Process Control and Instrumentation A system with transfer function (2S/4S) + 1 is of __________ order. Zero 3rd 1st 2nd Zero 3rd 1st 2nd ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The characteristic equation for the control system with a closed loop transfer function G₁/1 + G₂ is given by 1 + G₂ = 0. The characteristic equation for the control system Determines its stability All of these Depends only upon the open loop transfer function Is the same for set point or load changes Determines its stability All of these Depends only upon the open loop transfer function Is the same for set point or load changes ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Platinum resistance thermometer is the international standard for temperature measurement between Neither A nor B 13.81°K to 903.9°K Both A and B Triple point of hydrogen and freezing point of antimony Neither A nor B 13.81°K to 903.9°K Both A and B Triple point of hydrogen and freezing point of antimony ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Flow rate through an orifice is __________ the pressure differential. Proportional to the square root of Inversely proportional to the square root of Proportional to Inversely proportional to the square of Proportional to the square root of Inversely proportional to the square root of Proportional to Inversely proportional to the square of ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation A sinusoidal variation in the input passing through a linear first order system Becomes less oscillatory (frequency decreases) Gets attenuated (magnitude decreases) Becomes more oscillatory (frequency increases) Gets amplified (magnitude increases) Becomes less oscillatory (frequency decreases) Gets attenuated (magnitude decreases) Becomes more oscillatory (frequency increases) Gets amplified (magnitude increases) ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation A negative gain margin expressed in decibels means a/an __________ system. Stable Critically damped Unstable None of these Stable Critically damped Unstable None of these ANSWER DOWNLOAD EXAMIANS APP