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Projection Welding
This is a modified method of making single or multiple spot welds. Projection welds are made by providing an embossment or projection on one or both of the contacting base metal surfaces to localise the pressure and current flow at a particular point. The process is employed for fabrication of automobile components, wheels, etc.
Limitations of resistance welding 1). Pressure - tight joints are achieved only with flash butt welding. Resistance welding is not recommended for high pressure joints a
Discuss relative demerits and merits of belt, rope and chain drive for transmission of power and find the condition for transmitting the maximum power in a flat belt drive.
#applications radius of curvature..
Washing: Station 1 Loading bay START Station 2 Hot Chemical wash Station 3 Running Cold bath Station 4 Hot C
1) Factor of Safety is calculated by using which of the following set of values? [Select the one best answer from the choices given below.] Answer a. Yield Stress and Allowable St
Fixed Support: At such support beam end is not free to translate or rotate at the fixed end there are three reaction horizontal reaction ( R H ), a vertical reaction ( R V ), an
Moment of couple: Sol.: The moment of couple is the product of the force (that is one of the forces of two equal and opposite parallel forces) and the arm of couple. Math
Construct a plain scale: The distance between Indore and Bhopal is 180 kilometer. It is represented on the map via 9 centimeter. Construct a plain scale for such map, illustra
(a) Why does engine overheat and what will happen if engine overheats? (b) Why engine does not start in wet or damp weather? (c) What may be the causes if engine dose not sta
ADVANTAGES OF GAS TUNGSTEN ARC WELDING (GTAW) Produces high quality, low distortion welds Free from spatter The process can be used with or without filler wire This
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