题目内容

混凝土灌注桩灌注充盈系数不得:()

A. 小于1
B. 大于1
C. 小于0.9
D. 大于0.9

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Abeneficiarypresentscomplyingdocumentstoaconfirmingbankunderadocumentarycreditavailablebydeferredpayment.Thebeneficiaryrequeststhattheconfirmingbankpurchasethedocumentsandprepayagainstitsundertaking.InaccordancewithUCP600,whichofthefollowingmaybethecorrectcourse(s)ofactionfortheconfirmingbank?()

A. Obtaintheissuingbank’sagreementpriortopayingthebeneficiary
B. Refusethebeneficiary’srequestwhileundertakingtopayatmaturity
C. Prepaythedeferredpaymentundertaking
D. Obtainanagreementforrecoursetothebeneficiary

蒸氨流程中,塔顶的压力控制在()

A. 表压0.02MPa
B. 真空度800Kpa
C. 真空度800pa
D. 微负压,以不影响盐水下流为限

下列哪个不是钢筋混凝土预制桩检验批主控项目:()

A. 桩体质量
B. 桩位偏差
C. 桩顶标高
D. 承载力

蒸氨流程中,塔底的压力控制在()

A. 表压0.15-0.18MPa
B. 表压0.284-0.324Mpa
C. 真空度800Kpa
D. 微负压,以不影响盐水下流为限

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