Process Control and Instrumentation Hot wire anemometer is used for the measurement of Thermal conductivity of gases Flow rates of granular solids Flow rates of fluids Very high temperature Thermal conductivity of gases Flow rates of granular solids Flow rates of fluids Very high temperature ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The deflection in diaphragm (which is used as pressure sensor in pneumatic and electronic instruments) is dependent on the metal thickness, its diameter (d) and shape & number of corrugations. Its deflection is proportional to D³ D⁴ D D² D³ D⁴ D D² ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation A bimetallic thermometer as compared to industrial mercury in glass thermometer has almost the same Accuracy (± 1% of span) All of these Temperature measuring range (- 40°C to 450°C) Speed of response Accuracy (± 1% of span) All of these Temperature measuring range (- 40°C to 450°C) Speed of response ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The unit step response of the transfer function 1/(s² + 2s + 3) Has a damped oscillatory characteristics Has a non-zero slope at the origin Is unstable Is overdamped Has a damped oscillatory characteristics Has a non-zero slope at the origin Is unstable Is overdamped 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 0.5 1/√2 1 0.25 0.5 1/√2 1 0.25 ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Liquid column manometers are used for measuring the pressure __________ kgf/cm² . > 2(gage) < 3 (gage) < 10 (gage) < atmospheric > 2(gage) < 3 (gage) < 10 (gage) < atmospheric ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS