Valve lap.—What is the lap of a valve? [II. 376].
Admission.—What is the point of admission? [II. 376].
Cushioning.—At what point in the valve travel does cushioning begin? [II. 376].
Release and compression.—What are the points of release and of compression? [II. 376].
Double-ported valve.—What is a double-ported valve? [II. 377].
Valves.—What is a griddle valve? What is a balanced valve? [II. 377].—What is a piston valve? [II. 378].
Slide and piston valves.—Is there any difference between the action of a plain slide valve and a piston valve if both have the same amount of lap, lead, and travel? [II. 378].
Cut-off diagram.—Make a diagram to give the dimensions of a slide valve, to cut off at 3⁄4 stroke, the valve travel being 4 inches. [II. 380].
Reversing an engine.—What is the ordinary means provided for reversing an engine? [II. 383].
Full gear.—What is the meaning of the term full gear, with regard to a link motion? [II. 383].