Engine: Steam Plants

1. A The gears are capable of free motion, neither supporting nor being supported radially by other gears.
2. B The gears cut with a single helical profile have axial thrust eliminated.
3. C The gears are not subject to excessive tooth loads due to mismatching of the journal bearing halves.
4. D A pinion is capable of free axial motion, mating with a fixed double helical gear which establishes its position in the gear train.

Tip: press A-D to answer