Pune University BE Production Mechatronics and Robotics
B.E. (Production Sandwich) MECHATRONICS & ROBOTICS (2008 Pattern) (Sem. – I)
Time :3 Hours] [Max. Marks :100
Instructions to the candidates:-
1) Answer any three questions from section I and any three questions from section II.
2) Answers to the two sections should be written in separate answer books.
3) Use of calculator is allowed.
4) Pigures to the right indicate full marks.
5) Answer one question from 1 & 2, 3 & 4, S & 6, 7 & 8, 9 & 10, 11 & 12.
SECTION – I
QI) a) Explain the difference between closed loop control system 8 open loop control System. With block diagram an example of Open Loop System.  b) Explain the Various Elements of Mechatronics System with Suitable example. 
Q2) a) Explain with suitable example Data Acquisition System. 
b) Explain various elements of Measurement system with suitable example. 
c) Explain integrator and differentiator Operational Amplifier. 
Q3) a) With neat diagram the elements of Microcontroller. 
b) Draw the block diagram of 8085. Explain registers used in 8085. 
Q4) a) Explain the following for a Microprocessor. 
ii) Memory Status
b) Explain in detail CMOS 8 Digital Logics along with example. 
Q5) a) Write a program in Assembly Language to determine the Maximum Temperature obtained from a list of measured temperature. 
b) Explain the following command with example. 
Q6) Explain the following with neat figures. 
a) Hand Shaking b) Serial Interfacing.
c) Need of Interfacing d) Bidirectional Buffer.
SECTION – II
Q7) a) What are the different criteria for selection of a PLC. 
b) Compare the Relay Logics and PLC. 
Q8) a) Explain the Specification of PLC. 
b) An electric motor is started by a STRAT switch which is NO, stopped by a STOP switch which is NC.A Selector switch is used to select either clockwise or Anticlockwise rotation of the motor. The motor stops 25 seconds after the STOP Switch is pressed. An extra emergency STOP switch is also provided. 
Q9) a) Write a short note on steeper Motor. 
b) State and Explain sensors to measure the following: 
i) Fluid Pressure ii) Liquid Flow
iii) Temperature iv) Proximity Sensor
Q10)a) Explain the use of relays in the Control system along with Example. 
b) A 5kg rectangular block is gripped in the middle and lifted vertically At velocity I m/s. If it accelerates to this velocity at 27.5 m/s2 and the Coefficient of friction between the gripping pad and block is 0.48. Calculate minimum force that would prevent slippage. 
Qll)a) Define Robot State Classification of Robot along with suitable Application.
b) State Different types of Sensors used in robot. 
c) Explain the Vision system used in Robotics. 
Ql2)Write a short note on the following: 
a) Different types of Grippers used in Robot.
b) Application of Robot in Medical Field.
c) Dynamics Properties of Robot.