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 A metal powder or graphite Air Mercury Oil A metal powder or graphite Air Mercury Oil ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation For measuring the temperature of a red hot furnace, which is the most suitable instrument? Platinum resistance thermometer Optical pyrometer Bimetallic thermometer Thermocouple Platinum resistance thermometer Optical pyrometer Bimetallic thermometer Thermocouple ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Dead zone is the None of these Same as time constant Same as transportation lag Maximum change in the variable that does not change the reading of the instrument None of these Same as time constant Same as transportation lag Maximum change in the variable that does not change the reading of the instrument ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following shows maximum dip effect (indicating reverse direction of temperature change)? Radiation pyrometer Bimetallic thermometer Mercury thermometer Thermocouple Radiation pyrometer Bimetallic thermometer Mercury thermometer Thermocouple ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The unit step response of the transfer function 1/(s² + 2s + 3) Has a non-zero slope at the origin Has a damped oscillatory characteristics Is overdamped Is unstable Has a non-zero slope at the origin Has a damped oscillatory characteristics Is overdamped Is unstable ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Thermal well made of __________ gives the fastest speed of response, while measuring temperature by thermocouples. Vycor (a glass) Nichrome Inconel Steel Vycor (a glass) Nichrome Inconel Steel ANSWER DOWNLOAD EXAMIANS APP
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