USCG USCG Steam
Set 7 • Question #426 of 496
Launch Interactive Practice Room In modern reaction turbines, thin tipping is a procedure designed to __________.
A
allow for axial expansion
B
increase blade strength and rigidity
C
reduce tip leakage
✓ Correct Answer
D
maintain radial clearances
USCG NMC Regulatory Explanation
In a reaction turbine stage (Parsons), steam expands and drops in pressure across both stationary guide vanes and moving rotor blades, producing force through impulse and reactive acceleration.
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