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单选题
The abbreviation TDC means （）.
A
top dead center
B
temperature difference center
C
time delay dock
D
top diesel company
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单选题A connecting rod in a four-stroke/cycle diesel engine is subject to（）A
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单选题Fuel oil injected into the cylinder of a diesel engine just after the piston passes top dead center, will（）A
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单选题A piston is said to be at top dead center when it is （）A
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单选题The clearance volume for a single stage compressor is defined as the space created between the （）.A
top of the piston and bottom side of head, with the piston at BDCB
piston and head, including the space around the piston to the top of the upper ring and under the valves, with the piston at TDCC
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单选题A disadvantage of a four-stroke/cycle diesel engine is （）A
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单选题When bilge water is heated in a holding tank, which one of the following statements is not accurate?（）A
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单选题The abbreviation BDC means （）.A
Boston Diesel CompanyB
base circle diameterC
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单选题The abbreviation TDC means （）.A
top dead centerB
temperature difference centerC
time delay dockD
top diesel company
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单选题The pressure in an operating diesel engine cylinder continues to rise for a short period after the piston passes top dead center as a result of the （）A
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单选题Because the top of the connecting rod swings about the pin and changes direction each time the piston reaches mid-stroke, the relative speed between bearing and pin at mid-stroke is zero, （）to a maximum as the piston approaches top or bottom dead center and then （） back to zero again as the piston approaches mid-stroke and the connecting rod changes direction.A
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Run it at minimum speed for a period of timeB
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