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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.
Evaluate Force to slide the body over the surface: A body having weight 100N rests on rough horizontal surface (µ = 0.3) and is acted upon by a force applied at an angle of 3
WIRE FEEDING UNIT The wire electrodes are supplied as continues coils in wire spools. The solid wires are available in the following sizes 0.8, 1.0, 1.2, 1.6, 2.0 and 2.4 mm di
Illustrate with working, construction and measurement of brake power by Belt transmission type brake dynamometers? The essential features of a transmission dynamometer are show
Relation between intensity bending moment and shear force: What is the relation between load intensity bending moment and shear force Consider the beam subjected to any t
wath is diesel cycle with diagram
Q. What is MAPP Gas Welding? Methyl acetylene-propadiene-petroleum (M inert than other gas mixtures, making it safer for use and store. MAPP can also be used at very h high-vol
Design the keys - Shear Keys: A solid circular shaft is to transmit 200 kN at 200 rpm. If the maximum shear stress is not to exceed 80 n/mm 2 design the shaft. Design the key
WELD PREPARATION: Joint Tolerance & Cleaning Joint Tolerance The allowable tolerance of joint dimensions depends upon whether the welding is to be done manually or
Masonry Arch Culverts: Brick or stone masonry arches were very popular forms for culverts till recently. The disadvantage with this form is the unavoidable humps in the longi
Q. Use of Stainless Steels in welding? Considerable care must be exercised to obtain sound, crack-free welds. These difficulties are pronounced when welding very high-chromium
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