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Industrial Fluid Power (October 2009)

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Total No. of Questions : 12] [Total No. of Pages : 5 [3664] - 134 P 973 B.E. (Mechanical) INDUSTRIAL FLUID POWER (2003 Course) Time : 3 Hours] [Max. Marks : 100 Instructions to the candidates: 1) Answer Q.1 or Q.2; Q.3 or Q.4; Q.5 or Q.6 from Section I and Q.7 or Q.8; Q.9 or Q.10 and Q.11 or Q.12 from Section II. 2) Answers to the two sections should be written in separate answer books. 3) Neat diagrams must be drawn wherever necessary. 4) Figures to the right indicate full marks. 5) Use of electronic pocket calculator is allowed. 6) Assume suitable data, if necessary. SECTION - I Q1) a) b) c) What are the factors considered while selecting Hydraulic fluids? [6] What are the effects of contaminants on different components of hydraulic systems? [6] What are the different dynamic seals used in hydraulic components? What are the typical locations where they are used? [6] OR Q2) a) b) c) Q3) a) b) What are the different materials used for seals? Compare their characteristics. [8] What is the effect of temperature and pressure on the properties of hydraulic fluids? [4] What are the locations where filters are typically installed in hydraulic circuits? What are their advantages? [6] Draw a neat sketch and explain working of a fixed delivery axial piston [10] pump. What are the different accessories used in hydraulic systems? What are their functions? [6] OR Q4) a) b) c) What are the applications of accumulators in hydraulic circuits? [4] Compare characteristics, advantages and applications of gear pumps, vane pumps, axial piston pumps and radial piston pumps. [8] What are the functions of different parts of a typical reservoir assembly?[4] P.T.O.

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Additional Info : 2003 Course
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