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Explain Rake angle - Angles of a drill
It is also known as helix angle .It is the angle formed between a plane containing the drill axis and the leading edge of the land. It can have a positive, negative or zero value. For a right hand flute its value is positive, for a left flute negative and for parallel flutes it is zero. For most drill the value of rake angle varies from 0 to as high as 48.However, 16 to 32 ranges is quite common for normal materials. Higher values are suitable for softer materials and lower values for harder materials. The power or torque required to rotate the drill is greatly influenced by this angle. Larger the value of this angle, lesser will be the torque required and vice-versa
Transformer for flash butt welding The transformer required for flash butt welding is similar to that needed for other resistance welding processes. Here, the transformer is to
what is electron
Q. Cold service insulation on pipe? Factory fabricated sectional pipe insulation shall be applied in staggered joint construction. On multiple layer construction, all joints sh
Develop a computer program that can be used for internal flow analysis in SI units. The program should be able to: ? Get the required input data from the user ? Decide the flow ty
Basic Concept: Proper care and maintenance are essential for trouble free operation and optimum performance of the motorcycle. A quality repair ensures that excess wear and tear i
Determine whether the following functions can be used as Airy stress functions, if so what kind of stress states they present a) ? = 20y 3 b) ? = 3y 2 +4x 3 y c
Explain the Application of Electro Chemical Machining? 1. EBM has been used to perforate holes in glass fiber spinning head made from a heat resistant supper alloy. 2. Slott
(a) Show that the force exerted by a jet of water on an inclined fixed plate in the dissection of jet is provided by fx = .a.v 2 . sin2θ. Where a is area of jet, v is velocity of j
what are the significance and scope of operations research
(a) Mention the needs to be satisfied by power transmission system of vehicles. (b) What is an overdrive? Explain its principle of operation and advantages.
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