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判断题 In the first stroke, both intake and exhaust valves are opened
学科：汽车专业英语
时间：2024-03-06 07:01:50
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题目1判断题
Generally, one working cycle contains four strokesA. 正确B. 错误
题目2判断题
In the first stroke, both intake and exhaust valves are openedA. 正确B. 错误
题目3判断题
In the exhaust stroke, the piston moves downwards to push the burned gases out of the cylinderA. 正确B. 错误
题目4判断题
A spark plug is used to ignite the fuel-air mixture in the gasoline engineA. 正确B. 错误
题目5判断题
A cylinder head is a casting only made from ironA. 正确B. 错误
题目6判断题
In general, the valves are held in the cylinder head instead of the cylinder blockA. 正确B. 错误
题目7判断题
In the first stroke, the exhaust valves are opened, letting the fuel-air mixture into the combustion chamberA. 正确B. 错误
题目8判断题
The camshaft is used to open and close the valves with the motion of the pistonsA. 正确B. 错误
题目9判断题
DOHC means that there are two camshafts in the cylinder blockA. 正确B. 错误
题目10判断题
Cylinder block or engine block is actually a complex machined casting unitA. 正确B. 错误
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