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 = √(7/8), Kc = 45/4 W = √(7/6), Kc = 46/3 W = 1, Kc = 13 W = 1/√14, Kc = 45/7√14 W = √(7/8), Kc = 45/4 W = √(7/6), Kc = 46/3 W = 1, Kc = 13 W = 1/√14, Kc = 45/7√14 ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation pH meter has One cell Three cells No cell Two cells One cell Three cells No cell Two cells ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation A negative gain margin expressed in decibels means a/an __________ system. Unstable None of these Critically damped Stable Unstable None of these Critically damped Stable ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Thermistor, which has high temperature co-efficient of resistivity, is used as the sensing element in resistance thermometer. It is a/an Insulator Conductor Liquid semi-conductor Solid semi-conductor Insulator Conductor Liquid semi-conductor Solid semi-conductor ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Operating range of a temperature measuring instrument is 800 to 1600°C. It could be a/an __________ pyrometer. Optical Radiation None of these Photoelectric Optical Radiation None of these Photoelectric ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The frequency response of a first order system, has a phase shift with lower and upper bounds given by - ∞, π/2 -π/2, π/2 -π/2, 0 0, π/2 - ∞, π/2 -π/2, π/2 -π/2, 0 0, π/2 ANSWER DOWNLOAD EXAMIANS APP