Process Control and Instrumentation The __________ of a vapor pressure thermometer is a primary element. Bourdon tube None of these Pointer Bulb Bourdon tube None of these Pointer Bulb ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation 0n-off control which is a special case of proportional control, has a band width of about __________ percent. 25 100 75 25 100 75 ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Phase lag of the frequency response of a second order system to a sinusoidal forcing function Is 120° Is 30° Approaches 180° asymptotically Is 90° at the most Is 120° Is 30° Approaches 180° asymptotically Is 90° at the most ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation According to Bode stability criterian, a system is unstable, if the open loop frequency response exhibits an amplitude ratio exceeding unity at frequency for which phase lag is 45° 180° 0° 90° 45° 180° 0° 90° ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following thermocouples will give the highest output for the same value of hot and cold junction temperature? Chromel-constantan Platinum-platinum + rhodium All of these Iron-constantan Chromel-constantan Platinum-platinum + rhodium All of these Iron-constantan ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following is never used as an element of industrial resistance thermometer? Copper Lead 30% iron + 70% nickel Nickel Copper Lead 30% iron + 70% nickel Nickel ANSWER DOWNLOAD EXAMIANS APP
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