Engine: General Subjects

1. A be in continuous operation as long as the main pump prime mover is in operation
2. B come on only after the main pump prime mover is secured
3. C be controlled by a thermostat to maintain the oil temperature at less than 190°F (87.8°C)
4. D never be needed, except when the ambient temperature exceeds 90°F (32.2°C)

Tip: press A-D to answer