Process Control and Instrumentation A negative gain margin expressed in decibels means a/an __________ system. None of these Critically damped Stable Unstable None of these Critically damped Stable Unstable ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Emf developed by a thermocouple while measuring a temperature of 800°C is about 31 mV. The type of thermocouple used is None of these Platinum-platinum+rhodium Iron-constantan Chromel-alumel None of these Platinum-platinum+rhodium Iron-constantan Chromel-alumel ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Zirconia probe is used for the continuous measurment of __________ flue gases going out of the furnace. Oxygen in Carbon monoxide in Temperature of Carbon dioxide in Oxygen in Carbon monoxide in Temperature of Carbon dioxide in ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation A first order system with unity gain and time constant τ is subjected to a sinusoidal input of frequency w = 1/τ. The amplitude ratio for this system is 0.5 1 0.25 1/√2 0.5 1 0.25 1/√2 ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Process degree of freedom indicates __________ number of controllers to be used. Nothing about the The maximum Both maximum and the minimum The minimum Nothing about the The maximum Both maximum and the minimum The minimum ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Stabilising time for the controllers is the time required for the response to reach __________ percent of its ultimate value. 95 63.2 100 87.5 95 63.2 100 87.5 ANSWER DOWNLOAD EXAMIANS APP
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