In an engine with air inlet valve and exhaust valve on its cylinder heads the fresh air will enter into the cylinder （） and the gases exhaust （）， there being an adequate overlap between the inlet opening and the exhaust closing.
举一反三
- A two stroke diesel engine exhaust temperature will be lower than a four stroke diesel engine of the same displacement because the _____. ① MEP is lower and the scavenging air is cooling the exhaust gases ② valve overlap in a four stroke A.① B.② C.① and ② D.Neither ① nor ② is correct
- 词汇与结构All exhaust air is _____to atmosphere via a valve, usually at the rear of the fuselage.
- The compressed air is admitted to each cylinder through a cam operated by starting air valve when the piston has just passed its （）.
- In an operating diesel engine, which of the following conditions is an indication of a leaking air starting valve? A.Noise coming from that air starting valve B.Continuous operation of the starting air compressor C.Zero air pressure in the air starting system D.Overheated starting air pipe to the cylinder head
- Diesel engine air start system check valves are opened by （） A: an air start cam B: cylinder compression pressure C: starting air pressure D: valve spring