Number 14 FIGURE 5.49 Problem 10.16Time in mins6. Which one of the outputs could be given by a derivative controller?8. Which one of the outputs could be given by a proportional plus integral controller?7. Which one of the outputs could be given by an integral controller?9. Decide whether each of these statements is True (T) or False (F).With a PID process control system tested at start-up using the ultimate cycle method with the denmode turned off and the integral mode set to its lowest setting, the period of oscillation was found to10 min with a proportional gain setting of 2. The optimum settings, using the criteria of Ziegler andwill be:i. An integral constant of 0.2 min¹ii. A proportional gain setting of 1.2.A. (i) T (ii) TB. (i) T (ii) FC. (1) F (ii) TD. (i) F (ii) F10. Decide whether each of these statements is True (T) or False (F).With a PIby 10%, theZiegler a1 process control system tested by the process reaction method and the controller output chanresponse graph obtained was as shown in Figure 5.49. The optimum settings, using the criteand Nichols, will be:ii.Integi. Proportional gain constant 7.2.Integral constant 0.15 min¹A. (1) Τ (ii) TB. (i) T (ii) FC. (i) F (ii) TD. (i) F (ii) F11. Decide whether each of these statements is True (T) or False (F).20 min with a proportional gain setting of 1.2. The optimum settings, using the criteria of Ziegler andmode turned off and the integral mode set to its lowest setting, the period of oscillation was found to beWith a PI process control system tested at start-up using the ultimate cycle method with the derivativeNichols, will be:i. An integral constant of 0.06 min¹.ii. A proportional gain setting of 1.2.A. (i) T (ii) TB. (i) T (ii) FINSTRUMENTATION AND CONTROL SYSTEMSPPOC. (i) F (ii) T12. A control system is designed to control temperatures between -10°C and +30°C. What is (a) the range, (b)D. (i) F (ii) Fthe span?13. A temperature control system has a set point of 20°C and the measured value is 18°C. What is (a) theabsolute deviation, (b) the percentage deviation?14. What is the controller gain of a temperature controller with a 80% PB if its input range is 40-90° and itsoutput is 4-20 mA?FIGURE15.16

Answered: Image /qna-images/answer/1b1afb12-181c-4e3d-9640-1c44c7bd368a.jpg

+30°C. What is (a) the range, (b) temperature control system has a set point of 20°C and the measured value is 18°C. What is (a) the absolute deviation, (b) the percentage deviation? 14. What is the controller gain of a temperature controller with a 80% PB if its input range is 40-90° and its output is 4-20 mA? INSTRUMENTATION AND CONTROL SYSTEMS

+30°C. What is (a) the range, (b) temperature control system has a set point of 20°C and the measured value is 18°C. What is (a) the absolute deviation, (b) the percentage deviation? 14. What is the controller gain of a temperature controller with a 80% PB if its input range is 40-90° and its output is 4-20 mA? INSTRUMENTATION AND CONTROL SYSTEMS

Introductory Circuit Analysis (13th Edition)

13th Edition

ISBN:9780133923605

Author:Robert L. Boylestad

Publisher:Robert L. Boylestad

Chapter1: Introduction

Section: Chapter Questions

Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...

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