Process Control and Instrumentation The time constant of a unity gain, first order plus time delay process is 5 min. If the phase lag at a frequency of 0.2 rad/min is 60°, then the dead time (in minutes) is π/3 5π/12 π/12 π/6 π/3 5π/12 π/12 π/6 ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Radiation thermometer can not measure the temperature Inside a pressure vessel Of liquid oxygen Of moving objects at high temperature Of an object without coming in contact with it Inside a pressure vessel Of liquid oxygen Of moving objects at high temperature Of an object without coming in contact with it ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation To increase the speed of response of a pressure spring liquid or gas expansion thermometer, the clearance space between the thermometer bulb and the thermal well should not be filled with A metal powder or graphite Air Oil Mercury A metal powder or graphite Air Oil Mercury ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The second order system with the transfer function 4/(S² + 2S + 4) has a damping ratio of 2.0 1.0 0.5 4.0 2.0 1.0 0.5 4.0 ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation A control system has the following transfer function F(s) = (s - 1)(s + 1)/s(s - 2)(s + 4)The initial value of the corresponding time function is 44020 43838 -1 1 44020 43838 -1 1 ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The __________ of a vapor pressure thermometer is a primary element. None of these Bourdon tube Bulb Pointer None of these Bourdon tube Bulb Pointer ANSWER DOWNLOAD EXAMIANS APP
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