The amount of fuel injected in a particular time， or degree， of crankshaft rotation is termed （）.
举一反三
- Which of the following operation will have a direct impact on the rate of wear in a cylinder liner （） A: amount of scavenge air to the cylinder B: quality of fuel injected C: viscosity of the lube oil D: compression ratio of the pisto
- In a two-stroke engine that uses a camshaft, each valve is opened _____ for every rotation of the crankshaft; in these engines, the camshaft rotates at the same speed as the crankshaft.In a four-stroke engine, the valves are opened only half as often; thus, _____ of the crankshaft occur for each rotation of the camshaft. A: once ... two full rotations B: twice ...two full rotations C: once ... one full rotation D: twice ... one full rotation
- The purposes of the fuel supply system are to supply the right amount of fuel for the engine to burn, and control the speed of the engine．
- A change in the degree of fuel atomization in a diesel engine would most greatly affect （）.
- w________：the amount of work that has to be done by a particular person or organization