--Your friends at LectureNotes

Previous Year Exam Questions for Industrial Automation And Control - IAC of 2018 - CEC by Bput Toppers

  • Industrial Automation And Control - IAC
  • 2018
  • PYQ
  • Biju Patnaik University of Technology Rourkela Odisha - BPUT
  • Electrical and Electronics Engineering
  • B.Tech
  • 16 Offline Downloads
  • Uploaded 1 year ago
0 User(s)
Download PDFOrder Printed Copy

Share it with your friends

Leave your Comments

Text from page-1

Registration No : Total Number of Pages : 02 B.Tech. PEL6J004 6th Semester Regular Examination 2017-18 INDUSTRIAL AUTOMATION & CONTROL BRANCH : EEE Time : 3 Hours Max Marks : 100 Q.CODE : C356 Answer Part-A which is compulsory and any four from Part-B. The figures in the right hand margin indicate marks. j) Part – A (Answer all the questions) Answer the following questions : multiple type or dash fill up type : A solenoid converts ------ energy into ------ energy. An equal percentage valve has a maximum flow of 50 cm3/s and a minimum of 2 cm3/s. If the full travel is 3 cm, the flow at a 1-cm opening will be (a) 5.85 cm3/s (b) 8.55 cm3/s (c) zero (d ) None of these PLCs are used for (a) Discrete or continuous control function (b) Producing on/off voltage output (c) Actuating elements such as electric motors, solenoids etc. (d) All of the above The following characterize the DCS (a) Distributed processing (b) Distributed data (c) Distributed control (d) All of them Ratio control system is a special type of (a) Open-loop system (b) Feedback system (c) On/off system (d) Feedforward system In PID control action ,time required for oscillations to stop is (a) Larger (b) Considerable (c) Shortest (d) None of these Accuracy of pneumatic controller is about ---------%. Any variable that causes variation in the controlled variable is called----. An automatic washing machine is an example of -------- process control system. A task is in ----- state, when it is not in the reckoning for execution. a) b) c) d) e) f) g) h) i) j) Answer the following questions : Short answer type : Give two examples of multivariable control. What is the role of IP (index of performance) in adaptive control system? What is a final control element? How does a flapper/nozzle system work? Write down some of the advantages of PLC over electromechanical relays. What is operation control level in DCS? What is ‘shrink’ and ‘swell’ in boiler drum level control? What is working principle of Pneumatic Actuator? What is the difference an error signal and offset? What is semaphore? Q1 a) b) c) d) e) f) g) h) i) Q2 (2 x 10) (2 x 10)

Text from page-2

Q3 a) b) Q4 a) b) Part – B (Answer any four questions) What is the need of tuning in PID Controller? Also explain Zeigler-Nichols Tuning Method briefly. Explain briefly Digital PID Controllers. Explain the ‘end point control’ configuration of ratio control with the help of one example. Explain the override control used in the steam header shown in Fig-1 (10) (5) (10) (5) (Fig. 1) Q5 a) b) Explain any three Electric Actuation devices briefly. With neat diagram explain the Control Valve characteristics (10) (5) Q6 a) b) Draw the architecture of programmable controller and explain it briefly. Draw PLC ladder diagram to realize 4:1 MUX. (10) (5) Q7 a) b) Explain the system architecture of Distributed Control Systems (DCS) briefly. What are the advantages of Distributed Control Systems? (10) (5) Q8 a) (10) b) In a real time operating system explain how the inter-task Communication is achieved? Write short note on task Management. a) b) Explain Multivariable Control with some examples. What are the advantages of cascade control configuration? (10) (5) Q9 (5)

Lecture Notes