Process Control and Instrumentation Very low pressure is expressed in microns(μ), which is equal to __________ mm of Hg coloumn (absolute) at 0°C. 0.0001 0.1 0.001 0.01 0.0001 0.1 0.001 0.01 ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following can measure temperatures in the range of - 20 to 300°C ? Resistance thermometer Vapor pressure thermometer None of these Mercury in glass thermometer Resistance thermometer Vapor pressure thermometer None of these Mercury in glass thermometer ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation According to Bode stability criterian, a system is unstable, if the open loop frequency response exhibits an amplitude ratio exceeding unity at frequency for which phase lag is 180° 90° 45° 0° 180° 90° 45° 0° ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Emf generated in a thermocouple depends on the temperature Of cold junction only Of hot junction only Difference between cold junction and atmospheric temperature Difference between hot and cold junctions Of cold junction only Of hot junction only Difference between cold junction and atmospheric temperature Difference between hot and cold junctions ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following is never used as an element of industrial resistance thermometer? Lead Nickel Copper 30% iron + 70% nickel Lead Nickel Copper 30% iron + 70% nickel ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The transfer function of a first order system is 1/(Ts + 1) S/(Ts + 1) None of these 1/Ts 1/(Ts + 1) S/(Ts + 1) None of these 1/Ts ANSWER DOWNLOAD EXAMIANS APP
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