = 20 loge (AR)0.5 Decibel = 20 loge (AR) Decibel = 20 log10 (AR)0.5 Decibel = 20 log10 (AR) Decibel = 20 loge (AR)0.5 Decibel = 20 loge (AR) Decibel = 20 log10 (AR)0.5 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/12 π/6 π/3 5π/12 π/12 π/6 π/3 5π/12 ANSWER DOWNLOAD EXAMIANS APP