Process Control and Instrumentation Which of the following shows maximum dip effect (indicating reverse direction of temperature change)? Thermocouple Mercury thermometer Bimetallic thermometer Radiation pyrometer Thermocouple Mercury thermometer Bimetallic thermometer Radiation pyrometer 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 = √(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 ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation In Bode plot, A.R. vs. w is plotted on a/an __________ graph paper. Semi-log Log-lag Triangular Ordinary Semi-log Log-lag Triangular Ordinary ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation What is the ratio of output amplitude to input amplitude for a sinusoidal forcing function in a first order system? None of these < 1 1 >1 None of these < 1 1 >1 ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Ordinary mercury in glass thermometer is used for measuring temperature upto 120°C. However, for measuring higher temperature upto __________ °C, thermometer is made by filling nitrogen under pressure above the mercury, which stops the evaporation of mercury and reduces the chance of broken thread of mercury. 550 700 350 250 550 700 350 250 ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Pick out the one which is a first order instrument. Bare metallic thermometer Bare vapor pressure thermometer Mercury in glass thermometer (without any covering or air gap) All of these Bare metallic thermometer Bare vapor pressure thermometer Mercury in glass thermometer (without any covering or air gap) All of these ANSWER DOWNLOAD EXAMIANS APP