Substantiv
A casting that does not completely fill the mold, leaving unfilled spaces.
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The reasons for cold shut or misrun may be too thin sections, improper gating system, slow and intermittent pouring, poor fluidity of metal.
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When wall thickness is decreased to less than 1/16 in., adequate mold filling becomes almost impossible, except for extremely short distances, and misruns result because of the freezing of metal before the mold is filled.
A misrun is caused when the metal is unable to fill the mould cavity completely and thus leaves unfilled cavities.
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If the molten metal is too cold or casting is too thin, entire mould may not be filled during pouring before the metal starts solidifying and result in misrun.
A failed test of oil or gas drilling equipment.
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The experience of most drillstem testing companies indicates that the chance of a misrun in a poorly prepared hole is approximately 30 percent, whereas the chance of a misrun in a well-prepared hole has been cut down to roughly 15 percent.
In this test, the pressure curve shows clearly that a seal was not affected; therefore, this is a misrun.
Follow Schlumberger procedures for recovering guns in the event of a misrun.
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When the DST tool is set, if fluid does not stay at the surface on the outside of the hole or the drill pipe, then you have a misrun.
Verb
To run incompetently; mismanage.
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The men who are misrunning the Peace show are the same political muddlers who misran the war show.
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Certainly the main aim of many liberals and reformers in the Soviet Union's provinces in the Gorbachev era was to outwit the central institutions of power: the Kremlin, the armed forces, the bureaucrats who ran (or misran) the planned economy, and most of all the cold grey men of the KGB.
Perhaps I had simply had enough...of NTFC being misrun by yet another businessman who did not seem to care, of constant worries about whether the club had a future.
To result in a misrun.
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One set of bars misran, while others showed a coarsely crystalline structure, which is more often due to too hot pouring than to any other .
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Those having light work on their floors would have several pieces misrun, but the losses from this cause in many instances would not, in the aggregate, amount to 4 per cent of the total value of the work poured in any one heat, consequently they would not be paid for the work so lost.
According to the speaker, early castings made of the thorium containing alloys misran on sections that normally should fill easily.
To run badly or off-course.
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In the frustrate strife Of the vanquisht life, On the course misrun To the goal unwon By the faith, self-cheated Of the deed defeated, To claim our home.
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The torpedo left correctly, but the track was not observed from the Princess Royal, and it possibly misran badly and was the torpedo seen to cross the Inflexible's bows at 2035.
Two of them misran while five hit, sinking three ships and damaging one beyond repair, totalling 14,500 tons – a very respectable performance.
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Slap that MERKLES HAPPEN bumper sticker on your shiny new Model T and praise the Lord some dumb nineteen-year-old rookie misran the bases.