USCG USCG Steam
Set 6 • Question #403 of 496
Launch Interactive Practice Room A pressure-velocity compounded impulse turbine consists of __________.
A
velocity compounding with reaction pressure compounding
B
several rows of moving blades attached to diaphragms
C
two or more stages of velocity compounding
✓ Correct Answer
D
two or more rows of nozzles in which no pressure drop exists
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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