JNTU
JNTU B.Tech III INTRODUCTION TO MECHATRONICS Previous Question Paper (May/June - 2019 - R16)
Part A is compulsory (25 marks). Part B consists of 5 Units, answer one full question from each unit (10 marks each).
PART - A
Define Simulation.
Answer
Simulation is the process of creating a mathematical or logical model of a real-world system or process to predict its behavior and performance under various conditions without building the actual physical prototype.
List the method of filtering noise.
Answer
- Low-pass filtering (RC circuits).
- Digital signal processing (Moving average, Median filters).
- Shielding and grounding techniques.
- Differential signaling.
Name various CNC Programming methods.
Answer
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What are over current sensing Techniques?
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How a stepper motor controlled?
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Write brief out the LED blinking.
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Why PLC are preferred over computer control?
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What do you understand by Jump Controller?
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State the standard of Transfer function.
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What is the response of PID in control system?
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PART - B
Describe applications of Mechatronics in FMS and CIM.
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What is a signal conditioner used for? How does signal conditioning work?
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What is Mechatronics and its scope?
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What are different types of ADC? Sketch Comparator schematic.
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Explain with various elements, distinguish between NC and CNC Machine.
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What are Bipolar transistors used for? Explain how it works.
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Discuss the tool monitoring in CNC machine.
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Write brief note on Solenoids.
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Describe working and control of DC brushless motors drives.
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Elaborate microprocessor structure with diagram.
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Explain DAC with block diagram.
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What are the reasons for using load equalization in an electric drive? How do you calculate drive system load?
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Write short notes on PLC on the Data movement and data comparison.
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Why Latch circuit is used in PLC? Explain.
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What are the 4 main components of a PLC? Explain its operation.
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Explain Ladder Logic programme with any one of the examples.
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What is proximity sensor and Explain their types?
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Distinguish between Continuous and discrete processes Control Systems.
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For the differential equation: x"+4 x' +36 = y' +6 y, obtain transfer function: y/x.
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Elaborate industrial applications of Robot.
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