In case of water cooling, there no boundary layer of the liquid coolan – McqOptions

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1.	In case of water cooling, there no boundary layer of the liquid coolant on the outside of the cylinder wall?
A.	True
B.	False
Answer» C.

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When the spark advance is same as the optimum value the heat rejected to cooling system is increased.
In the case of water cooling, there no boundary layer of the liquid coolant on the outside of the cylinder wall.
In the case of air cooling, the boundary layer as on the gas side offers great resistance, but the effect of this is compensated largely by providing more surface areas by way of cooling pins.
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