Process Control and Instrumentation Liquid column manometers are used for measuring the pressure __________ kgf/cm² . < 3 (gage) < atmospheric < 10 (gage) > 2(gage) < 3 (gage) < atmospheric < 10 (gage) > 2(gage) ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Pick out the one which is a first order instrument. Mercury in glass thermometer (without any covering or air gap) Bare metallic thermometer Bare vapor pressure thermometer All of these Mercury in glass thermometer (without any covering or air gap) Bare metallic thermometer Bare vapor pressure thermometer All of these ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Pick out the most suitable instrument for measuring temperature in the range of-40 to 425°C. None of these Bimetallic thermometer Mercury thermometer Radiation pyrometer None of these Bimetallic thermometer Mercury thermometer Radiation pyrometer ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The time constant of a unity gain, first order plus time delay process is 5 min. If the phase lag at a frequency of 0.2 rad/min is 60°, then the dead time (in minutes) is 5π/12 π/6 π/3 π/12 5π/12 π/6 π/3 π/12 ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Working principle of mercury in glass thermometer is Pressure rise with temperature None of these Volumetric expansion Linear expansion Pressure rise with temperature None of these Volumetric expansion Linear expansion ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following is not the triple point of water? 32°F 492°R 273°K 32°R 32°F 492°R 273°K 32°R ANSWER DOWNLOAD EXAMIANS APP