Process Control and Instrumentation Use of I-control along with P-control facilitates Reduction of offset Elimination of offset None of these Reduction of stability time Reduction of offset Elimination of offset None of these Reduction of stability time ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The time constant of a unity gain, first order plus time delay process is 5 min. If the phase lag at a frequency of 0.2 rad/min is 60°, then the dead time (in minutes) is π/6 π/3 5π/12 π/12 π/6 π/3 5π/12 π/12 ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Bode diagram is a plot of Log (AR) vs. f and log Φ vs.f Log (AR) vs. log (f) and (Φ) vs. log (f) None of these AR vs. log (f) and Φ vs. log (f) Log (AR) vs. f and log Φ vs.f Log (AR) vs. log (f) and (Φ) vs. log (f) None of these AR vs. log (f) and Φ vs. log (f) ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following thermocouples is the most suitable for measuring a temperature of about 1600°C in an oxidizing atmosphere? Iron-constantan Platinum-platinum + rhodium Copper-constantan Chromel-alumel Iron-constantan Platinum-platinum + rhodium Copper-constantan Chromel-alumel ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Zirconia probe is used for the measurement of % CO₂ in flue gas % O₂ in flue gas Humidity of air Speed of a submarine % CO₂ in flue gas % O₂ in flue gas Humidity of air Speed of a submarine ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Dead zone is the Same as time constant None of these Maximum change in the variable that does not change the reading of the instrument Same as transportation lag Same as time constant None of these Maximum change in the variable that does not change the reading of the instrument Same as transportation lag ANSWER DOWNLOAD EXAMIANS APP
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