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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.
Q. Why we need additives explain? Additives are the materials added in small quantities to the moulding sand in order to enhance its exiting properties and to impart to it spec
Are the types of pumps selected (base mounted, in-line)? Locate pump on discharge side of boiler. Flexible connector used. Valving indicated, isolation valve on suction and dis
(a) Illustrate Torsionally Equivalent shaft. (b) Determine the natural frequencies and mode shapes for the system shown in figure I 1 = 10 Kg -m 2 I 2 = 40 Kg -m 2
example of fnsd analysis
Tension in string and accelerations of blocks: Find out the tension in string and accelerations of blocks A and B having weights 200N and 50N respectively, connected by the s
AUTOMOBILES INDUSTRY GROWTH: The Indian automobile industry has a significant labour cost advantage. India's automotive sector has the world's second largest pool of skilled labou
what are the limitations of first law of thermodynamics?
The Linear Dimension Command You can use this command to generate horizontal and vertical dimensions.Creating a linear dimension is eas
A new process plant for ore processing is currently being planned. The design is only in the first stage. However, three requirements have already been clearly stated: - The bins s
Method of resolution to find out the resultant force: Some time there is doubt for finding the angle of resultant (θ), the value of the angle θ will be very depending upon the
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