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Welding HeadSubmerged arc welding head consists of the wire spool, wire feed system, flux delivery hopper and electrical contact nozzle. The electrode wire is unwound from the spool by the power driven rolls, straightened by a set of pressure rolls and fed through the contact nozzle into the weld pool. The drive for wire feed is from a motor with speed control provided either by means of a gear box or by means of thyristor controls.
Charpy impact tests, when required shall comply. Impact tests shall be conducted at the minimum design metal temperature or at a lower temperature and shall meet or exceed energ
Multimeter: This is used to measure voltage, current and resistance of an electrical circuit (Figure). Figure: Multimeter
INTRODUCTION: Previously, you studied about the repairing some parts of a motorcycle. In this unit, we shall mainly emphasise on the troubleshooting of the basic problems. This un
What is the difference between a mechanical component and a mechanical part?
Explain about the Raft Foundations The raft foundations are generally used for large loaded area on soils of low bearing capacity. They are of particular use when soils are of
Difference between projectile motion and a rocket motion? Ans) A projectile has no motor or rocket on it, so all of its momentum is given to it as it is opened. An example of a
Illustrate vacancy defect and screw dislocation with diagram. Also show the induced nature of stress and stress by mean of diagram. Illustrate interstitial defect and edge disl
lami''s theorem for thick cylinder
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how to make a vapour absorber?
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