Process Control and Instrumentation The frequency at which maximum amplitude ratio is attained is called the __________ frequency. Cross-over Resonant Corner Natural Cross-over Resonant Corner Natural ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which thermocouple can be used to measure a temperature of around 1400°C ? Platinum-platinum+rhodium None of these Copper-constantan Aluminium-chromel Platinum-platinum+rhodium None of these Copper-constantan Aluminium-chromel 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. 350 550 250 700 350 550 250 700 ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Positioning controllers are used for Temperature changes Low loads High loads Flow rate changes Temperature changes Low loads High loads Flow rate changes ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Liquid column manometers are used for measuring the pressure __________ kgf/cm² . < 3 (gage) > 2(gage) < 10 (gage) < atmospheric < 3 (gage) > 2(gage) < 10 (gage) < atmospheric ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Stabilising time for the controllers is the time required for the response to reach __________ percent of its ultimate value. 100 95 63.2 87.5 100 95 63.2 87.5 ANSWER DOWNLOAD EXAMIANS APP
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