The easiest way to get started
Quiz yourself by typing answers
Hear the words and type them in
Multiple choice, true/false, matching
Match terms as fast as you can
Defend Earth from alien invaders
overhead valve- camshaft installed in engine block, valves are operated through lifters, pushrods, and rocker arms. outdated, bad timing at high rpm, simple, durable. difficult more than 2 valves.
OHC or COHC
overhead cam- camshaft installed in the cylinder head, valves operated directly through lifters. valves operated almost directly by camshaft, requires timing bolt or chain, easy perfect timing at high rpm. possible 3-4 valves
DOHC or Twin Cam
double overhead cam- mostly in new cars (w/ 2cams). more complex/expensive. produce more power w/ smaller engine volume. adopt variable timing.
a rotating shaft within the engine that opens and closes the intake and exhaust valve in the engine
Turns the piston's up and down motion into circular motion
an old term for an electric generator that produces alternating current (especially in automobiles)
Please allow access to your computer’s microphone to use Voice Recording.
We can’t access your microphone!
Click the icon above to update your browser permissions above and try again
Reload the page to try again!
Press Cmd-0 to reset your zoom
Press Ctrl-0 to reset your zoom
It looks like your browser might be zoomed in or out. Your browser needs to be zoomed to a normal size to record audio.
Your microphone is muted
For help fixing this issue, see