Subtopic: Power efficiencies and measurement, engine performance curves
Question Statement:
According to OECD / BIS standard test codes for agricultural tractors, the high ambient temperature cooling test evaluates the maximum ambient temperature at which the cooling system can operate before coolant boils. This temperature is commonly termed:
Options:
(A) Limiting Ambient Temperature (LAT)
(B) Critical Flash Temperature
(C) Thermal Degradation Limit
(D) Saturation Boiling Threshold
Answer Key:
A
Step-by-Step Solution & Explanation
The Limiting Ambient Temperature (LAT) is the highest calculated ambient air temperature at which the engine can run at rated maximum load without the cooling coolant exceeding the manufacturer's maximum specified boiling/blow-off limit.