Process Control and Instrumentation If response of a control system is to be free of offset and oscillation, the most suitable controller is Proportional controller Proportional-integral (PI) controller Proportional integral-derivative (PID) controller Proportional-derivative(PD)controller Proportional controller Proportional-integral (PI) controller Proportional integral-derivative (PID) controller Proportional-derivative(PD)controller ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Reference points i.e., ice point and steam point in Reaumer temperature scale are respectively 32° & 460° 32° & 80° - 273° & 80° 0° & 80° 32° & 460° 32° & 80° - 273° & 80° 0° & 80° ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following is a 'contact' pyrometer? Resistance pyrometer Radiation pyrometer Optical pyrometer Infra red pyrometer Resistance pyrometer Radiation pyrometer Optical pyrometer Infra red pyrometer ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Thermal conductivity measurement is used for the determination of CO₂ percentage in the flue gas Composition of an alloy O₂ percentage in the flue gas Specific gravity of petrofuels CO₂ percentage in the flue gas Composition of an alloy O₂ percentage in the flue gas Specific gravity of petrofuels ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Dead zone is the Same as transportation lag Maximum change in the variable that does not change the reading of the instrument Same as time constant None of these Same as transportation lag Maximum change in the variable that does not change the reading of the instrument Same as time constant None of these ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following does not figure in the list of seven substances selected for international temperature scale? Ice (F.P) and steam (B.P) Oxygen and sulphur (B.P) Zinc (B.P) and mercury (F.P) Antimony and silver (F.P) Ice (F.P) and steam (B.P) Oxygen and sulphur (B.P) Zinc (B.P) and mercury (F.P) Antimony and silver (F.P) ANSWER DOWNLOAD EXAMIANS APP
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