Choke: A butterfly valve fitted at the top of the air horn of a carburettor to provide rich mixture during starting of engine. Related posts: AE8005 Aero Engine Maintenance and Repair Syllabus AT8601 Automotive Engine Components Design Syllabus OAT552 Internal Combustion Engines Syllabus Combustion chamber AE8402 Aircraft Systems and Instruments Syllabus Breathing Coolant Butterfly Valve Fibre glass Antechamber Detonation AT8702 Vehicle Maintenance Syllabus AT8091 Manufacturing of Automotive Components Syllabus Carburettor AT8301 Spark Ignition Engines Syllabus Cylinder head Brake valve Backfire AT8502 Automotive Electrical and Electronics Systems Syllabus Camshaft position sensor (CMP) Read more articles Previous PostCheck engine light Next PostCircuit breaker