Process Control and Instrumentation Measurement of sub-zero Celcius temperature in industry is done most commonly by Thermocouples Bi-metallic thermometers Resistance thermometers Gas thermometers Thermocouples Bi-metallic thermometers Resistance thermometers Gas thermometers ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The time constant of a unity gain, first order plus time delay process is 5 min. If the phase lag at a frequency of 0.2 rad/min is 60°, then the dead time (in minutes) is π/3 π/12 5π/12 π/6 π/3 π/12 5π/12 π/6 ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The transfer function of a first order system is 1/Ts 1/(Ts + 1) S/(Ts + 1) None of these 1/Ts 1/(Ts + 1) S/(Ts + 1) None of these 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. Radiation pyrometer Bimetallic thermometer None of these Mercury thermometer Radiation pyrometer Bimetallic thermometer None of these Mercury thermometer ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Liquid flow rate in a small channel is best measured by a/an Weir Vane meter Venturimeter Pitot tube Weir Vane meter Venturimeter Pitot tube ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation A first order system with a time constant of 1 min is subjected to frequency response analysis. At an input frequency of 1 radian/min, the phase shift is 45° -90° -45° -180° 45° -90° -45° -180° ANSWER DOWNLOAD EXAMIANS APP
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