Process Control and Instrumentation Zirconia probe is used for the measurement of Speed of a submarine Humidity of air % O₂ in flue gas % CO₂ in flue gas Speed of a submarine Humidity of air % O₂ in flue gas % CO₂ in flue gas ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation A first order system with a time constant of 1 min is subjected to frequency response analysis. At an input frequency of 1 radian/min, the phase shift is -180° -45° 45° -90° -180° -45° 45° -90° ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation If response of a control system is to be free of offset and oscillation, the most suitable controller is Proportional-integral (PI) controller Proportional controller Proportional-derivative(PD)controller Proportional integral-derivative (PID) controller Proportional-integral (PI) controller Proportional controller Proportional-derivative(PD)controller Proportional integral-derivative (PID) controller ANSWER DOWNLOAD EXAMIANS APP
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 = 1/√14, Kc = 45/7√14 W = 1, Kc = 13 W = √(7/6), Kc = 46/3 W = √(7/8), Kc = 45/4 W = 1/√14, Kc = 45/7√14 W = 1, Kc = 13 W = √(7/6), Kc = 46/3 ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Continuous flue gas analyser makes use of paramagnetic properties of some of its constituents, which move towards the strongest part of the magnetic field thus displacing diamagnetic gases. Which of the following gases is diamagnetic? CO₂ NO₂ O₂ NO CO₂ NO₂ O₂ NO ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The temperature range for which copper resistance thermometer can be used is __________ °C 500 to 900 350 to 750 0 to 150 -200 to 150 500 to 900 350 to 750 0 to 150 -200 to 150 ANSWER DOWNLOAD EXAMIANS APP
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