Process Control and Instrumentation Radiation pyrometers as compared to thermocouples Can measure higher temperature Is more affected by corrosive atmosphere Can't measure the temperature of moving objects Has a slower speed of response Can measure higher temperature Is more affected by corrosive atmosphere Can't measure the temperature of moving objects Has a slower speed of response ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The unit step response of the transfer function 1/(s² + 2s + 3) Is overdamped Has a damped oscillatory characteristics Is unstable Has a non-zero slope at the origin Is overdamped Has a damped oscillatory characteristics Is unstable Has a non-zero slope at the origin ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following is a 'contact' pyrometer? Optical pyrometer Resistance pyrometer Radiation pyrometer Infra red pyrometer Optical pyrometer Resistance pyrometer Radiation pyrometer Infra red pyrometer ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following is not a mechanical pressure sensing element? U-tube Bourdon tube Diaphragm Bellows U-tube Bourdon tube Diaphragm Bellows ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation A typical example of a physical system with under damped characteristic is a U-tube manometer CSTR with first order reaction Spring loaded diaphragm valve Thermocouple kept immersed in a liquid filled thermowell U-tube manometer CSTR with first order reaction Spring loaded diaphragm valve Thermocouple kept immersed in a liquid filled thermowell ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation In second order underdamped system, Decay ratio = (overshoot)² Overshoot increases for increasing damping co-efficient Decay ratio = overshoot Large damping co-efficient means smaller damping Decay ratio = (overshoot)² Overshoot increases for increasing damping co-efficient Decay ratio = overshoot Large damping co-efficient means smaller damping ANSWER DOWNLOAD EXAMIANS APP
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