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Projection Welding
This is a modified method of making single or multiple spot welds. Projection welds are made by providing an embossment or projection on one or both of the contacting base metal surfaces to localise the pressure and current flow at a particular point. The process is employed for fabrication of automobile components, wheels, etc.
boiler performance.
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Screw Conveyors: Screw conveyors are used principally for transmitting materials in the form of powder or paste with the application of rotating screw. For example feedin
Brass is an alloy of (A) Copper and zinc. (B) Copper and iron. (C) copper and Aluminium. (D) Copper and tin. Ans: Brass is an alloy of copper and zin
Q. What are the basic use of Sand rammer? It is the apparatus of make specimens of moulding sand, for tests such as - permeable test, the various strength tests, and shatter te
Steam flowing at a rate of 3200 lbm/hr enters an adiabatic nozzle. The initial condition of steam is: P1 = 250 psi, v1=620 ft/min, v1 = 2.4 ft3/lbm and u1 = 1125.5 Btu/lbm. The ste
1) State five factors that must be considered when choosing a material. Discuss the importance to the engineer of each of these factors. 2) An engineer is planning to design a s
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Q: Determine the resultant of force system which is acting tangential to the circle of radius 1m as shown in the figure given below. Also find the direction of it and line of actio
Determine the increase in pressure in vessel: A thin spherical vessel of diameter 750 mm & wall thickness 8 mm is filled through water at atmospheric pressure. Determine the i
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