USCG USCG Steam
Set 13 • Question #150 of 496
Launch Interactive Practice Room A nozzle in an impulse turbine functions to __________.
A
reverse steam flow direction
B
guide the steam through the fixed blades
C
convert the steam's thermal energy to kinetic energy
✓ Correct Answer
D
convert the steam's kinetic energy to thermal energy
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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