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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.
State the Planning the foundation for reciprocating engines i) The eccentricity of the common centre of gravity of machine and foundation referred to the centroid of base are
Magnetic Susceptibility and Ferromagnetic Substances: Magnetic Susceptibility: The magnetic susceptibility (c) of a substance is defined as the ratio of the intensity of magn
Explain the Semi-Automatic Extension of screw conveyor "Semi-Automatic Extension of screw conveyor as per the screed width by telescopic-tube" Procedure: The extension of
A hole of 25 mm diameter and 62.5 mm depth is to be drilled. The suggested feed is 1.25 mm/rev.and the cutting speed is 60 m/min. Assume the clearance height is 5 mm. Determine: f
THE WELDING ARC The heat that is developed at the cathode and anode of an arc discharge is able to melt most of the metals and alloys. Hence, the arc is used as an intense heat
Equilibrium conditions: What are equilibrium conditions for non concurrent force system? Sol.: For the Equilibrium of non concurrent forces there are three conditions:
(a) The following forces (all pull) act at a point : (6) (i) 20 N North-East (ii) 25 N due North (iii) 20 N 30o East of South (iv) 15 N due East (v) 30 N 60o South o
Determine the minimum critical Euler axial compression force, Pcr and the minimum critical Euler axial compression stress, cru, for the column below which is pinned at the top and
Find Cutting Speed for Prolonging Tool Life A form tool machining at 24 m/minute requires re-sharpening after 30 minutes. What should be the cutting speed for prolonging tool
STRESS ANALYSIS
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