Steam Boilers, Engines, Nozzles and Turbines
For water, at pressures below atmospheric;

Melting point rises markedly and boiling point drops markedly
Melting point rises slightly and boiling point drops markedly
Melting point drops slightly and boiling point drops slightly
Melting point drops slightly and boiling point drops markedly

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Steam Boilers, Engines, Nozzles and Turbines
The effect of friction on the flow of steam through a nozzle is to

Increase the mass flow rate and to increase the exit temperature
Increase the exit temperature without any effect on mass flow rate
Decrease the mass flow rate and to decrease the wetness of steam
Decrease the mass flow rate and to increase the wetness of steam

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