Process Control and Instrumentation Which of the following thermometers is not suitable for distant reading upto 60 metres? Vapor pressure thermometer Mercury in glass thermometer Constant volume gas thermometer Resistance thermometer Vapor pressure thermometer Mercury in glass thermometer Constant volume gas thermometer Resistance thermometer ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation A constant volume gas thermometer employing __________ is used to measure sub-zero (i.e., < 0° C) temperature. Helium None of these Nitrogen Hydrogen Helium None of these Nitrogen Hydrogen ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following is not a variable area flow meter? Rotameter Piston type meter Magnetic flow meter Orifice and tapered plug meter Rotameter Piston type meter Magnetic flow meter Orifice and tapered plug meter ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Thermocouple in a thermal well behaves as a true Second order system (overdamped) Multiple first order system First order system Second order system (underdamped) Second order system (overdamped) Multiple first order system First order system Second order system (underdamped) 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. 700 350 550 250 700 350 550 250 ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Dead zone is the Maximum change in the variable that does not change the reading of the instrument None of these Same as transportation lag Same as time constant Maximum change in the variable that does not change the reading of the instrument None of these Same as transportation lag Same as time constant ANSWER DOWNLOAD EXAMIANS APP
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