Process Control and Instrumentation The frequency response of a first order system, has a phase shift with lower and upper bounds given by -π/2, π/2 - ∞, π/2 -π/2, 0 0, π/2 -π/2, π/2 - ∞, π/2 -π/2, 0 0, π/2 ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The unit step response of the transfer function 1/(s² + 2s + 3) Has a damped oscillatory characteristics Has a non-zero slope at the origin Is overdamped Is unstable Has a damped oscillatory characteristics Has a non-zero slope at the origin Is overdamped Is unstable ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The root locus plot of the roots of the characteristics equation of a closed loop system having the open loop transfer function K(s + 1)/2(2s + 1)(3s + 1) will have a definite number of loci for variation of K from 0 to ∞. The number of loci is 1 2 3 4 1 2 3 4 ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following relates the emf. generated in a single homogeneous wire to the temperature difference? Seebeck effect Peltier effect Thomson effect None of these Seebeck effect Peltier effect Thomson effect None of these ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following thermocouple materials does not contain nickel? Alumel Constantan Chromel None of these Alumel Constantan Chromel None of these ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Degree to which an instrument indicates the changes in measured variable without dynamic error is called its Fidielity Static characteristics Reproducibility Speed of response Fidielity Static characteristics Reproducibility Speed of response ANSWER DOWNLOAD EXAMIANS APP
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