搜题

【单选题】

A connecting rod in a four-stroke/cycle diesel engine is subject to（）

A、tension load twice each crankshaft revolution

B、compression load during power and compression strokes

C、inertia load once every four crankshaft revolutions

D、bending loads at bottom and top dead center

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更多“A connecting rod in a four-stroke/cycle diesel engine is subject to（）”相关的问题

第1题

[单选题] The connecting rod large end bearing shell generally has tags for location and oil grooves round the center of its axial length which correspond with grooves in the （） through which oil is transmitted up the rod to lubricate the small end.

A、connecting rod B、piston rod C、bearing housing D、none of the above

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第2题

[单选题] The lower end of each piston rod is reduced in diameter to fit a bore in （）, this being secured to the piston rod by a nut.

A、the crank-web B、the connecting rod C、the main bearing D、the cross-head

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第3题

[单选题] The purpose of the skirt or trunk in four-stroke cycle engines is to act in a similar manner to a （）.

A、crosshead B、crown C、piston rod D、connecting rod

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第4题

[单选题] The design of the connecting rod large end bearing is similar to that of the mainbearings Whats the meaning of "that" in the sentence above?（）

A、the connecting rod B、large end bearing C、the main bearing D、the design

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第5题

[] （） is fully floating in both connecting rod small end and the piston skirt.

A、A.The piston rod B、B.The cross head pin C、C.The gudgeon pin D、D.The crank-pin

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第6题

[单选题] In an engine with a pot-shaped piston, some lubricating oil from the main bearing will pass along a （） in the crankshaft to the bottom end bearing andthen up a connection rod to the gudgeon pin.

A、telescopic pipes B、large bore C、drilled passage D、tied rod

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第7题

[单选题] Which of the following operating conditions can occur when shims are removed from the joint between the foot of a marine type diesel engine connecting rod and the bearing box?（）

A、Decreased connecting rod bearing clearance B、Increased connecting rod bearing clearance C、Decreased compression ratio D、Increased compression ratio

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第8题

[单选题] Connecting rods in a diesel engine are used to connect the （）.

A、engine to the bed B、rocker arm to the camshaft C、crankshaft to the gear train D、piston to the crankshaft

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第9题

[单选题] The main moving parts of a diesel engine consist of the （） and the pistons.

A、bedplate, connecting rods B、crankshaft, the connecting rods C、frames, crossheads D、crankshaft, the cylinder

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第10题

[单选题] Abnormal crankpin bearing and piston skirt surface wear indicate（）

A、a restricted air intake B、a clogged connecting rod oil passage C、incorrect connecting rod alignment D、high cylinder firing temperatures

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