B.TECH - Semester 7 mechatronics Question Paper 2019 (jun)
Practice authentic previous year university questions for better exam preparation.
Sample Questions
- 702 : MECHATRONICS (MPU) Time : 3 Hours Max. Marks : 100 PART - A Answer all questions. Each carries 4 marks.
- What are the advantages and disadvantages of open loop control system?
- Explain how level of a liquid in a tank can be measured with the help of a potentiometer.
- Describe the function of a piezoelectric sensor in detail.
- Explain the working principle involved in temperature measurement using bimetallic strip.
- Explain briefly the advantages and limitations of the hydrostatic conditions of guideways.
- Explain the principle of the brushless DC permanent magnet motor.
- Explain adaptive control as applied to machine tools.
- Distinguish between ultrasonic and eddy current proximity sensors.
- Explain tactile fluid pressure sensor with a neat sketch.
- Explain cushioning of pneumatic cylinders. PART - B Answer any one full questions from each Module.
- (a) Explain any four static characteristics of transducers and their effects on the measured variables.
- (b) Explain the principle of operation of a LVDT. What do you mean by electrical zero position? Draw the relative voltage signals with respect to the electrical zero position.
- (a) Describe the principle of a pilot operated valve. Explain how a sequential valve can be used to initiate on operation only when another operation has been completed.
- (b) Explain briefly the working and applications of MEMS based accelerometer.
- (a) Describe the basic structure of PLC's and their operation.
- (b) Explain with a neat sketch the principle of operation of hydrodynamic bearings. Also state its limitations.
- (a) Explain with a neat sketch the salient features and working of a recirculation roller screws and planetary type roller screws.
- (b) Design a logic circuit for operating two pneumatic pistons $A$ and $B$ in the sequence $A+B+A-B-$.
- (a) Explain the various geometric configurations of a robot? ..... 8
- (b) Design a mechatronics-based modern engine management system. ..... 12
- (a) Explain any two range finding methods using laser beams. ..... 8
- (b) What is an $A C$ motor? How are $A C$ motors classified? Explain the constructional features of a single-phase induction motor. ..... 12