Process Control and Instrumentation Radiation pyrometers as compared to thermocouples Is more affected by corrosive atmosphere Has a slower speed of response Can't measure the temperature of moving objects Can measure higher temperature Is more affected by corrosive atmosphere Has a slower speed of response Can't measure the temperature of moving objects Can measure higher temperature ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Radiation thermometer can not measure the temperature Of liquid oxygen Inside a pressure vessel Of moving objects at high temperature Of an object without coming in contact with it Of liquid oxygen Inside a pressure vessel Of moving objects at high temperature Of an object without coming in contact with it ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation On-off controllers are normally used for Flow rate changes Temperature changes None of these Low loads Flow rate changes Temperature changes None of these Low loads 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 = 1, Kc = 13 W = √(7/6), Kc = 46/3 W = 1/√14, Kc = 45/7√14 W = √(7/8), Kc = 45/4 W = 1, Kc = 13 W = √(7/6), Kc = 46/3 W = 1/√14, Kc = 45/7√14 W = √(7/8), Kc = 45/4 ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The transfer function of a first order system is None of these 1/(Ts + 1) 1/Ts S/(Ts + 1) None of these 1/(Ts + 1) 1/Ts S/(Ts + 1) ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following thermocouple materials does not contain nickel? None of these Alumel Constantan Chromel None of these Alumel Constantan Chromel ANSWER DOWNLOAD EXAMIANS APP