While travelling in the tropics, the condensate draining from charge air receiver drain is flowing even though you have raised the inlet temperature to the allowable limit. What effect does excessive moisture have on the engine?
⢠Behavior of moist air in a turbocharged dieselâs charge air receiver ⢠Longâterm effects of water/condensate on metal surfaces exposed to hot combustion gases ⢠Difference between shortâterm performance effects and longâterm damage/corrosion
⢠If water continues to drain from the charge air receiver, what does that tell you about the humidity of the intake air and how much moisture may reach the cylinders? ⢠Think about what happens when hot metal engine parts repeatedly see water droplets or saturated airâdoes this usually enhance performance, clean, or damage them over time? ⢠Which option describes a harmful, cumulative effect that a prudent engineer would be most concerned about in an engine operating in very humid tropical conditions?
⢠Identify which choices suggest beneficial effects versus harmful effects on the engine. ⢠Ask yourself whether water in the air path is likely to improve combustion or wash protective films and attack metal surfaces. ⢠Focus on the components mentioned: combustion chamber, exhaust path, exhaust trunkâwhat kind of damage is moisture most likely to cause there over time?
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