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【单选题】
从滴定管读取体积,合理的读数是( )
A.
25mL
B.
25.1mL
C.
25.10mL
D.
25.100mL
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参考答案:
举一反三
【简答题】Look at the following picture. Please describe the working process of the fuel delivery system of an EFI system in English.
【判断题】综合测评成绩=智育分的70%+德育分的20%+体育分的10%
A.
正确
B.
错误
【单选题】正常时胆红素的主要来源是
A.
肌红蛋白的分解代谢
B.
球蛋白的分解代谢
C.
衰老红细胞破坏时血红蛋白的分解代谢
D.
骨髓“无效造血”时血红蛋白的分解代谢
【判断题】综合测评成绩=智育分的50%+德育分的30%+体育分的20%
A.
正确
B.
错误
【单选题】PDI检查项目:皮带涨紧度的检查可以用手简单检查。必要时,使用( )检查。
A.
力矩扳手
B.
钢板尺
C.
挠度尺
D.
检测仪
【简答题】2. Which of the following is not included in the fuel injection system?A. air induction system B. fuel delivery system C. waste gas emission D. electronic control system
【单选题】The direct acting mechanical governor used with some small diesel engines, controls fuel flow to the engine by()
A.
governor flyweight action on a pilot valve which controls fuel injection
B.
governor flyweight motion acting on fuel controls through suitable linkage
C.
positioning a butterfly valve in the fuel delivery system positioning
D.
a servomotor piston attached to the fuel controls
【单选题】PDI检查项目:皮带涨紧度的检查可以用手简单检查。必要时,使用( )检查。
A.
检测仪 B、 C、 D、
B.
诊断仪
C.
力矩扳手
D.
挠度尺
【单选题】PDI检查项目:皮带涨紧度的检查可以用手简单检查。必要时,使用( )检查。
A.
检测仪
B.
诊断仪
C.
力矩扳手
D.
挠度尺
【单选题】Movement of the pump control rack in a fuel injection system using individual plunger-type pumps
A.
changes the position of the fuel inlet ports
B.
changes the length of the pump stroke
C.
varies the quantity of fuel delivered
D.
varies the compression of the delivery valve spring
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