What is a spill pipe?()
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A safety outlet is provided on the CO2 discharge piping to prevent().
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A single fitting installed in a pipeline that either blanks off the pipe or allows a full flow passage of a liquid through the pipe is referred to as a().
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A hot air start pipe indicates that there is ().
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As oil pipe line connections were broken,()quantity of oil was caused to spill onto the wharf and into the dock water.
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A butterfly valve consists basically of a disc pivoted across the bore of a ring body having the same radial dimensions as the pipe in which it is fitted.According to the above sentence, which of the following statements is not true?()
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What will NOT increase friction of a liquid flowing in a pipe and cause a loss of suction head?().
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()is not a process of weathering of the oil spilled in the sea water.
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()is a caing used for exhaust pipe from the engines.
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A large valve,usually installed above the ram preventers,that forms a seal in the annular space between the pipe and wellbore or,if no pipe is present,on the wellbore itself is called the().
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A heavy,thick-walled tube,usually steel,used between the drill pipe and the bit in the drill stem to weight the bit in order to improve its performance is called a().
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The system of valves and cargo lines in the bottom piping network of a tank vessel that connects one section of cargo tanks to another section is called a().
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In the piping systems of a vessel,what type of valve gives the least resistance to fluid flow when fully open?().
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A tool consisting of a handle and releasable chain used for turning pipe or fittings of a diameter larger than that which a pipe wrench would fit is called().
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A vessel emitting harmful substances into the air or spilling oil into the sea is a().
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The piping that routes an oil cargo from the manifold to underdeck pipelines is known as a ().
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The system of valves and cargo lines in the bottom piping network of a tanker that connects one section of cargo tanks to another section is called a().
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What is cause and what is effect?A cause is what ______ something happen; an effect is what happens as result of a ______.
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根据回答,请选择问句。A. What is a freeway?B. What is a free way?--- There is no charge
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121.A vessel emitting harmful substances into the air or spilling oil into the sea is a( )。
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Designing a city by differentiating what is public and what is private is a key part of which architectural design?
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He has the occasional cigarette, but ______ he smokes a pipe that is more harmful to his health.
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One day I can hear the faint rustle of autumn coming. The next day I can’t. One evening summer leaks away into the cool night sky, but the next morning it’s back again. But there is headway. Birdsong has gone, and is【46】______ (replace) by a whining bag-piping of insect creation. I look out across the pasture as dusk【47】______(begin) and see a shining galaxy of airborne bugs. What would it be like, I wonder, to have an【48】aware______of the actual number of insects on this farm?
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A hotelworker is responsible for many different areas of a hotel and is called upon to fix problems as they arise(like a leaking pipe)()