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. Platinum-platinum/rhodium Iron-constantan None of these Chromel-alumel Platinum-platinum/rhodium Iron-constantan None of these Chromel-alumel ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation When the damping co-efficient (ξ) is unity, the system is Highly fluctuating Underdamped Critically damped Overdamped Highly fluctuating Underdamped Critically damped Overdamped ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Pirani gauge is used for the measurement of Liquid level under pressure Very high pressure Liquid level at atmospheric pressure High vacuum Liquid level under pressure Very high pressure Liquid level at atmospheric pressure High vacuum ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Phase margin is equal to Phase lag - 180° 180° - phase lag Phase lag + 180° Phase lag + 90° Phase lag - 180° 180° - phase lag Phase lag + 180° Phase lag + 90° ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The transfer function of a first order system is S/(Ts + 1) 1/Ts 1/(Ts + 1) None of these S/(Ts + 1) 1/Ts 1/(Ts + 1) None of these ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation What is the Laplace transform of impulse input having magnitude 'X' ? X 1 X² 1/X X 1 X² 1/X ANSWER DOWNLOAD EXAMIANS APP