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 erodes furnace walls
It helps in electrostatic precipitation of ash in flue gases
It has heating value

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Steam Boilers, Engines, Nozzles and Turbines
The function of a piston in a steam engine is

To convert heat energy of the steam into mechanical work id) to exhaust steam from the cylinder at proper moment
To guide motion of the piston rod and to prevent it from bending
None of these
To transfer motion from the piston to the cross-head

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Steam Boilers, Engines, Nozzles and Turbines
The function of an eccentric rod is

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

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