21.一般居室和辦公室門寬為

A.600mm                                                                B.700mm

C.900mm                                                                D.1000mm

22.下列屬于單層工業(yè)廠房骨架承重結(jié)構(gòu)中縱向聯(lián)系構(gòu)件的是

A.屋架                                                                    B.基礎(chǔ)梁

C.墻梁                                                                    D.吊車梁

23.磚墻勒腳部位應(yīng)該外抹

A.石灰砂漿                                                             B.水泥砂漿

C.水泥石灰混合砂漿                                               D.石灰砂漿加紙筋罩面灰

24.大型公共建筑若屋面面積很大其排水方式宜采用

A.檐溝外排水                                                         B.女兒墻外排水

C.內(nèi)排水                                                                D.無組織排水

25.平面布置靈活，開間、進(jìn)深尺寸較大且房間類型多的建筑宜采用

A.橫墻承重                                                             B.縱墻承重

C.縱橫墻混合承重                                                  D.墻與內(nèi)柱混合承重

26.推拉門按其立面形式分有單扇推拉門、雙扇推拉門、多扇推拉門及

A.輕質(zhì)材料推拉門                                                  B.鋼板推拉門

C.鋁合金推拉門                                                      D.鐵柵推拉門

27.基礎(chǔ)埋置深度一般不小于

A.0.2m                                                                    B.0.3m

C.0.4m                                                                    D.0.5m

28.為防止建筑物因不均勻下沉引起破壞，可在適當(dāng)?shù)奈恢迷O(shè)置

A.伸縮縫                                                                B.防震縫

C.沉降縫                                                                D.腰線

29.下列關(guān)于板式樓梯說法正確的是

A.結(jié)構(gòu)復(fù)雜                                                             B.底面平整，施工方便

C.自重較小                                                             D.適用于荷載較大的樓梯

30.懸臂板式的鋼筋混凝土現(xiàn)澆雨篷的受力鋼筋應(yīng)布置在板的

A.四周                                                                    B.上部

C.底部                                                                    D.中間