Test on Internal Combustion Engine Components and Terminology

What is the term 'top dead center' (TDC) referring to in an engine?

How is the compression ratio of an engine calculated?

Why do diesel engines generally have higher compression ratios compared to gasoline engines?

What role do valves play in the operation of a four-stroke diesel engine?

What does the term 'cylinder bore' refer to in an engine?

What is the function of piston rings in an internal combustion engine?

What is the purpose of lubrication oil between the piston rings and the cylinder liner?

What component connects the piston to the crankshaft?

Why does the crankshaft have a 'weird' or 'squiggly' shape in an internal combustion engine?

What is the difference in rotation speeds between the camshaft and the crankshaft in a four-stroke engine?