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Skeleton pattern
A skeleton of the pattern made of strips of wood is used for building the final pattern by packing sand around the skeleton. After packing the sand, the desired form is obtained with the help of a stickle as shown in Figure.8. The type of skeleton to be made is dependent upon the geometry of the work piece. This type of pattern is useful generally for very large castings, required in small quantities where large expense on complete wooden pattern is not justified. It is shown in figure.
Figure- Skeleton Pattern
Define Principal Process for Electron Beam Machining A beam of electrons is emitted from the electron gun which is basically following three points. 1. A cathode whic
Kinematics: This is that branch of Theory of Machines that deals with the relative motion among the several machine parts; without referring forces or torques that cause motion.
ACSR (Aluminium Conductor Steel Reinforced) are used as (A) over head transmission lines. (B) super conductors. (C) fuse (D) underground cables.
The following data were obtained in a boiler trail: Mass and temperature of feed water: 680 kg/hr and 20 0 C, Steam temperature and its pressure : 15bar and 300 0 C, Coal used
fliud statics
The second stage of the design process is to evaluate the oxygen requirement for the organism. This is necessary so that we can establish if the vessel we construct will be capable
What is the amount of air is supplied to engine via turbochargers and how their sizes vary from engine to engine ?
Compute the maximum bending moment: A simply supported beam of 7 m length carries point loads 2 kN, 4 kN and 6 kN at distances of 1 m, 2 m & 4 m from the fixed end respectivel
Cermets Such are the variation of cemented carbides while the carbides of W and Ti are solidified in the softer matrix of Co and Nickel to get high hardness, resistance to hig
BASIC DEFINITIONS - Air transportation: A civil engineer dealing with airport engineering shall have to know the precise meaning of some terms. These are defined below :
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