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Previous Year Exam Questions for Mechatronics - Mech of 2018 - BPUT by Bput Toppers

  • Mechatronics - Mech
  • 2018
  • PYQ
  • Biju Patnaik University of Technology Rourkela Odisha - BPUT
  • Electrical and Electronics Engineering
  • B.Tech
  • 358 Views
  • 6 Offline Downloads
  • Uploaded 9 months ago
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Registration No : Total Number of Pages : 02 B.Tech. PEL7J006 7th Semester Regular Examination 2018-19 MECHATRONICS BRANCH : EEE Time : 3 Hours Max Marks : 100 Q.CODE : E168 Answer Question No.1 (Part-1) which is compulsory, any eight from Part-II and any two from Part-III. The figures in the right hand margin indicate marks. Q1 a) b) c) d) e) f) g) h) i) j) Q2 a) b) c) d) e) f) g) h) i) j) k) l) Part-I Short Answer Type Questions (Answer All-10) What are the advantages of closed loop control system over an open loop control system? Justify your answer. Explain the following terminologies related to transduces : Accuracy and Repeatability. The peak to peak ripple voltage of a sine wave is 8V. If the DC voltage level of the circuit is 60V, find the Vrms and ripple factor? What are the important applications of microcontrollers? What is inverse transducer? Write any two examples. Compare NOR and Ex-NOR gates. How latch circuit is represented in ladder circuit? How a servo motor is controlled? Explain about the architecture of PLC. What are the factors to be considered for selecting actuators? Part-II Focused-Short Answer Type Questions- (Answer Any Eight out of Twelve) Lists the different types of internal and external sensors used in a mechatronic system and describe them briefly. Explain the various stages in mechatronics design approach and state how it differs from the traditional approach. What is the importance of Boolean expression in logic circuits? Illustrate with examples. Convert the binary numbers 10110.01 into decimal form. Convert the decimal no 5.5125 into binary form. Also convert (4D.0F)16 into binary form. Explain the working of PID controller with a neat sketch. Draw the equivalent circuit of op-amp and state the ideal characteristics op-amp. Draw the GWB if the operating frequency bandwidth of an op-amp is 30kHz and closed loop gain Gc is 200. With a suitable graph, discuss the specifications and characteristics of a stepper motor. Explain the configuration of PLC. List the considerations in selecting a PLC. Explain the working principle of photovoltaic cell with neat sketch. What do you understand by a program scan? Explain the procedure of scanning. What is gear? What are the difference between simple and compound gear train with proper examples? (2 x 10) (6 x 8)

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Q3 Part-III Long Answer Type Questions (Answer Any Two out of Four) With the help of a proper control circuits explain the speed control of AC and DC motors. (16) Q4 What do you mean by Z-transformation? Explain the Z-transformation modulation and de-modulation. (16) Q5 What is actuator? State the different types of actuators. Describe various pneumatic actuators used in mechatronics system. (16) Q6 What is adaptive control? State the three major factors of adaptive control. Explain the different adaptive control schemes. (16)

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