Process Control and Instrumentation Stability of a control system containing a transportation lag can be best analysed by Frequency response methods None of these Root locus methods Routh test Frequency response methods None of these Root locus methods Routh test ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Working principle of bimetallic thermometers is difference in linear co-efficient of thermal expansion of two strips of different metals welded together. Which of the following has the maximum thermal co-efficient of linear expansion? Brass Chromel Nickel Invar Brass Chromel Nickel Invar ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Change of angle of refraction with composition comprises the working principle of a Polarograph Refractrometer Polarimeter Spectrometer Polarograph Refractrometer Polarimeter Spectrometer ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The deflection in diaphragm (which is used as pressure sensor in pneumatic and electronic instruments) is dependent on the metal thickness, its diameter (d) and shape & number of corrugations. Its deflection is proportional to D³ D² D D⁴ D³ D² D D⁴ ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following is not a variable area flow meter? Magnetic flow meter Rotameter Piston type meter Orifice and tapered plug meter Magnetic flow meter Rotameter Piston type meter Orifice and tapered plug meter 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
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