B.TECH - Semester 7 mechatronics Question Paper 2013 (dec)
Practice authentic previous year university questions for better exam preparation.
Sample Questions
- Choosing not more than one question from each Module from Part-B PART - A Each question carries 2 marks.
- With a neat sketch explain the mechatronics system.
- Write a selection and application of PLCs.
- Explain the procedure to select the actuators.
- What are the four primary functions of mechanical actuation system?
- What are the factors considering for selecting the PLC?
- What is latching contact?
- List the industrial application of MEMs.
- What is micro controller?
- How is accuracy maintained in CNC machining?
- Explain delay on and delay off timer with ladder diagram. ( $10 \times 2=20$ Marks) P.T.O. Each question carries 20 marks.
- (a) Explain the relationship between temperature and resistance for the RTD with temperature resistance curve. What are the advantages and disadvantages of RTDs?
- (b) Explain the control system for the domestic central heating system involving a bimetallic thermostats and that involving microprocessor.
- (a) Explain the working principle of incremental encoder.
- (b) Discuss how LVDT senses displacement. With a neat sketch show how it can be made phase sensitive.
- (a) Explain the piezoelectric drives with the neat sketch. State its application. 10
- (b) Draw the delay ON and delay OFF timer ladder diagram. 05
- (c) Explain the ladder diagram for the latching. 05
- (a) Three cylinders are controlled by cascade control. Discuss their function using hydraulic circuit.
- (b) Discuss in detail the applications of MEMs. Include details of sensors, actuators and structure. Module - III
- (a) What are the different element of CNC machine? Explain in details. ..... 10
- (b) Explain the detail about jump control used in PLC using ladder diagram. ..... 10 OR
- (a) Explain the various types of ball and roller bearing. ..... 10
- (b) Explain the thyristors and triacs in detail. ..... 10 Module - IV
- (a) Write a short note on servo amplifier for DC motor. ..... 10
- (b) Write note on Bar code scanner and pick and place robot. ..... 10 OR18. Explain the robotic vision system with image acquisition, vidicon, CCD andCID.10 $$ (4 \times 20=80 \text { Marks }) $$