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

To provide simple harmonic motion to the D-slide valve
To convert rotary motion of the crankshaft into to and fro motion of the valve rod
To convert reciprocating motion of the piston into rotary motion of the crank
To provide reciprocating motion to the slide valve

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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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