Weight of steam.—Is there any difference between the weight of water and that of the steam it will evaporate into? [II. 411].
A perfect gas.—What is Marriotte’s law, or Boyle’s law? Is steam a perfect gas? [II. 411].
Joule’s equivalent.—What is meant by the conversion of heat into work? What is Joule’s equivalent? What is the mechanical equivalent of heat? [II. 411].
Indicator.—What is a steam-engine indicator? [II. 413].—How are indicators attached to an engine? [II. 416].
Indicator diagram.—What are the names of the lines of a diagram? Why is a theoretical diagram not correct? [II. 414].—What difference is there between the lines of a diagram of a condensing and those of a non-condensing engine? [II. 415].—How is the expansion curve of a diagram tested? [II. 417].
Barometer.—What is a barometer, and for what purpose is it used in connection with engine diagrams? [II. 415].
Horse-power by diagram.—How do you calculate the horse-power of a steam engine from an indicator diagram? [II. 418].
Diagram vs. diagram.—What difference is there between the diagram taken from one end and that taken from the other? [II. 419].
Consumption of steam by diagram.—How would you calculate the consumption of steam or water of an engine from an indicator diagram? [II. 420].
Steam line.—What would a fall in the steam line of a diagram indicate? [II. 421].