The cast iron guide-ways for （） are attached to the top section and seal off the crankcase.

A、the connecting rod

B、the cross-head

C、the piston rod

D、the air box

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更多“The cast iron guide-ways for （） are attached to the top section and seal off the crankcase.”相关的问题

第1题

[] "Cast iron has poor corrosion resistance to sea water, especially in the presence of bronzes" Implies（）.

A、A.east iron is a cheap material B、B.cast iron can pollute sea water C、C.cast iron has mere corrosive than bronzes to sea water D、D.cast iron is more corrosive to sea water when it meets with bronzes

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第2题

[单选题] Cold clearances between the skirt of an aluminum piston and the cylinder liner is about （）

A、twice as large as with a cast iron piston B、the same size as with a cast iron piston C、half as large as with a cast iron piston D、the same size as the crown of an aluminum piston

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第3题

[单选题] The cast iron（）for the cross-head are attached to the top section and seal off the crankcase.

A、cylinder cover B、cross-head shoes C、guide-ways D、scavenging boxes

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第4题

[单选题] Cast irons weakness in tension and under shock loading limits its use to low pressure steam, air, oil and low speed water fittingsThe above sentence, most probably means （）.

A、cast iron has weakness B、cast iron can stand up shock loading C、cast iron fittings are only suitable in low pressure situation D、east iron fittings are not suitable in low pressure situation

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第5题

[单选题] Cast iron and gunmetal fittings are used freely in small sizes at moderate pressure; large fittings, those for high pressure and temperature are cast or mild steelIn the above sentence, the word “those” means （）.

A、east iron firings B、mild steel fittings C、small fittings D、large fittings

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第6题

[单选题] （） of the A-frames there is a strong cast iron frame called the scavenging air box.

A、At the top B、At the bottom C、In the top D、In the bottom

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第7题

[单选题] Aluminum pistons have （） coefficient of thermal expansion compared with those of cast iron.

A、higher B、lower C、the same D、none of the above