Process Control and Instrumentation Thermocouple in a thermal well behaves as a true First order system Second order system (overdamped) Second order system (underdamped) Multiple first order system First order system Second order system (overdamped) Second order system (underdamped) Multiple first order system ANSWER DOWNLOAD EXAMIANS APP
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 Platinum-platinum/rhodium Chromel-alumel Iron-constantan None of these Platinum-platinum/rhodium Chromel-alumel Iron-constantan ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the systems having following transfer functions is stable? 1/(s² + 2s + 2) 1/(s²-2s + 3) Exp(-20s)/(s² + 2s-l) 1/(s²+ 2) 1/(s² + 2s + 2) 1/(s²-2s + 3) Exp(-20s)/(s² + 2s-l) 1/(s²+ 2) ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Phase lag of the sinusoidal response of a first order system is 30° 120° 90° 180° 30° 120° 90° 180° ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The unit of 'time constant' of a system is the same as that of None of these Velocity Time (time)⁻¹ None of these Velocity Time (time)⁻¹ ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Emf generated in a thermocouple depends on the temperature Difference between cold junction and atmospheric temperature Difference between hot and cold junctions Of cold junction only Of hot junction only Difference between cold junction and atmospheric temperature Difference between hot and cold junctions Of cold junction only Of hot junction only ANSWER DOWNLOAD EXAMIANS APP
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