Process Control and Instrumentation Which thermocouple can be used to measure a temperature of around 1400°C ? Aluminium-chromel None of these Platinum-platinum+rhodium Copper-constantan Aluminium-chromel None of these Platinum-platinum+rhodium Copper-constantan ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Thermal wells are used in the temperature measurement to Increase the sensitivity Guard against corrosive and oxidising action on thermocouple materials Reduce measuring lag Increase the fidelity Increase the sensitivity Guard against corrosive and oxidising action on thermocouple materials Reduce measuring lag Increase the fidelity ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Bode diagram is a plot of AR vs. log (f) and Φ vs. log (f) None of these Log (AR) vs. f and log Φ vs.f Log (AR) vs. log (f) and (Φ) vs. log (f) AR vs. log (f) and Φ vs. log (f) None of these Log (AR) vs. f and log Φ vs.f Log (AR) vs. log (f) and (Φ) vs. log (f) ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The transfer function of a first order system is 1/Ts 1/(Ts + 1) None of these S/(Ts + 1) 1/Ts 1/(Ts + 1) None of these S/(Ts + 1) ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Bourdon gauges are used for measuring pressure (kg/cm² ) < 2 (gauge) < atmospheric > 2 (gauge) > 10 (absolute) < 2 (gauge) < atmospheric > 2 (gauge) > 10 (absolute) 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. 700 550 350 250 700 550 350 250 ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS