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A steel dia 10 mm passes through a brass tube of internal dia 15mm and external dia is 25 mm. The bolt is tightened by a nut. The length of tube is reduced by 1.5mm and the length of tube is 1500mm. if temp. of assembly is raised by 40o . Find the axial stress in bolt and tube before and after heating. Provided that :
Es = 2 x 105 N/mm2
Eb = 1 x 105 N/mm2
s = 1.2 x 10-5 N/oC
b = 1.9 x 10-5 N/oC
(b) A prismatic bar of cross-sectional area A is subjected to axial force ‘P' at C. Determine the reactions at supported and deflection at C.
Internal combustion models of engine: The engines which develop power by combustion of fuel within the engine are called internal combustion engines. The examples of internal
Derive the mathematical Heat Conduction equation through a composite wall. Determine Thermal contact Resistance ?
impartance of moulding sand
Q. Material Selection for Insulation? Material for 15ºC to 650ºC temp range is Calcium Silicate, Manville Thermo-12 or approved equivalent. Material for -18ºC to 230ºC temp.
In a steam jet refrigeration system, the ejector extracts 3.3 m3/s of saturated water vapor at a temperature of 7.2 °C from the flash chamber. The return water from the cooling coi
A vibrating system having mass 1.2 Kg is suspended by a spring of stiffness 1000 N/m and it is put to harmonic excitation of 10 N. Assuming viscous damping, Calculate : (a) R
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the velocity of a particle moving along x axis is defined by v=kx^3-4x^2+6x where v is in m/s,x in m and k is a constant .if k=2 compute the acceleration when x=2m
Fuse : Fuse wire is made of soft metal and housed in a glass tube. It is connected in circuit. It protects the electrical accessories, which may be damaged by the overflow o
What is the difference between a mechanical component and a mechanical part?
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