The main function of the dimples provided in the cooling jacket is to – McqOptions

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1.	The main function of the dimples provided in the cooling jacket is to
A.	increase the level of turbulence of the cooling water in the jacket
B.	increase the residence time of the cooling water in the jacket
C.	increase the cooling water-jacket wall boundary layer size
D.	all of the above
Answer» B. increase the residence time of the cooling water in the jacket

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