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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.
a) In strip rolling what is i) Forward slip ii) Neutral point. Illustrate with diagram. b) State the conditions for rolling.
Derivation of displcement equation of cycloidal motion related to follower
Symmetric Central Force A central force is spherically if the magnitude of the force does not depend on the direction (angles θ , or Ø ) of the particle but only on distance
Solid Modeling: 3-D solid modelling techniques provide the user along with complete information regarding the model. These may be quickly created without having to describe in
Q. Nitrogen storage and vaporizer? Bulk cryogenic storage of nitrogen must be located away from process equipment, preferably at the edge or corner of the process area where fi
A shaft is hinghed by two bearings placed 1.0 m apart. A 600mm diameter pulley is mounted at a distance of 300 mm to the right of left hand bearing and this operates a pulley direc
For Elevated Temperatures, Other Materials High temperature creep is a significant phenomenon to be guarded in various machines like gas turbines, missiles, reentry vehicles a
use of productin drawing in manufacturing technolagy
Getting Familiar: An entrepreneur wishing to set up an industry must first formulate a comprehensive plan for setting the industry for its success. For this, he/she should have co
Contents of Cast Iron: Cast Iron or CI is prepared form melting pig iron in cupola furnace or in electric furnace. This furnace offers better quality. CI contains various
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