Engine Basics Crossword Puzzle

QUESTIONS LIST:

• ignition lag : the period between the entry of the first droplets of fuel into the engine cylinder and the moment of ignition;
• square engine : an engine in which the bore and stroke dimensions are the same or nearly the same.
• stroke : linear travel of a piston or plunger from bdc to tdc.
• thermal efficiency : measure of how efficiently an engine converts the potential heat energy of a fuel into usable mechanical energy; usually
• naturally aspirated : describes any engine in which intake air is induced into the cylinder by the lower-than atmospheric pressure created on the downstroke of the piston and receives no assist from boost devices such as turbochargers.
• otto cycle : the four-stroke, spark-ignited engine cycle patented by nicolas otto in 1876.
• indirect injection : any of a number of methods of injecting fuel to an engine outside the cylinder. this may be to an intake tract in the intake manifold or to a cell adjacent to the cylinder, such as a precombustion chamber.
• inertia : in physics, the tendency of a body at rest or in motion to continue in that state unless influenced by an external force.
• friction : the resistance that an object or fluid encounters in moving over or through another.
• rejected heat : that portion of the potential heat energy of a fuel not converted into useful kinetic energy
• spark ignited : any gasoline-fueled, spark-ignited engine, usually using an otto-cycle principle.
• heat energy : an expression of the energy potential a substance possesses. it is actually the amount of kinetic energy at the molecular level in an element or compound.
• manifold boost : turbo-boost.
• top dead center : outboard extremity of travel of a piston or plunger in a cylinder.
• kinetic energy : the energy of motion
• miller cycle : variation on the otto cycle engine that uses a supercharger and holds open the intake valves for the first part of the compression stroke, providing higher efficiencies.