31.基坑開挖之前，在基坑四周埋設(shè)一定數(shù)量的流水井，利用抽水設(shè)備抽水，使地下水

位降至坑底下的排降水施工方法是

A.井點(diǎn)降水法                                                         B.明排水法

C.水泵抽水                                                             D.基坑開挖

32.滑升模板的施工方法適用于

A.煙囪、水塔、筒倉等工程                                    B.砌體墻工程

C.樁基工程                                                             D.墻面裝飾工程

33.混凝土澆筑時(shí)，施工縫的位置應(yīng)在混凝土澆筑之前確定，并宜留在便于施工且

A.結(jié)構(gòu)受剪力較大的部位                                        B.結(jié)構(gòu)受彎較小的部位

C.結(jié)構(gòu)受彎較大的部位                                           D.結(jié)構(gòu)受剪力較小的部位

34.混凝土泵按驅(qū)動(dòng)方式可分為液壓式和

A.牽引式                                                                B.車載式

C.風(fēng)動(dòng)式                                                                D.擠壓式

35.裱糊前應(yīng)在基層先刷一道底層涂料，涂料中107膠與水的比例應(yīng)為

A.1∶l                                                                     B.1∶2

C.1∶3                                                                    D.2∶1

36.后張法張拉單根粗鋼筋時(shí)，張拉端錨具宜采用

A.螺絲端桿錨具                                                      B.鐓頭錨具

C.幫條錨具                                                             D.鋼質(zhì)錐形錨具

37.鑲貼大理石時(shí)，應(yīng)在板后分層灌人體積比為

A.1∶2的水泥砂漿                                                  B.1∶2.5的水泥砂漿

C.1∶1.5的水泥砂漿                                               D.1∶3的水泥砂漿

38.木材面混色油漆施工底漆應(yīng)使用

A.調(diào)和漆                                                                B.光油

C.防銹漆                                                                D.干性油

39.輪胎起重機(jī)的特點(diǎn)是

A.可以載荷行駛                                                      B.作業(yè)時(shí)無需使用支腿

C.作業(yè)時(shí)靈活性好                                                  D.行駛速度較快

40.可用作預(yù)應(yīng)力鋼筋張拉夾具的是

A.穿心式夾具                                                         B.偏心式夾具

C.錐形夾具                                                             D.楔形夾具