Unscramble Words EnginesOnline version This tests your knowledge about vehicle engines by Robert Chircop 1 Crankshaft/Camshaft speeds The at camshaft speed half engine turns the 2 Overlap open at same both valves time occurs when the Overlap are 3 TDC and BDC top center dead stands TDC for 4 Engine component This is a poppet valve 5 Engines parts engine called are The diagram in the collets parts 6 Engine 4-stroke cycle COMPRESSION , EXHAUST , INDUCTION , POWER , , , 7 During the Induction stroke the; moves the piston down cylinder 8 AAT stands for Ambient Temperature Air 9 ABS stands for; Brake Antilock System 10 ECU stands for Control Electronic Unit