Process Control and Instrumentation Change of angle of refraction with composition comprises the working principle of a Polarograph Spectrometer Refractrometer Polarimeter Polarograph Spectrometer Refractrometer Polarimeter ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following is not a second order instrument? Mercury in glass thermometer with covering None of these Pressure gauge with one bellow, two tubes and a tank Bare mercury in glass thermometer Mercury in glass thermometer with covering None of these Pressure gauge with one bellow, two tubes and a tank Bare mercury in glass thermometer 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 (PI) controller Proportional-derivative(PD)controller Proportional integral-derivative (PID) controller Proportional controller Proportional-integral (PI) controller Proportional-derivative(PD)controller Proportional integral-derivative (PID) controller Proportional controller ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following is a 'contact' pyrometer? Infra red pyrometer Optical pyrometer Radiation pyrometer Resistance pyrometer Infra red pyrometer Optical pyrometer Radiation pyrometer Resistance pyrometer ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Radiation pyrometers as compared to thermocouples Is more affected by corrosive atmosphere Can measure higher temperature Has a slower speed of response Can't measure the temperature of moving objects Is more affected by corrosive atmosphere Can measure higher temperature Has a slower speed of response Can't measure the temperature of moving objects ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Flow rate of those fluids which are insensitive to changes in their density, viscosity or flow velocity profile can be best measured by a Turbine flowmeter Flow nozzle type flowmeter Pitot tube Magnetic flowmeter Turbine flowmeter Flow nozzle type flowmeter Pitot tube Magnetic flowmeter ANSWER DOWNLOAD EXAMIANS APP
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