Process Control and Instrumentation Which of the systems having following transfer functions is stable? Exp(-20s)/(s² + 2s-l) 1/(s²-2s + 3) 1/(s² + 2s + 2) 1/(s²+ 2) Exp(-20s)/(s² + 2s-l) 1/(s²-2s + 3) 1/(s² + 2s + 2) 1/(s²+ 2) ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation High temperature of around 2000°C of incandescent gas mantles is measured by a/an Radiation pyrometer Optical pyrometer None of these Here Specially designed thermocouple Radiation pyrometer Optical pyrometer None of these Here Specially designed thermocouple ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Sub-zero temperature (< 0°C) can be measured by a constant volume gas thermometer employing None of these Helium Hydrogen Nitrogen None of these Helium Hydrogen Nitrogen ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation A pyranometer is an instrument used for measuring the Beam radiation Global radiation None of these Bright sunshine period Beam radiation Global radiation None of these Bright sunshine period ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation If response of a control system is to be free of offset and oscillation, the most suitable controller is Proportional integral-derivative (PID) controller Proportional-integral (PI) controller Proportional controller Proportional-derivative(PD)controller Proportional integral-derivative (PID) controller Proportional-integral (PI) controller Proportional controller Proportional-derivative(PD)controller ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Thermal conductivity measurement com-prises the working principle of a CO₂ analyser Spectrometer Chromatograph Polarimeter CO₂ analyser Spectrometer Chromatograph Polarimeter ANSWER DOWNLOAD EXAMIANS APP