Steam Boilers, Engines, Nozzles and Turbines
Which is not correct statement about effect of sulphur in fuel?

It leads to corrosion of air heaters, ducting, etc. if flue gas exit temperature is low
It helps in electrostatic precipitation of ash in flue gases
It has heating value
It erodes furnace walls

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Steam Boilers, Engines, Nozzles and Turbines
The function of a piston rod is

To exhaust steam from the cylinder at proper moment
To guide motion of the piston rod and to prevent it from bending
To transfer motion from the piston to the cross head
To convert heat energy of the steam into mechanical work

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