Process Control and Instrumentation Which of the following is an undesirable dynamic characteristic of an instrument? Time lag Dead zone Reproducibility Static error Time lag Dead zone Reproducibility Static error ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Very low pressure is expressed in microns(μ), which is equal to __________ mm of Hg coloumn (absolute) at 0°C. 0.1 0.001 0.01 0.0001 0.1 0.001 0.01 0.0001 ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Working principle of mercury in glass thermometer is based on volumetric expansion of mercury with increase in temperature. Which of the following undergoes minimum volumetric expansion for a given temperature change? Water Methyl alcohal Mercury Carbon-tetrachloride Water Methyl alcohal Mercury Carbon-tetrachloride ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation A mercury thermometer can not be used to measure the temperature below the freezing point of mercury, which is __________ °C. -60.9 -11.9 -80.9 -38.9 -60.9 -11.9 -80.9 -38.9 ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation A system with a double pole at the origin is unstable since the corresponding term in the time domain Grows exponentially with time Grows linearly with time Is a constant Decays linearly with time Grows exponentially with time Grows linearly with time Is a constant Decays linearly with time ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Dome temperature of blast furnace stove is most accurately measured by a Iron-constantan thermocouple Platinum-platinum/rhodium ther-mocuple Platinum resistance thermometer Radiation pyrometer Iron-constantan thermocouple Platinum-platinum/rhodium ther-mocuple Platinum resistance thermometer Radiation pyrometer ANSWER DOWNLOAD EXAMIANS APP