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

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

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Steam Boilers, Engines, Nozzles and Turbines
The difference between Cornish boiler and Lancashire boiler is that

Former is water tube type and latter is fire tube type
Former is fire tube type and latter is water tube type boiler
None of the listed here
Former contains one fire tube and latter contains two fire tubes

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Steam Boilers, Engines, Nozzles and Turbines
Which of the following statement is correct for a compound steam engine?

The temperature range per cylinder is increased, with corresponding increase in condensation
The forces in the working parts are increased as the forces are distributed over more parts
The ratio of expansion is reduced, thus reducing the length of stroke
The cost of the engine, for the same power and economy, is more than that of a simple steam engine

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