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In an orthogonal cutting process, following data were taken. Chip length of 80mm was obtained with an uncut chip length of 200mm and the rake angle used was20 degrees and depth of cut 0.5mm. The vertical and horizontal components of cutting force FH and FV were 2000N and 200N respectively. Evaluate the shear plane angle, chip thickness, friction angle resultant cutting force.
Q. Why we need additives explain? Additives are the materials added in small quantities to the moulding sand in order to enhance its exiting properties and to impart to it spec
A 3-phase, 15-kV, 4-pole, cylindrical rotor synchronous generator is connected to a 50-Hz infinite bus. The synchronous reactance of the machine is X s = 0.6 ohms per phase and th
Evaluate the normal and tangential stresses: Q. 20: At the point in stressed body, the principal stresses are σ x = 80 kN/m 2 and σ y = 40 kN/m 2 . Determine the norma
Low Hydrogen Electrodes Low hydrogen electrodes are so called because their covering is low in hydrogen bearing compounds and only traces of hydrogen or moisture are present in t
A 6 cm diameter rubber ball weighing 5 g is used to plug a 4 cm hole in the base of a tank. The tank is in use and is gradually emptying. At approximately what depth will the ball
The major purpose of a wrap-a-round is to make a straight line around a pipe to aid in cutting the pipe to its proper length. It is used mainly as a template or a straight edge.
a) Consider a brake of your choice and Illustrate self locking and self energizing condition & its significance in brakes design. b) Discuss thermal condition in brake design.
(a) An engine uses 6.5 Kg of oil per hr of a calorific value 30,000 kJ / kg. If the B. P. of the engine is 22KW and mechanical efficiency 85%. Calculate (i) Brake thermal eff
An electric heating element is rated at 4.0kW when connected to a single phase 240Vrms, 50 Hz AC supply, and is known to have a power factor of 0.833 lagging. 1. Calculate the c
A V-block clamp consists of 3 components, a V-block, yoke and clamping screw. Using a rule, measure the sketches below and produce a 3rd angle projection drawing for each componen
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