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Process Instrumentation and Control - Interview Questions and Answers

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6. The frequency response can be obtained analytically from the :
A. characteristic equation
B. transfer functions of the components
C. polar plot
D. Bode diagram
E. all of the above.
Explanation:
7. System function is expressed as :
A. Response function
B. lyccitation function
C. (a)/(b)
D. (b)/(a)
E. characteristic equation.
Explanation:
8. Following is the property of the system which opposes a change in the output variable :
A. load
B. power element
C. resistance
D. damping
E. all of the above.
Explanation:
9. The steady-state performance is evaluated in terms of the :
A. accuracy with which the output is controlled for a specified input
B. maximum overshoot
C. rise time
D. response time
E. all of the above.
Explanation:
10. The controller action in which there is continuous linear relation between the position of the final control element and the value of the controlled variable :
A. floating controller action
B. proportional-position controller action
C. proportionrl-speed floating controller action
D. two-position controller action
E. self-regulation controller action.
Explanation:
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