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Friday, 6 December 2013

Industrial automation and robotics-model question paper for B.E/B.Tech/M.E/M.Tech


1(a) Differentiate between absolute and relative humidity. (4 Marks)
(b) Write short notes on application of hydraulics in automation. (4 Marks)
(c) Draw a neat sketch of pneumatic system and explain its components. (6 Marks)
(d) With the help of neat sketch, explain the working of vane pump. (6 Marks)
2(a) What is FRL unit in pneumatic systems? (4 Marks)
(b) Differentiate between dead weight and spring-loaded accumulators. (6 Marks)
(c) List down the reasons for using filter in hydraulics and pneumatics. (4 Marks)
(d) With the aid of sketches, explain the constructional features of a hydraulic cylinder. (6 Marks)
3(a) Sketch a shuttle valve and explain the working. (6 Marks)
(b) What are servo valves? Explain the construction and working of various types of servo valves with the help of neat sketches. (8 Marks)
(c) Explain cracking pressure and pressure override. (4 Marks)
(d) Differentiate between spool and seat valves. (4 Marks)
4 (a) List the basic types of hydraulic circuits. (4 Marks)
(b) Differentiate between throttle in and throttle out speed control circuit in pneumatics with help of a neat sketch. (6 Marks)
(c) Draw pressure reduction circuit and explain its working. (6 Marks)
(d) Explain the function of quick exhaust valve with the help of a neat sketch. (4 Marks)
5 (a) Discuss the step-wise procedure for design of pneumatic logic circuit for give sequence of operation. Illustrate the procedure by taking any simple example. (8 Marks)
(b) Explain the importance of position step diagram. (4 Marks)
(c) What is Coanda effect? Describe with diagram. (4 Marks)
(d) Describe the working of any fluidic device. (4 Marks)
6 (a) Discuss the various types of sensors used for position or displacement measurement. (4 Marks)
(b) Write a short note on thermocouple. (4 Marks)
(c) Explain the architecture of a programmable logic controller with the help of a neat sketch. (8 Marks)
(d) Describe any one type of job rotating devices. (4 Marks)
7 (a) What is robotic joint? Distinguish between prismatic and revolute joints. (6 Marks)
(b) Classify robots based on their geometry. (4 Marks)
(c) Briefly explain the various components of an industrial robot. State the main function of each of the components. (6 Marks)
(d) How is robotic vision sensed? What are the component systems used in most common vision based applications? (4 Marks)
8(a) Differentiate between contact and noncontact sensors in robots with the help of examples. Describe the construction and working principle of one contact and one noncontact type of sensor. (8 Marks)
(b) Explain the working principle of an end effector with the help of neat sketch and give its important applications. (4 Marks)
(c) What is meant by teach pendant programming of robots? (4 Marks)
(d) Prepare list of any four industrial operations that can be performed by robot. (4 Marks)

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