Process Control and Instrumentation Temperature measuring instruments are standardised mostly with __________ points of pure substances. Neither A nor B Here Both A & B Here Melting Boiling Neither A nor B Here Both A & B Here Melting Boiling ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Dome temperature of blast furnace stove is most accurately measured by a Radiation pyrometer Iron-constantan thermocouple Platinum-platinum/rhodium ther-mocuple Platinum resistance thermometer Radiation pyrometer Iron-constantan thermocouple Platinum-platinum/rhodium ther-mocuple Platinum resistance thermometer ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Time constant is the Time taken by the controlled variable to reach 63.2% of its full change Same as transportation lag Same as dead time Time required by the measured variable to reach 63.2% of its ultimate change Time taken by the controlled variable to reach 63.2% of its full change Same as transportation lag Same as dead time Time required by the measured variable to reach 63.2% of its ultimate change ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Alphatron measures pressure __________ microns. < 1 < 0.1 > 3 < 3 < 1 < 0.1 > 3 < 3 ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Radiation pyrometers as compared to thermocouples Can't measure the temperature of moving objects Has a slower speed of response Is more affected by corrosive atmosphere Can measure higher temperature Can't measure the temperature of moving objects Has a slower speed of response Is more affected by corrosive atmosphere Can measure higher temperature ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the systems having following transfer functions is stable? Exp(-20s)/(s² + 2s-l) 1/(s²-2s + 3) 1/(s² + 2s + 2) 1/(s²+ 2) Exp(-20s)/(s² + 2s-l) 1/(s²-2s + 3) 1/(s² + 2s + 2) 1/(s²+ 2) ANSWER DOWNLOAD EXAMIANS APP
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