Q236
The crankcase dilution means
A.
Dilution of fuel in the crankcase
B.
Dilution of oil by water in the crankcase
C.
Dilution of lubrication oil by fuel in the crankcase
AnswerD.
Dilution of mixture passing through crankcase in two stroke engines
Answer: Option C
Solution
Answer: Option C
Solution:
Crankcase dilution is a phenomenon of internal combustion engines in which unburned diesel or gasoline accumulates in the crankcase.Excessively rich fuel mixture or incomplete combustion allows a certain amount of fuel to pass down between the pistons and cylinder walls and dilute the engine oil.