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