中級(jí)熱力司爐工問(wèn)答題每日一練(2019.04.23)
來(lái)源:考試資料網(wǎng)1.問(wèn)答題鍋爐排污的作用是什么?
2.問(wèn)答題
測(cè)得離心泵的進(jìn)口絕對(duì)壓力p絕=90X133.3Pa,當(dāng)?shù)卮髿鈮篜b=750X133.3Pa,問(wèn)水泵進(jìn)口處的真空度為多少?
5.問(wèn)答題制粉系統(tǒng)可以分為哪幾類?
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測(cè)得離心泵的進(jìn)口絕對(duì)壓力p絕=90X133.3Pa,當(dāng)?shù)卮髿鈮篜b=750X133.3Pa,問(wèn)水泵進(jìn)口處的真空度為多少?