What is a device in the steam turbine entry piping that converts pressure to velocity and directs the flow of steam to the steam turbine blades?
A) Shaft
B) Casing
C) Nozzle
D) Governor
Answer: C
Explanation: A) Incorrect. The shaft is a metal rod that is attached to the rotor assembly and is suspended on each side by bearings.
B) Incorrect. Casing is the housing around the internal components of a turbine.
C) Correct. The nozzle is a device in the turbine entry piping that converts pressure to velocity and directs the flow of steam to the turbine blades.
D) Incorrect. The governor is used to control the speed of the turbine as steam is channeled through the nozzle.
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