Which are the parts that get damaged when dirt enters the crankcase?(a) Heavy-duty type air cleaner(b) Light duty type air cleaner(c) Thermostatic control of air cleaner(d) Heavy-duty type air cleaner and Light duty type air cleanerThis question was posed to me during a job interview.This intriguing question comes from Petrol Engine Fuel Supply System in section Petrol Engine Fuel Supply System of Automotive Engine Design

Which are the parts that get damaged when dirt enters the crankcase?(a

1.	Which are the parts that get damaged when dirt enters the crankcase?(a) Heavy-duty type air cleaner(b) Light duty type air cleaner(c) Thermostatic control of air cleaner(d) Heavy-duty type air cleaner and Light duty type air cleanerThis question was posed to me during a job interview.This intriguing question comes from Petrol Engine Fuel Supply System in section Petrol Engine Fuel Supply System of Automotive Engine Design
Answer» CORRECT choice is (d) Heavy-DUTY type air cleaner and Light duty type air cleaner The best I can explain: If the dirty air enters the CRANKCASE, it will contaminate the lubricating oil and ultimately damage the bearings and JOURNALS and decrease the SERVICE period of the lubrication system.

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