Process Control and Instrumentation Find the ultimate gain and frequency for a proportional controller in the case of a process having the transfer function Gp(s) = 1/(4s + 1)(2s + 1)(s + 1). W = 1, Kc = 13 W = 1/√14, Kc = 45/7√14 W = √(7/6), Kc = 46/3 W = √(7/8), Kc = 45/4 W = 1, Kc = 13 W = 1/√14, Kc = 45/7√14 W = √(7/6), Kc = 46/3 W = √(7/8), Kc = 45/4 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 Depends only upon the open loop transfer function All of these Is the same for set point or load changes Determines its stability Depends only upon the open loop transfer function All of these Is the same for set point or load changes ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Phase lag of the sinusoidal response of a first order system is 90° 30° 180° 120° 90° 30° 180° 120° ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following does not figure in the list of seven substances selected for international temperature scale? Zinc (B.P) and mercury (F.P) Oxygen and sulphur (B.P) Ice (F.P) and steam (B.P) Antimony and silver (F.P) Zinc (B.P) and mercury (F.P) Oxygen and sulphur (B.P) Ice (F.P) and steam (B.P) Antimony and silver (F.P) ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The thermal emf-temperature relationship of most thermocouples is Square root Linear Exponential Parabolic Square root Linear Exponential Parabolic ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation A pyranometer is an instrument used for measuring the None of these Beam radiation Global radiation Bright sunshine period None of these Beam radiation Global radiation Bright sunshine period ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS