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Mechanical Engineering
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ENGLISH
Mechanical Engineering
Fuel consumption of diesef engines is not guaranteed at one quarter load because at such low loads________________?
A
the friction is high
Option A
B
the friction is unpredictable
Option B
the small difference in cooling water temperature or in internal friction has a disproportionate effect
Correct answer
D
the engine is rarely operated
Option D
Correct answer: C
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