Question 30Motor Plants - QMED70% to pass
If the raw water supply pressure for a diesel engine cooling system is below normal, you should check for a _______________.
AI Explanation
The correct answer is B) clogged sea strainer.
A clogged sea strainer is the most likely cause of low raw water supply pressure for a diesel engine cooling system. The sea strainer is responsible for removing debris from the incoming raw water supply, which is essential for maintaining proper flow and pressure to the engine cooling system. If the sea strainer becomes clogged, it will restrict the water flow and result in low pressure, leading to potential overheating issues for the engine.
The other options are incorrect because a cracked head (A), broken thermostat (C), or blown head gasket (D) would not directly cause low raw water supply pressure. These issues may impact the cooling system in other ways, but they do not specifically relate to the raw water supply pressure.
Related Questions
#28 Which of the routine maintenance procedures listed is required for starting air receivers? #29 A two-stroke cycle diesel engine requires less starting air than a four-stroke cycle diesel engine, of equal displacement, because the two-stroke cycle diesel engine _______________.#31 In a closed cooling water system, which of the following problems can cause the water pressure to fluctuate? #32 Antifreeze solutions containing ethylene glycol, should not be mixed with corrosion protection oils, as the resultant mixture _______________.#33 If the cooling water temperature and the lube oil temperature in a diesel engine are too high, the cause can be _______________.