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Q. Explain the use of bare electrode?
This type of electrode is also known as plain electrode. No flux covers on this electrode. These types of electrodes are used for D.C. supply. This electrode can not prevent oxidation or any reaction with atmospheric air of molten metal. So some impurity may be added in joint and joint becomes weak in strength. Such electrode use is less.
(a) What are the types of material used for making spanners? What are the uses of spanners? (b) Write down the uses of following tools and make neat sketches of the same : (i
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importance of workshop in mechanical
The steam that leaves the super-heater is expanded from 130bar at 535°C to 25.2bar at 310°C in a high pressure turbine. The steam from the exit of the HP turbine is reheated to 535
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