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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
Piston Rings: Piston rings (Figure), fitted into the grooves around the piston, provide a tight sealing effect between the piston and the cylinder wall thus preventing leakage of
state the purpose of kleins construction
Describe motion in two dimension?
If the allowable shear stress for each of the 10-mm-diameter steel pins at A, B, and C is tallow = 90 MPa, and the allowable normal stress for the 13-mm-diameter rod is sallow = 15
Solve the following equation by Gauss elimination Method : 2x + y + z = 10, 3x + 2y + 3z = 18; x +4y +9z = 16 Solve by Gauss-Seidal iteration method: 20x + y - 2z = 17; 3x
applications of engineering statics
Q. 11: What is relation between the maximum tensile stress and the maximum compressive stress in any section of beam? Sol.: L et us assume inverted angle section of the beam a
Oil Gun: This is used to supply fluid oil to chassis lubrication (Figure). Figure : Oil Gun
Explain the Screed unit The main screed is pivoted at the centre point of the machine to assure a constant flatness of work on uneven grounds. It consists of 2440 mm main scree
isentropic derivation
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