Process Control and Instrumentation To increase the speed of response of a pressure spring liquid or gas expansion thermometer, the clearance space between the thermometer bulb and the thermal well should not be filled with Air A metal powder or graphite Oil Mercury Air A metal powder or graphite Oil Mercury ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The maximum service temperature for fibre glass used as thermocouple wire insulation material is __________ °C. 250 750 500 1000 250 750 500 1000 ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following is not suitable for measuring the temperature of a red hot object in the range of 800 - 1600°C? Thermocouples Radiation pyrometer Photoelectric pyrometer Optical pyrometer Thermocouples Radiation pyrometer Photoelectric pyrometer Optical pyrometer ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation A system with transfer function (2S/4S) + 1 is of __________ order. 2nd Zero 3rd 1st 2nd Zero 3rd 1st 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 π/6 5π/12 π/3 π/12 π/6 5π/12 π/3 π/12 ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Continuous measurement of moisture content of paper in paper industry is done by measuring the Thermal conductivity through the paper None of these Electrical resistance through the paper Magnetic susceptibility Thermal conductivity through the paper None of these Electrical resistance through the paper Magnetic susceptibility ANSWER DOWNLOAD EXAMIANS APP
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