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/6 5π/12 π/3 π/12 π/6 5π/12 π/3 π/12 ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation A first order system with unity gain and time constant τ is subjected to a sinusoidal input of frequency w = 1/τ. The amplitude ratio for this system is 1 1/√2 0.25 0.5 1 1/√2 0.25 0.5 ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Pyrometry refers to the measurement of temperature All of these Which is of higher magnitude Directly With the mercurial thermometer upto 350°C All of these Which is of higher magnitude Directly With the mercurial thermometer upto 350°C ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following is not a second order instrument? Mercury in glass thermometer with covering Bare mercury in glass thermometer Pressure gauge with one bellow, two tubes and a tank None of these Mercury in glass thermometer with covering Bare mercury in glass thermometer Pressure gauge with one bellow, two tubes and a tank None of these ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Response of a system to a sinusoidal input is called __________ response. Frequency Unit step Impluse None of these Frequency Unit step Impluse None of these ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The fluid used in hydraulic controller is Steam Oil Air Water Steam Oil Air Water ANSWER DOWNLOAD EXAMIANS APP