Steam Boilers, Engines, Nozzles and Turbines
Pick up the wrong statement about critical condition of steam

Liquid directly becomes steam
Latent heat is zero
Specific volume of steam and liquid is same
This is the maximum pressure limit

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

To provide reciprocating motion to the slide valve
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

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Steam Boilers, Engines, Nozzles and Turbines
In accelerated circulation type boiler

Heating takes place at bottom and the water supplied at bottom gets converted into the mixture of steam bubbles and hot water which rise to drum
Feed pump is employed to supplement natural circulation in water wall type furnace
Water is supplied in drum and through down comers located in atmospheric condition it passes to the water wall and rises to drum in the form of mixture of water and steam
Water is converted into steam in one pass without any recirculation

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