Course of steam.—Describe the course of the steam from the boiler to the hot well. [II. 445].
Exposure to cold.—What parts of an engine are exposed to danger in a cold climate? [II. 446].
Preventing freezing.—What precautions are necessary to prevent the engine from freezing in cold climates? [II. 446].
Failure to start.—Name all the reasons that may cause a marine engine to fail to start when it is expected to do so. [II. 446].
Pressure pieces.—Name all the pieces of an engine through which the steam pressure is received and transmitted. [II. 446].
Horse-power.—What is the unit or measure of horse-power? What is the meaning of nominal horse-power? [II. 446].
Lost vacuum.—Name all the causes from which the vacuum may become defective or lost. [II. 447].
Hot journals.—What are the principal causes of the heating of engine journals? [II. 447].
Stays.—What is a boiler stay? What is a gusset stay? What is a tube stay or a stay tube? [II. 452].
Stress per square inch.—How much stress is usually allowed per sectional square inch of boiler stay? [II. 452].