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SHIELDING GASES
Shielding gas is directed by the torch to the arc and weld pool to protect the electrode and the molten weld metal from atmospheric contamination.
Argon and helium or mixtures of the two are the most common types of inert gas used for the shielding. Argon hydrogen mixtures are used for special applications.
Plate : These are also known as electrodes. There are two types of group of plates - Positive and Negative. Each group contains more than one plate. A group of positive plates is
Magnitude, direction and position of resultant force: Q : A horizontal line PQRS is 12 m long, and PQ = QR = RS = 4m. Forces of 1000, 1500, 1000 and 500 N act at P ,
What is the difference between von-mises and maximum principal stress? What is axisymmetric, plane stress, and plane strain modeling? What is difference between a beam, spar,
Define the Effect of Feed Increase in feed rate deteriorates surface finish. It is observed that a rate of feed in the range from0.12 to 0.15 mm per revolution has a negligible
How can I get the literature review on fabrication and construction of a modified Co2 single stroke positive displacement pump driven with electric motor
STORAGE & QUALITY OF CO 2 GAS CO 2 gas is supplied in cylinders at a high pressure (140 kg / cm 2 ). When the cylinder is full, nearly 90 % of the volume is filled with CO 2
Pliers: Pliers are used just for gripping or wire cutting and should never be used as substitute for spanners. The following types of plier are used : (a) Side cutting pliers
Define the term linear non-uniform soil pressure. See that the eccentric load on a column as in demonstrated figure also produces a similar effect. The linear non-uniform soil
Are there jobs in the field of Mechanical Engineering that incorporate the outdoors? I am an outdoorsman for one, and a tradesman at heart and am currently a Mechanical engineering
Feeler Gauge: It is used to measure minor clearances. Feeler gauges come in set of a few blades of different thickness as shown in Figure. It is used to measure the spark plug gap
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