Subtopic: I.C. engine systems – fuel, cooling, lubrication, ignition, electrical, intake and exhaust
Question Statement:
The centrifugal governor of a tractor diesel engine is primarily provided to:
Options:
(A) Vary the injection timing with load changes
(B) Automatically regulate fuel supply to maintain nearly constant engine speed under varying load conditions
(C) Shut down the engine when oil pressure drops below safe level
(D) Prevent the cooling water from boiling
Answer Key:
B
Step-by-Step Solution & Explanation
The governor controls fuel delivery by adjusting the fuel injection pump control rack to maintain engine speed within a narrow operating range when agricultural field load fluctuates.