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Hardfacing Electrodes
There are many types of hard facing electrodes. These electrodes are mainly useful in the maintenance and repair of machinery parts and equipments subjected to wear and tear. By rebuilding these parts there is cost saving.
write short note on''coefficient of insensitiveness''of governors.
A circular thin steel diaphragm having an effective diameter of 20mm is clamped around its periphery and is subjected to a uniform gas pressure of 180kN/m^2. Calculate the minim
Advantages of resistance welding 1. Resistance welding is very fast compared to arc welding. 2. Almost any combination of metals can be resistance welded provided necessa
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
EQUIPMENT FOR RESISTANCE WELDING-Single phase vs three phase The resistance welding machines can be connected either across 440 V mains (across two lines) or three phase mains.
(a) What are the functions of brake? What are the types of brakes? (b) How do brakes stop a moving vehicle? (c) What is the difference between brake and clutch? (d) Descri
Grinder: Grinders are used to sharpen the cutting edges of the tools. They are basically fast rotating grinding wheels carried at one or two ends of a shaft. The grinding wheel ar
a) An epicyclic gear have three wheels A, B and C. Wheel A has 72 internal teeth, wheel C has 32 external teeth. The wheel B gears with both A and C is carried on an arm which move
Explain the Electron Beam Machining Electron Beam Machining is the metal removal process by a high velocity focused stream of electrons which heats, melts and vaporizes the
Pulsed DC Welding Pulsed DC involves the repetitive variation in arc current from a background (low) value to a peak value. Adjustments of the pulse current time, background cu
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