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One question per day; no prize for correct answers, it’s just for entertainment

2019-12-30View Original

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58. The noise occurring inside the compressor bearings is mainly due to the fit between the bearings and the shaft journals (). A. The gap is too small. B. The gap is too large. C. The gap is appropriate. The answer to the question from yesterday was A. 57. When assembling the transition casing of the E232 type flue gas turbine, a layer of heat-resistant sealant with a temperature resistance of ( ) should be applied evenly to all sealing surfaces. A、800℃ B、500℃ C、400℃?

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