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 0° 45° 180° 90° 0° 45° 180° 90° ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which thermocouple can be used to measure a temperature of around 1400°C ? None of these Platinum-platinum+rhodium Copper-constantan Aluminium-chromel None of these Platinum-platinum+rhodium Copper-constantan Aluminium-chromel 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 Mercury in glass thermometer None of these Resistance thermometer Vapor pressure thermometer Mercury in glass thermometer None of these ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The unit of 'time constant' of a system is the same as that of Velocity (time)⁻¹ None of these Time Velocity (time)⁻¹ None of these Time ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Nitrogen gas constant volume thermometer is suitable for measuring a temperature of __________ °C. < 0 > 100 0-100 > 50 < 0 > 100 0-100 > 50 ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Phase lag of the sinusoidal response of a first order system is 30° 120° 90° 180° 30° 120° 90° 180° ANSWER DOWNLOAD EXAMIANS APP
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