Discussion Forum : Steam Boilers Engines Nozzles And Turbines
Question - The function of a piston in a steam engine is
Options:
A .  To guide motion of the piston rod and to prevent it from bending
B .  To transfer motion from the piston to the cross-head
C .  To convert heat energy of the steam into mechanical work id) to exhaust steam from the cylinder at proper moment
D .  None of these
Answer: Option C

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