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Gas Lenses
Gas lenses are used to provide a laminar flow of shielding gas. All These attachments have a porous barrier diffuser and are fitted around the electrode or collet and remain inside the nozzles. By the gas lenses it is possible to keep longer gap between the nozzle and the work piece and to weld joints with limited accessibility providing adequate shielding.
(a) A circular cylinder of mass M and radius R connected by a spring of stiffness ‘K'. It is free to roll on horizontal surface without slipping. Calculate the natural frequency.
Q. Can you illustrate Sea Coal? Sea coal or coal dust is finely ground soft coal (pulverized coal). It is added to moulding sand used to make ferrous castings. It tends to obta
I have some plastic tube .5 OD .44 ID .5 long I put them in a vise end to end (sealing the inside of the tube) THen using a torque wench crush them to see when they fail. I get rea
Q. Explain Coating Repairs? Any coatings found to be damaged or that do not pass the inspection stage shall be recoated or repaired at the expense of the Applicator. The entire
Write an essay on air, water and soil-based heat pumps. Discuss the advantages and the disadvantages of each system. For each system identify the conditions under which that system
Evaluate the resultant both in magnitude and direction of the four force acting on the body as shown in figure given below :
MECHANISM OF LASER WELDING Laser welding of metals is performed with beams focused to irradiate levels in the range of 106 to 107 W / cm 2 . At such power densities, melti
Q. Define Gas Welding? Metal joining process in which the ends of pieces to be joined are heated at their interface by producing coalescence with one or more gas flames (such a
#q(b) Illustrate governing mechanism of Kaplan turbine.uestion..
(a) Explain a typical fuel feed system for a C.I engine, differentiate between air injection system and solid injection system. (b) Why Gasoline injection system has been adopte
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