Process Control and Instrumentation A negative gain margin expressed in decibels means a/an __________ system. Critically damped None of these Stable Unstable Critically damped None of these Stable Unstable ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following is the dynamic characteristics of an instrument? Reproducibility Dead zone Fidelity Sensitivity Reproducibility Dead zone Fidelity Sensitivity ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Bode diagram is a plot of Log (AR) vs. log (f) and (Φ) vs. log (f) AR vs. log (f) and Φ vs. log (f) None of these Log (AR) vs. f and log Φ vs.f Log (AR) vs. log (f) and (Φ) vs. log (f) AR vs. log (f) and Φ vs. log (f) None of these Log (AR) vs. f and log Φ vs.f ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following shows maximum dip effect (indicating reverse direction of temperature change)? Mercury thermometer Thermocouple Bimetallic thermometer Radiation pyrometer Mercury thermometer Thermocouple Bimetallic thermometer Radiation pyrometer ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The offset introduced by proportional controller with gain Kc in response of first order system can be reduced by Reducing value of Kc Introducing derivative control Introducing integral control None of these Reducing value of Kc Introducing derivative control Introducing integral control None of these 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
EXAMIANS