Scavenging period is the time period taken for crank angle? – McqOptions

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1.	Scavenging period is the time period taken for crank angle?
A.	True
B.	False
Answer» C.

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Scavenging period is the time period taken for crank angle?
Scavenging angle is the crank angle during which both inlet and exhaust port are open.
Inadequate scavenging leads to contamination of lubricating oil to a greater extent which reduces the lubricating qualities and eventually results in increased wear of piston and cylinder liners.
Inadequate scavenging leads to low amount of oxygen availability which results in incomplete combustion leading to higher specific fuel combustion.
Inadequate scavenging leads to high mean indicated pressure which results in high weight and high cost per kW for the engine.
The efficiency of a two stroke engine does not depends on the effectiveness of the scavenging process.
Scavenging process is the replacement of combustion products in the cylinder from previous power stroke with fresh air charge to be burned in the next cycle.
The process of clearing the cylinder after the expansion stroke is called scavenging process.