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______ hole is made from big end to small end in the sank for lubrication.

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in Automotive Engine Design by (137k points)
______ hole is made from big end to small end in the sank for lubrication.

(a) rifle

(b) punch

(c) gudgeon pin

(d) none of the above

I had been asked this question in an internship interview.

I want to ask this question from Systems of Engine Lubrication in portion Lubrication and Lubricants of Automotive Engine Design

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Best answer
The correct answer is (a) rifle

The explanation is: A rifle hole is drilled from the small end to the big end of the connecting rod through which the lubricating oil flows. This oil present in the small end gains heat from the piston and reaches the big end of the connecting rod and mixes with the oil present in the oil sump.

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