MDE 4 Q8

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Question: Why are fins attached to the tubes of a charge air cooler?

D) To provide a mounting point for additional components

B) To strengthen the structural integrity of the cooler tubes

C) To reduce the weight of the charge air cooler

A) To increase the surface area for heat dissipation and enhance the cooling efficiency of the air

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Question: Why should the air outlet from the turbocharger be cooled before entering the diesel engine cylinder?

B) To lower the temperature of the air, increasing its density and improving combustion efficiency

C) To increase the temperature of the air for better fuel atomization

D) To remove excess moisture from the air to prevent corrosion

A) To reduce the pressure of the air to avoid engine damage

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Question: What are possible reasons why the performance of a charge air cooler may be reduced?

B) Excessive engine oil consumption

C) A malfunctioning spark plug

D) A blocked fuel filter

A) Accumulation of dirt and debris on the cooler fins

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