Effect of grain size on mechanical properties of metals
What is the effect of grain size on mechanical properties of metals? All solid metals are crystalline and the crystals or grains are made up of several atoms. The grain…
Alloy Steel | Engineering Materials
An alloy steel may be defined as a steel to which elements other than carbon are added in sufficient amount to produce an improvement in properties. The chief alloying elements…
Iron-Carbon Equilibrium Diagram
A modified iron-carbon diagram is shown in Fig. 13.2. The point A (1539° C) on the diagram is the melting point of pure iron. The point E shows the solubility…
Projection of Points (Problem 1)
Problem-1 Projection of Points – Draw the projection of points, the position of as per data given below: (1)A point ‘P’ 25 mm above H.P. and 20 mm behind V.P.…
Projection of Points Basics
Projection of Points – Point’s position will be given in data. We need to find out its projection on H.P. (Horizontal Plane) and on V.P. (Vertical Plane). There are maximum…
Projection of Straight Lines (Problem 1)
Problem-1 Projection of Straight Lines – A line AB, 60 mm long, is inclined at an angle of 450 to HP. and 300 to VP. One of its end point…
Projection of Solids ( Problem 1)
Problem - 1 Projection of Solids – A pentagonal pyramid has height 60 mm and the side of a base 30 mm. The pyramid rests on one of its sides…
Section of Solids (Problem 1)
Problem - 1 Section of Solids – A cone with base circle diameter 60 mm and axis length 75 mm is kept on its base on the ground. It is…
Development of Surfaces of Solids (Problem 1)
Problem - (1) Development of Surfaces of Solids – A cone made up of Aluminium sheet with base circle diameter 65 mm and axis length 75 mm is kept on…
Engineering Curves (Problem 1)
Problem -1, Engineering Curves – Draw Ellipse, Parabola and a Hyperbola on the same axis and same directrix. Take distance of focus from the directrix equal to 50 mm and…


