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A circumferential fin rectangular profile is constructed of Cu and surrounds a tube having a diameter of 1.25 cm. The fin length is 6 mm and its thickness is 0.3 mm. The fin is exposed to a convection environment a 20 0C with h= 55 W/m2.0C base temperature.
Calculate the angular deflection (in degrees) produced in a solid circular shaft of diameter 12.5mm and length 0.5 m when the shear stress is 25MPa and the shear modulus 70GPa. Wha
Sign convention which is used for solving problems of beam: Although different sign conventions can be used, most of the engineers use following sign conventions for shear for
Q. Find the dimension of strongest rectangular beam that can be cut out of log of 25 mm diameter. Sol .: b 2 + d 2 = 25 2 d 2 = 25 2 - b 2 As M/I = σ/y; M =
Reversible and irreversible processes: Thermodynamic system which is capable of restoring the original state of it by reversing the factors responsible for occurrence of proc
Value engineering & Value analysis VA may be defined as looking at an existing product or a product already in production to see if changes in design or process can reduce prod
mostly what aspects trouble mechanical engineers?
How is gas cutting torch different from the gas welding torch .explain
Evaluatio n of the Internal Energy of Steam: It is actual heat energy stored in steam above the freezing point of water. We know enthalpy = internal energy + pressure ener
Basic elements of flashbutt welding A flash butt welding machine is mainly comprised of a Main frame Stationary Platen Moving Platen Clamping mechanism Transf
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
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