Process Control and Instrumentation Which of the following thermocouples has the least temperature measurement range? Chromel-alumel Copper-constantan Platinum-platinum/rhodium Iron-constantan Chromel-alumel Copper-constantan Platinum-platinum/rhodium Iron-constantan ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation A photo electric device in which the resistance of the metal is directly proportional to the light striking on it, is known as photo-conductive cell. Photoelectric transducers are used for the measurement of those parameters, which can be used to produce variation in Light intensity Flux density Current Voltage Light intensity Flux density Current Voltage 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/√2 1 0.25 0.5 1/√2 1 0.25 ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Number of poles in a system with transfer function 1/(s² + 2s² + 1) is 3 5 2 1 3 5 2 1 ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation An amplitude ratio of 0.1 corresponds to __________ decibels. 10 -20 20 -10 10 -20 20 -10 ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The fluid used in hydraulic controller is Oil Steam Water Air Oil Steam Water Air ANSWER DOWNLOAD EXAMIANS APP
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