Q. What is the boss of a crank? Web?
Q. How may noiseless running of a crank be secured?
Q.
What are journals? Pedestals? Pillow blocks? Journal boxes?
Q. What is the object in having a fly wheel?
Q. What different kinds of lubricators are there? Where may hard oil or grease be used? Is the oil used for lubricating the cylinder the same as that used for rest of the
engine?
Q. How does a cylinder lubricator work?
Q. What is differential gear, and what is it for?
Q. What is the use of a fusible plug, and how is it arranged?