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