Process Control and Instrumentation Positioning controllers are used for Flow rate changes Low loads High loads Temperature changes Flow rate changes Low loads High loads Temperature changes ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Use of I-control along with P-control facilitates Reduction of stability time Reduction of offset Elimination of offset None of these Reduction of stability time Reduction of offset Elimination of offset None of these 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 = √(7/6), Kc = 46/3 W = 1, Kc = 13 W = √(7/8), Kc = 45/4 W = 1/√14, Kc = 45/7√14 W = √(7/6), Kc = 46/3 W = 1, Kc = 13 ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The amplitude ratio for the sinusoidal response of __________ is < 1. None of these First order system Transportation lag Second order system None of these First order system Transportation lag Second order system ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following is not suitable for measuring the temperature of a red hot object in the range of 800 - 1600°C? Thermocouples Photoelectric pyrometer Optical pyrometer Radiation pyrometer Thermocouples Photoelectric pyrometer Optical pyrometer Radiation pyrometer ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Degree to which an instrument indicates the changes in measured variable without dynamic error is called its Reproducibility Fidielity Speed of response Static characteristics Reproducibility Fidielity Speed of response Static characteristics ANSWER DOWNLOAD EXAMIANS APP