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

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

C) To reduce the weight of the charge air cooler

B) To strengthen the structural integrity of the cooler tubes

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

D) A blocked fuel filter

A) Accumulation of dirt and debris on the cooler fins

B) Excessive engine oil consumption

C) A malfunctioning spark plug

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

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

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

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

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

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