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2003 Course Industrial Hydraulics & Pneumatics

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Total No. of Questions : 12] P1273 [Total No. of Pages : 6 [3864]-152 B.E. (Mech. S/W) INDUSTRIAL HYDRAULICS AND PNEUMATICS (2003 Course) Time : 3 Hours] [Max. Marks : 100 Instructions to the candidates: 1) 2) 3) 4) 5) 6) Answers to the two sections should be written in separate books. 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, Q. 11 or Q. 12 from section-II. Neat diagrams must be drawn wherever necessary. Figures to the right indicate full marks. Use of electronic pocket calculator is allowed. Assume suitable data, if necessary. SECTION - I Q1) a) What are the different locations where filters are provided in hydraulic [6] systems. b) Compare hydrostatic and hydrodynamic power transmission. [5] c) Write in short on Fluid Power applications in material handling. [5] OR Q2) a) Draw a neat sketch and explain working of a Gear Pump. Draw typical characteristics of a Gear pump. [10] b) What are the different types of seals used in various hydraulic components? [6] Q3) a) What are the properties of fluids which need to be considered while used in hydraulic systems? [6] b) Explain in brief the areas of application of fluid power. [6] c) Why hydraulic power especially useful with heavy work? [4] OR Q4) a) Explain : i) ii) [10] Accumulator as an auxiliary power source. Accumulator as a hydraulic shock absorber. b) What are the advantages of fluid power system. [6] P.T.O.

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