why are rod journals offset or splayed on some engine designs? a) to ensure even firing intervals. b) to…

why are rod journals offset or splayed on some engine designs? a) to ensure even firing intervals. b) to prevent vibration caused by the pistons. c) to supply oil to the rod bearing journals evenly. d) to strengthen the crankshaft.

why are rod journals offset or splayed on some engine designs? a) to ensure even firing intervals. b) to prevent vibration caused by the pistons. c) to supply oil to the rod bearing journals evenly. d) to strengthen the crankshaft.

Answer

Brief Explanations:

Rod journals are offset or splayed to prevent vibration caused by the pistons. This helps in balancing the forces acting on the engine components during operation. Even firing intervals are more related to the engine's firing order design. Even oil - supply is managed by the oiling system design and not mainly by journal offset. Strengthening the crankshaft is more about its material and overall design rather than journal offset for this specific reason.

Answer:

B) To prevent vibration caused by the pistons.