Process Control and Instrumentation The closed loop pole of a stable second order system could be Both real and negative Both real and positive One real positive and the other real negative Complex conjugate with positive real parts Both real and negative Both real and positive One real positive and the other real negative Complex conjugate with positive real parts ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Composition of alloys can be determined by Refractrometer Chromatograph None of these Polarograph Refractrometer Chromatograph None of these Polarograph ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation What is the Laplace transform of sin t ? 1/(s² - 1) 1/(s² + 1) S/(s² + 1) S/(s² - 1) 1/(s² - 1) 1/(s² + 1) S/(s² + 1) S/(s² - 1) ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following is a 'contact' pyrometer? Radiation pyrometer Optical pyrometer Resistance pyrometer Infra red pyrometer Radiation pyrometer Optical pyrometer Resistance pyrometer Infra red pyrometer ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The frequency at which maximum amplitude ratio is attained is called the __________ frequency. Cross-over Natural Corner Resonant Cross-over Natural Corner Resonant 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? Invar Chromel Nickel Brass Invar Chromel Nickel Brass ANSWER DOWNLOAD EXAMIANS APP
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