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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.
Q. What do you mean by Weld and hold time? Weld time During this period the welding current flows through the circuit, i.e., it enters from one electrode, passes through t
Plastics, Reinforced Plastics And Adhesives Introduction Organic materials particularly that occur in nature like wood and leather have been employed for engineering caus
A vibrating system having mass 1.2 Kg is suspended by a spring of stiffness 1000 N/m and it is put to harmonic excitation of 10 N. Assuming viscous damping, Calculate : (a) R
Explain concept of Counter Bore and countersink in radial drilling machine Counter Bore :- This operation uses a pilot to guide the cutting action to accommodate the heads
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Water flows into the sink shown in figure 5 at a flow rate of 8 L/min. If the drain is closed, the water will eventually flow through the overflow drain holes rather than over the
A circumferential fin rectangular profile is constructed of Cu and surrounds a tube having a diameter of 1.25 cm. The fin length is 6 mm and its thickness is 0.3 mm. The fin is ex
in hydro turbine vaccum is present in casing or not? & if not then how suction is take place?
Determine root of equation xe x = cosx by Muller's method. Solve the following equations by Matrix Inversion method.
The attached figure depicts an indirectly fired gas turbine engine. In the gas turbine engine, air is compressed to a high pressure and then heat is added. The high pressure, high
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