DME28 MECHATRONICS
DTM4/DME28
V Semester DIPLOMA Examination, July 2014
MECHATRONICS
Time: 3 Hours Max. Marks: 75
INSTRUCTIONS:
Question paper is divided into three groups.
Each group is of 25 marks.
Figure to the right in bracket indicates mark.
Assume suitable data if necessary.
GROUP A : Answer any three questions. (Question No. 1 is compulsory)
Q.1 Explain the difference between open-closed-loop control. (05)
Q.2 Explain what is meant by sequential control and illustrate your answer by an example. (10)
Q.3 What is mean by four-bar chain? (10)
Q.4 Explain the principle of the brushless D.C. permanent magnet motar. (10)
Q.5 Describe the functions that can be required of an interface. (10)
GROUP B : Answer any three questions. (Question No. 6 is compulsory)
Q.6 Draw neat sketch of fluid control system. (05)
Q.7 Propose a model for the metal wheel of a railway carriage running on a metal track. (10)
Q.8 What are the advantages of using external interrupts rather than software polling as a means of communications with peripherals? (10)
Q.9 Explain the difference between a parallel and serial interference. (10)
Q.10 Design a system involves a PLC for the placing on a conveyor belt of boxes in batches of four. (10)
GROUP C: All Questions are Compulsory.
Q.11 Fill in the blanks (Each question carries 2 marks)
(i) A _________ valve moves horizontally within the valve body to control the flow.
(ii) In a hydraulic system, pressurized oil is provided by a pump driven by an _________ motar.
(iii) Only _________ motar are used for industrial drives.
(iv) PLC stands for _________.
(v) Presence of nonlinearity in control system tends to introduce _________.
Q.12 Multiple choice question. (Each question carries 2 marks)
(i) When two 16-input multiplexures drive a two input MUX what is the result _________. (a) 2-Input
V Semester DIPLOMA Examination, July 2014
MECHATRONICS
Time: 3 Hours Max. Marks: 75
INSTRUCTIONS:
Question paper is divided into three groups.
Each group is of 25 marks.
Figure to the right in bracket indicates mark.
Assume suitable data if necessary.
GROUP A : Answer any three questions. (Question No. 1 is compulsory)
Q.1 Explain the difference between open-closed-loop control. (05)
Q.2 Explain what is meant by sequential control and illustrate your answer by an example. (10)
Q.3 What is mean by four-bar chain? (10)
Q.4 Explain the principle of the brushless D.C. permanent magnet motar. (10)
Q.5 Describe the functions that can be required of an interface. (10)
GROUP B : Answer any three questions. (Question No. 6 is compulsory)
Q.6 Draw neat sketch of fluid control system. (05)
Q.7 Propose a model for the metal wheel of a railway carriage running on a metal track. (10)
Q.8 What are the advantages of using external interrupts rather than software polling as a means of communications with peripherals? (10)
Q.9 Explain the difference between a parallel and serial interference. (10)
Q.10 Design a system involves a PLC for the placing on a conveyor belt of boxes in batches of four. (10)
GROUP C: All Questions are Compulsory.
Q.11 Fill in the blanks (Each question carries 2 marks)
(i) A _________ valve moves horizontally within the valve body to control the flow.
(ii) In a hydraulic system, pressurized oil is provided by a pump driven by an _________ motar.
(iii) Only _________ motar are used for industrial drives.
(iv) PLC stands for _________.
(v) Presence of nonlinearity in control system tends to introduce _________.
Q.12 Multiple choice question. (Each question carries 2 marks)
(i) When two 16-input multiplexures drive a two input MUX what is the result _________. (a) 2-Input