Process Control and Instrumentation Which of the following is not a variable area flow meter? Rotameter Magnetic flow meter Piston type meter Orifice and tapered plug meter Rotameter Magnetic flow meter Piston type meter Orifice and tapered plug meter ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following thermocouples can measure the maximum temperature? Tungsten-molybdenum Chromel-alumel Platinum-rhodium Iron-constantan Tungsten-molybdenum Chromel-alumel Platinum-rhodium Iron-constantan 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? Zinc (B.P) and mercury (F.P) Antimony and silver (F.P) Oxygen and sulphur (B.P) Ice (F.P) and steam (B.P) Zinc (B.P) and mercury (F.P) Antimony and silver (F.P) Oxygen and sulphur (B.P) Ice (F.P) and steam (B.P) ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Stabilising time for the controllers is the time required for the response to reach __________ percent of its ultimate value. 87.5 95 100 63.2 87.5 95 100 63.2 ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Nichol's chart deals with R. vs. phase lag of second order R. vs. phase lag of first order Frequency response values of controllers Closed loop values vs. open loop values R. vs. phase lag of second order R. vs. phase lag of first order Frequency response values of controllers Closed loop values vs. open loop values ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation When the damping co-efficient (ξ) is unity, the system is Critically damped Overdamped Highly fluctuating Underdamped Critically damped Overdamped Highly fluctuating Underdamped ANSWER DOWNLOAD EXAMIANS APP