Process Control and Instrumentation The unit of 'time constant' of a system is the same as that of None of these Velocity (time)⁻¹ Time None of these Velocity (time)⁻¹ Time 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 = √(7/8), 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 ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation __________ controller has the maximum stabilising time. PI PID PD P PI PID PD P ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Pick out the first order system from among the following. Mercury in glass thermometer kept in boiling water Damped vibrator Interacting system of two tanks in series Non-interacting system of two tanks in series Mercury in glass thermometer kept in boiling water Damped vibrator Interacting system of two tanks in series Non-interacting system of two tanks in series 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? Radiation pyrometer Thermocouples Optical pyrometer Photoelectric pyrometer Radiation pyrometer Thermocouples Optical pyrometer Photoelectric pyrometer ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Working principle of mercury in glass thermometer is based on volumetric expansion of mercury with increase in temperature. Which of the following undergoes minimum volumetric expansion for a given temperature change? Water Mercury Methyl alcohal Carbon-tetrachloride Water Mercury Methyl alcohal Carbon-tetrachloride ANSWER DOWNLOAD EXAMIANS APP