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Firecracker Welding
This is a semi automatic version of SMAW. A specially designed heavy - coated electrode, which can be of any length upto 2 m, is laid on the seam of a grooved butt joint or along the root of a tee joint. It is then clamped down with a water - cooled copper bar heavy square section, which is grooved to accommodate the electrode. The copper bar is nearly as long as the electrode. The bare end is clamped in a holder. The arc is struck at the striking end and the electrode gradually consumes by itself, making the butt or fillet weld of the same length as the electrode. The copper block helps to prevent overheating of the electrode and to maintain intimate contact between the electrode and the joint.
PRE HEAT INTERPASS TEMP. REQUIREMENTS FOR FILLER METALS The preheat and inter pass temperature must be sufficient to prevent the cracking.Previous Experience has shown that t
single point cutting tool
Q. Safety considerations for storage tanks? Large storage tanks are potential fire hazards and should be located at a lower elevation than other occupancies to prevent liquids
The tapered, two-cell beam is subjected to a pure torque of 50,000 in-lb counter clockwise. The length of the beam (normal to the figure) is 100 in. The flange areas are 1 sq in an
Express the force in vector form: A force of 400 N forms angles of 45 o , 65 o and 120 o , respectively, along with the x, y and z axes. Express the force in vector form.
Can you explain about MIS ? What is the role of MIS in decision making ? Illustrate standardization, specialization and simplification in product design and development.
STEP S FOR SOLVING PROBLEM FOR FINDING POWER: 1. Use formula stress (s) = force (Maximum Tension)/Area Where; Area = b.t that is, Tmax = σ.b.t 2. Unit mass (m) = r.b.t.
Cell Connectors A cell connector connects the nearby cell with two terminals of opposite polarity (sign). Post strap connect the plates to the terminal. Electrolyte
HOW TO SIZE RECIRCULATION HOT WATER PUMP?
You as design Engineer, Describe how you would decide a suitable factor of safety for the design of a new mechanical elements. Illustrate the importance of aesthetic considerati
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