Process Control and Instrumentation The characteristic equation for the control system with a closed loop transfer function G₁/1 + G₂ is given by 1 + G₂ = 0. The characteristic equation for the control system Is the same for set point or load changes Depends only upon the open loop transfer function All of these Determines its stability Is the same for set point or load changes Depends only upon the open loop transfer function All of these Determines its stability ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Photoelectric pyrometers are suitable in the temperature range of __________ °C. 400-1000 800-2500 400-1600 800-1600 400-1000 800-2500 400-1600 800-1600 ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Dead zone in an instrument must be less than __________ percent of the scale. 4 1.5 0.2 8 4 1.5 0.2 8 ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Emf developed by a thermocouple, while measuring a temperature of 600°C is about 5.5 mV. The type of thermocouple used is Platinum-platinum+rhodium Either A, B or C Chromel-alumel Iron-constantan Platinum-platinum+rhodium Either A, B or C Chromel-alumel Iron-constantan ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Degree to which an instrument indicates the changes in measured variable without dynamic error is called its Reproducibility Fidielity Static characteristics Speed of response Reproducibility Fidielity Static characteristics Speed of response ANSWER DOWNLOAD EXAMIANS APP
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
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