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Geometric modelling:
Geometric modelling is an integral part of any Computer-Aided-Design (CAD) system. Integration of geometric modelling; computer graphics along with design principles develops CAD tools. Therefore, in this unit, a brief treatment of representation of curves is presented. Curve representation in parametric form would increase the graphical representation of curves apart from ease of computation. Synthetic forms of curves such like Hermite cubic B-Splines, Bezier, B-Splines and Nurbs have been extensively used to represent several practical situations being modelled in CAD systems. A detailed treatment of these curves is presented. The features of Wire-frame models and its applications are also discussed.
Total decrease in length: Q: A hollow cast iron cylinder 4 m long, 300 mm is the outer diameter, and thickness of metal 50 mm is subjected to central load on top when standin
Line of action of force: Sol.: The direction of force along the straight line through its point of application, in which force tends to move body to which it is applied. Thi
Read two documents that will provide and answer the following questions: 1) You will note from reading the above referenced specifications that fewer valve types are recommended fo
construction of machine
Third Gear Position: When gear M3 on the main shaft is in mesh with gear C3 on the counter shaft then this is known as third gear position. The fixed gear M3 rotates with mai
Calculate the value of force - frictionless A block weighing 5KN is attached to the chord that passes over the frictionless pulley, and supports weight of 2KN. The coeffic
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A machine of mass one tonne is acted upon by an external force of 3000 N at a frequency of 1500 rpm. To reduce the effects of vibration, isolator of rubber having a static deflecti
Estimate temperature of air at exit from compressor: The air compressor compresses atmospheric air at 0.1MPa and 27 0 C 10 times the inlet pressure. During compression heat
what is shear stress
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