Answer:
a) The maximum possible heat removal rate = 2.20w
b) Fin length = 37.4 mm
c) Fin effectiveness = 89.6
d) Percentage increase = 435%
Explanation:
See the attached file for the explanation.
 
        
             
        
        
        
Answer:
don't put fork in a electric socket
 
        
                    
             
        
        
        
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Answer:
Some of the internal strain energy is relieved. 
There is some reduction in the number of dislocations. 
The electrical conductivity is recovered to its precold-worked state.
The thermal conductivity is recovered to its precold-worked state
Explanation:
The process of the recovery of a cold-worked material happens at a very low temperature, this process involves the movement and annihilation of points where there are defects, also there is the annihilation and change in position of dislocation points which leads to forming of the subgrains and the subgrains boundaries such as tilt, twist low angle boundaries. 
 
        
             
        
        
        
extension lines,sketches,leader lines,dimensions describes all illustrations created by freehand.