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DIFFUSION BONDING
In this process, union between specially prepared mating surfaces takes place as a result of diffusion, which occurs due to high temperature & pressure, exerted for a long time. The pressure is low enough to ensure that there is no plastic flow or deformation. The extended time of several minutes at elevated temperatures (which will cause oxidation) requires that the joint be made in protective atmosphere or vacuum. Sometimes thin inserts are placed between the mating surfaces to speed up diffusion and ensure strong welds.
(a) Explain various types of methods of refrigeration. (b) Write the factors consideration for the selection of refrigerant for a system. A 5 tonne refrigerating machine oper
Complete outer clutch lugs for deep cuts: Visually check for any deep cuts formed on the outer complete clutch lugs.
Bolter: ( k E 2 - kE 1) = 0, ( pE 2 - pE 1) = 0, w 1-2 = 0 Now, q 1-2 = w 1-2 ( h 2 - h 1 ) + ( kE 2 - kE 1 ) + ( pE 2 - pE 1 ) q 1-2 =
what is strength of material?
ARC BLOW In certain cases depending upon where the return path connections are given for the arc current, the arc may be deflected towards a direction of weaker electro magnet
Dismantle crank case and explode main shaft , counter shaft, gear shifter drum and kick spindle assembly and check sequence of parts fitment while dismantling: Check all gear teeth
A carnot engines performs between two reservoirs whose difference in temperature is 200 o C. If the work output of the engine is 0.5 times the heat rejected, make evaluation for th
Ask DIFFERENTIAL AMPLFIER USED WITH THERMOCOUPLEquestion #Minimum 100 words accepted#
difference between pipe and tube
what is helix angle and how to determine it?
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