Fuel consumption of diesel engines is not guaranteed at one quarter load because at such low loads ____________
A. the friction is high
B. the friction is unpredictable
C. the small difference in cooling water temperature or in internal friction has a disproportionate effect
D. the engine is rarely operated
Answer:C
Fuel consumption of diesel engines is not guaranteed at one quarter load because at such low loads ____________
A. the friction is high B. the friction is unpredictable C. the small difference in cooling water temperature or in internal friction has a disproportionate effect D. the engine is rarely operated