Process Control and Instrumentation Which of the following is a desirable characteristic of an instrument? Poor reproducibility High drift High measuring lag High fidelity Poor reproducibility High drift High measuring lag High fidelity ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Pick out the most suitable instrument for measuring temperature in the range of-40 to 425°C. Bimetallic thermometer Radiation pyrometer None of these Mercury thermometer Bimetallic thermometer Radiation pyrometer None of these Mercury thermometer ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Ordinary mercury in glass thermometer is used for measuring temperature upto 120°C. However, for measuring higher temperature upto __________ °C, thermometer is made by filling nitrogen under pressure above the mercury, which stops the evaporation of mercury and reduces the chance of broken thread of mercury. 550 700 250 350 550 700 250 350 ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Continuous flue gas analyser makes use of paramagnetic properties of some of its constituents, which move towards the strongest part of the magnetic field thus displacing diamagnetic gases. Which of the following gases is diamagnetic? O₂ NO CO₂ NO₂ O₂ NO CO₂ NO₂ ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The deflection of the free end of the bimetallic strips in a bimetallic thermometer with temperature is nearly Linear Hyperbolic Parabolic Non-linear Linear Hyperbolic Parabolic Non-linear ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Flow rate measurement of hostile acids and alkalis can be most suitably done by a/an Orificemeter Venturimeter Magnetic flow meter Hot wire anemometer Orificemeter Venturimeter Magnetic flow meter Hot wire anemometer ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS