Process Control and Instrumentation The temperature of tempering oil baths maintained at 400°C during heat treatment of steel is measured by a/an __________ thermocouple. None of these Chromel-alumel Platinum-platinum/rhodium Iron-constantan None of these Chromel-alumel Platinum-platinum/rhodium Iron-constantan ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The root locus method, a pole of a transfer function G(s) is the value of s for which G(s) approaches -1 ∞ 1 -1 ∞ 1 ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Range of hydrogen gas constant volume themometer is __________ °C. 0 to 100 -10 to 20 400 - 1000 100 - 500 0 to 100 -10 to 20 400 - 1000 100 - 500 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? Photoelectric pyrometer Optical pyrometer Radiation pyrometer Thermocouples Photoelectric pyrometer Optical pyrometer Radiation pyrometer Thermocouples ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation In a shell and tube heat exchanger, the flow rate of heating/cooling fluid is the __________ variable. Manipulated None of these Load Controlled Manipulated None of these Load Controlled ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The temperature range for which copper resistance thermometer can be used is __________ °C 0 to 150 500 to 900 -200 to 150 350 to 750 0 to 150 500 to 900 -200 to 150 350 to 750 ANSWER DOWNLOAD EXAMIANS APP