USCG USCG Steam
Set 12 • Question #94 of 496
Launch Interactive Practice Room To minimize axial thrust in an impulse turbine, equalizing holes are located __________.
A
between the steam inlet and the front of the dummy piston
B
between the exhaust outlet and the front of the dummy piston
C
in each casing diaphragm
D
in each rotor wheel
✓ Correct Answer
USCG NMC Regulatory Explanation
In an impulse turbine stage (Curtis / Rateau), steam pressure drops exclusively across stationary nozzles, converting pressure into high-velocity kinetic jets that drive the moving blades without pressure drop across the blades.
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