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[航道] 征求航道工程试题答案 [复制链接]

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一、单项选择题°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
1
.我国将航道由高到低分为     级。°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
A
4°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
B
5°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
C
6°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
D
7°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
2.船闸引航道口门区要求最大横向流速不大于    °Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
A
0.2m/s°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
B
0.3m/s°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
C
0.4m/s°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
D
0.5m/s °Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
3.按岩石土质分,平原河流的碍航浅滩主要是   °Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
A
.石质浅滩°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
B
.卵石浅滩°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
C
.砂质浅滩°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
D
.泥沙浅滩°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
5.按照丁坝的挑流角划分,丁坝轴线与水流流向交角小于90度时,丁坝为   °Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
A.上挑丁坝°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
B
.下挑丁坝°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
C
.正挑丁坝°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
D.
勾头丁坝°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
7.下列哪项不是石质浅滩整治措施    °Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
A.疏炸航槽°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
B
.筑坝壅水°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
C
.新开航槽°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
D
.切除滩口°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
8.下列哪项不是桥梁碍航的原因    °Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
A.河道淤积°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
B
.桥位选址不当°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
C
.通航净空不足°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
D
.无助航标志°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
11.梢石排混合护底适用于河床岸坡较缓的地方使用,坡度应缓于    °Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
A1:1.5°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
B
1:2°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
C
1:2.5°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
D
1:3°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
12.在大块石来源较困难而砾、卵石较丰富的中小河流,可采用    °Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
A.抛石丁坝°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
B
.充填袋填心坝°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
C
.抛泥坝°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
D
.石笼填心坝°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
14.在我国根据实践经验,在顺直段一般丁坝的丁坝间距为    °Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
A
.(1.0~1.5L°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
B
.(1.2~2.5L°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
C
.(1.0~1.5L°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
D.
2.0~2.5L°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
15.为使抛石丁坝的坝身稳定,总是将上下游面做成一定的坡度,一般上游坡面为    °Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
A1:1~1:1.5°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
B
1:1~1:2°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
C
1:1.5~1:2°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
D
1:2~1:3°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
16.船闸引航道口门区要求回流流速不大于    °Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
A
0.2m/s°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
B
0.3m/s°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
C
0.4m/s°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
D
0.5m/s°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
19.按照丁坝的挑流角划分,丁坝轴线与水流流向交角等于90度时,丁坝为:°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
A.上挑丁坝°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
B
.下挑丁坝°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
C
.正挑丁坝°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
D.
勾头丁坝°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
21.在上沙嘴下移泥沙较多,下深槽倒套较窄,吸流能力不强的情况下,挖槽宜选择在°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
A
.沙埂的头部°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
B
.沙埂的根部°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
C
.沙埂上半部比较窄深的部位°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
D
.沙埂下半部比较窄深的部位°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
25.为使抛石丁坝的坝身稳定,总是将上下游面做成一定的坡度,一般下游坡面为:°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
A1:1~1:1.5°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
B
1:1~1:2°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
C
1:1.5~1:2°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
D
1:1.5~1:2.5°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
30.河口单线航道按经验取挖槽宽度为设计船宽的°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
A6~7°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
B
5~6°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
C
4~5°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
D
3~4°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
32.在支流河口段,在水库消落期,上游河段冲刷下来的泥沙,受干流较高水位的顶托,在河口附近淤成大的沙包,影响船舶进出支流河段,称为    °Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
A.河口沙°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
B
.拦门沙°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
C
.沙坝°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
D
.浅滩°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
33.为使抛石丁坝的坝身稳定,总是将上下游面做成一定的坡度,一般上游坡面为:°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
A1:1~1:2°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
B
1:1~1:1.5°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
C
1:1.5~1:2°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
D
1:2~1:3°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
34.强潮海相来沙河口可取     倍底沙粒径作为悬沙的粒径。°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
A
0.5°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
B
0.7°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
C
1.0°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
D
1.3°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
35.丘陵地区河流的碍航浅滩主要是   °Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
A.弯道浅滩°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
B
.卵石浅滩°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
C
.砂质浅滩°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
D
.泥沙浅滩°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
37.河口双线航道按经验取挖槽宽度为设计船宽的°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
A
6~7°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
B
5~6°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
C
4~5°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
D
3~4°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
38.抛泥区不宜选择在°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
A.凸岸边滩下部°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
B
.下游不碍航行的深水区°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
C.下深槽沱口°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
D
.挖槽进口的上方°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
二、多项选择题°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
4
.常用的整治建筑物包括:°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
A
.丁坝°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
B
.护岸°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
C
.鱼嘴°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
D
.潜堤°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
E
.导流屏°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
10.抛泥区通常适合选择在:°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
A
.凸岸边滩下部°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
B
.下游不碍航行的深水区°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
C
.下深槽沱口°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
D
.挖槽进口的上方°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
E
.不通航道的汊道°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
19.整治弯道的方法主要有:°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
A
.保护凹岸°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
B
.筑坝导流°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
C
.筑坝导流°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
D
.防治弯道恶化°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
E
.裁弯取直°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
20.在挖泥和排泥操作时引起二次污染,主要包括:°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
A.
水和土化学状态的变化B. 水和土物理状态的变化°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
C. 水和土生物状态的变化D. 混浊度E. 水中悬浮固体物质的数量变化°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
一、单项选择题°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x

°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
13.人字闸门适用于°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x

°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x

         A.高水头大跨度的船闸                       B.低水头大跨度的船闸°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x

°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x

C.双向水头大跨度的船闸                   D.双向水头小跨度的船闸°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x

°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x

19.在上沙嘴下移泥沙较多,下深槽倒套较窄,吸流能力不强的情况下,挖槽宜选择在°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x

°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x

         A.沙埂的头部                                  B.沙埂的根部°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x

°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x

      C.沙埂上半部比较窄深的部位            D.沙埂下半部比较窄深的部位°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x

°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x

22.确定船闸闸室墙顶高程主要决定于°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x

°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x

         A.下游最高通航水位                           B.上游设计洪水位°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x

°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x

      C.上游最高通航水位                          D.上游最低通航水位°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x

°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x

24.悬臂式闸室的两侧闸墙在闸底相接处的受力情况是传递°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x

°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x

         A.水平推力         B.剪力                C.弯矩                D.弯矩和剪力°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x

°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x

25.管涌的发生主要与°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
有关。°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x

°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x

         A.土壤的颗粒级配和渗流波降的大小      B.土壤的粘聚力和渗透坡降的大小°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x

°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x

      C.渗流流速及渗透坡降的大小     D.土壤颗粒组成的不均匀程度°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x

°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x

27.在横梁式人字闸门中,由于水平主横梁是它的主要受力构件,所以它适用于°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x

°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x

         A.闸门宽度较大 B.闸门高度较小 C.闸门高度较大       D.闸门宽比高大°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x

°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x

38.为了减少单船过闸时间,提高船闸通过能力,并节省过闸用水量,常采用°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x

°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x

         A.井式船闸                  B.带中间闸首的船闸         C.广厢船闸                 D.省水船闸°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x

°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x

41.无粘性土中,渗流变形破坏主要是°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x

°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x

         A.流土                B.管涌                C.接触流土         D.流土和接触流土°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x

°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x

42.横梁式人字闸门一般在°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
时采用。°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x

°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x

         A.闸门宽度较大时                              B.门宽比门高大°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x

°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x

      C.闸门高度较大                                  D.闸门高度较小°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x

°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x

°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x

°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x

二、多项选择题°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x

°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x

°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x

°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x

1.影响浅滩演变的主要因素有°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x

°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x

         A.来水                             B.比降                         C.来沙°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x

°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x

         D.河床边界条件                 E.降水量°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x

°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x

5.分离式闸室结构有()型式。°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x

°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x

         A.重力式         B.高桩式      C.悬臂式        D.扶壁式       E.衬砌式°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x

°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x

12.平原或山区河流浅滩整治水位的确定方法有°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x

°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x

   A. 流量频率法 B.造床流量法 C. 历时频率法 D. 流量频率法 E.经验方法°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x

°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x

15.浮筒式垂直升船机由()构成。°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x

°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x

      A.闸首        B.承船厢        C.浮筒         D.平衡系统       E.支撑结构°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x

°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x

18.船闸防渗布置可采用°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x

°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x

A. 铺盖      B. 板桩      C. 排水管     D. 倒滤层       E. 齿墙°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x

°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x

20.弯道整治地措施主要有°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x

°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x

   A. 保护凹岸,防止弯道恶化   B. 筑坝导流,调整岸线°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x

°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x

   C. 裁弯取值,新开航槽   D. 利用锁坝堵塞支汊   E. 利用丁坝堵塞支汊°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x

°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x

°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x

°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x

三、填空题°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x

°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x

°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
2.整治水位是°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
,整治线宽度是°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
的河面宽度。°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x

°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x

3. 丁坝是°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
与河岸相接,°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
伸向河心,在平面上与河岸构成丁字形,°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
阻水的整治建筑物。°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x

°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x

4. 航道整治工程措施主要有°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
   °Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
等。°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x

°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x

5. 船闸输水系统的型式主要可分为°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
两种型式。°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x

°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x

6. 闸室结构沉降计算的目的,是计算地基°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
,防止沉降量过多而引起危害。°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x

°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x

7. 人字闸门启闭机械根据传动装置的构造不同可分为°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
两种。°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x

°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x

8. 弧形阀门常采用°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
结构。°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x

°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x

9. 闸首是将°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
分隔开的挡水建筑物。°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x

°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x

10.根据碍航原因可将滩险分为°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x

°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x

11. 推求浅滩设计水位的方法有°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
,瞬时水位法。°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x

°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x

12. 航道应有以下基本要求:应有足够的°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
适宜船舶航行的水流条件,包括适宜的流速、良好的流态。°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x

°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x

13. 航道疏浚是指利用°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
或其他机具进行航道°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
,它是维护和提高航道尺度的一种工程措施。°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x

°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x

14. 对于开敞式阀门,输水廊道内可能会产生°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
,密封式阀门后则可能会出现°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
,因此需进行输水阀门后廊道内的水力条件校核。°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x

°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x

16. 船闸渗流特点是°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x

°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x

18.垂直升船机根据平衡方式不同,可分为°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
垂直升船机。°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x

°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x

19. 按工作条件,输水阀门可分为°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
阀门。°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x

°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x

20. 反滤层的主要作用是°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
,它通常设置在°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x

°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x

23.引航道中船舶所受的动水作用为°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x

°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x

24. 船闸基本尺度是指闸室的°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x

°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x

25. 整治断面设计包括确定°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x

°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x

26.根据浅滩成因和所在地区分为°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
,弯道浅滩,分叉河道浅滩和回水变动区浅滩等。°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x

°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x

27. 最高通航水位的推求方法为°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x

°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x

30. 常用的输水阀门型式有°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x

°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x

31. 地基的稳定性通常用°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
来衡量。°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x

°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x

32. 斜面升船机的驱动方式有  °Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
  °Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x

°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x

°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
分享 转发
TOP
2#

这是啥题目?培训题目?°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
TOP
3#

啊?楼主能否告诉我是什么题目啊?我懂一部分。°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
TOP
4#

水运监理航道专业的部分题跟这个差不多°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
TOP
5#

1.我国将航道由高到低分为   D  级。°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
    A.4    B.5    C.6    D.7    °Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
2.船闸引航道口门区要求最大横向流速不大于  B  。°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
    A.0.2m/s    B.0.3m/s    C.0.4m/s    D.0.5m/s °Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
3.按岩石土质分,平原河流的碍航浅滩主要是  D 。°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
    A.石质浅滩      B.卵石浅滩      C.砂质浅滩        D.泥沙浅滩°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
4.在取得浅滩上和基本水位站同时观测一段时间的枯水位后,浅滩上的设计水位推求可采用:A°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
   A. 水位相关法     B. 比降插入法     C. 瞬时水位法     D.流量频率法°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
5.按照丁坝的挑流角划分,丁坝轴线与水流流向交角小于90度时,丁坝为  A 。°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
A.上挑丁坝    B.下挑丁坝    C.正挑丁坝    D.勾头丁坝°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
6.在上边滩比较稳定,上沙嘴补充的泥沙不多,下深槽倒套比较宽深,吸流能力较强的情况下,挖槽宜选择在C  。°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
A.沙埂的头部          B.沙埂的根部°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
      C.沙埂上半部比较窄深的部位        D.沙埂下半部比较窄深的部位°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
7.下列哪项不是石质浅滩整治措施 D   。°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
A.疏炸航槽    B.筑坝壅水    C.新开航槽    D.切除滩口  °Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
8.下列哪项不是桥梁碍航的原因 A   。°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
A.河道淤积    B.桥位选址不当    C.通航净空不足    D.无助航标志°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
9.下列哪项不是河口按照从地貌学成因区分  C  。°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
A.溺谷型河口    B.三角洲型河口    C.高度成层型河口    D.峡江型河口°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
10.   D   上起枯水期潮流界上界,下至洪水期潮流界下界,一般为河口口门。°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
A.河流近口段    B.口外海滨段    C.河口潮汐段    D.河口潮流段°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
11.梢石排混合护底适用于河床岸坡较缓的地方使用,坡度应缓于  C  。°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
A.1:1.5    B.1:2    C.1:2.5    D.1:3°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
12.在大块石来源较困难而砾、卵石较丰富的中小河流,可采用  A  。°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
A.抛石丁坝    B.充填袋填心坝    C.抛泥坝    D.石笼填心坝°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
13.顺直分汊型河道的弯曲系数介于  A  之间。°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
A.1.0~2.0    B.2.0~3.0    C.3.0~4.0    D.4.0~5.0°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
14.在我国根据实践经验,在顺直段一般丁坝的丁坝间距为  B  。°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
   A.(1.0~1.5)L    B.(1.2~2.5)L    C.(1.0~1.5)L    D. (2.0~2.5)L°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
15.为使抛石丁坝的坝身稳定,总是将上下游面做成一定的坡度,一般上游坡面为   A 。°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
A.1:1~1:1.5    B.1:1~1:2    C.1:1.5~1:2    D.1:2~1:3     °Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
16.船闸引航道口门区要求回流流速不大于    C。°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
    A.0.2m/s    B.0.3m/s    C.0.4m/s    D.0.5m/s°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
17.若上下深潭相互交错时,上深潭下部的尖端部分为B°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
    A.尖潭      B.倒套      C.沙埂        D.沱口°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
18.如果浅滩上缺乏水位观测资料,但是上下相邻水位站的设计水位已知,推算浅滩的设计水位采用:C°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
A. 水位相关法     B. 比降插入法     C. 瞬时水位法     D.流量频率法°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
19.按照丁坝的挑流角划分,丁坝轴线与水流流向交角等于90度时,丁坝为:C°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
A.上挑丁坝    B.下挑丁坝    C.正挑丁坝    D.勾头丁坝°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
20.当转向角介于10至30度之间时,挖槽的弯曲半径宜取 B°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
    A.2至3倍设计船长      B.3至5倍设计船长  °Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
    C.5至6倍设计船长        D.5至10倍设计船长°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
21.在上沙嘴下移泥沙较多,下深槽倒套较窄,吸流能力不强的情况下,挖槽宜选择在B°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
    A.沙埂的头部          B.沙埂的根部°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
      C.沙埂上半部比较窄深的部位        D.沙埂下半部比较窄深的部位°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
22.下列哪项不是湖区滩险的整治措施D°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
A.疏浚与筑坝相结合    B.修建渠化工程    °Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
C.改善流向、提高输沙能力    D.筑导流堤,束水冲刷°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
23.在天然河道中,由于局部地形的影响,在短距离内水流形成较大落差,产生急流碍航,航运部门成为  A  。°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
A.吊坎水    B.跌坎水    C.走沙水    D.拦门沙°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
24.当来水的混合指数M>1、a<0.5时,称为   A  。°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
A.弱混合陆相河口     B.强混合海相河口    °Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
C.缓混合海相河口    D. 缓混合陆相河口°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
25.为使抛石丁坝的坝身稳定,总是将上下游面做成一定的坡度,一般下游坡面为:D°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
A.1:1~1:1.5    B.1:1~1:2    C.1:1.5~1:2    D.1:1.5~1:2.5°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
26.在河口地区,在盐淡水混合的作用下,细颗粒泥沙具有絮凝性质,絮凝泥沙的当量粒径约为 C   。°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
   A.0.01mm    B.0.02mm    C.0.03mm    D.0.04mm°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
27.   D   上起枯水期潮流界上界,下至洪水期潮流界下界,一般为河口口门。°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
A.河流近口段    B.口外海滨段    C.河口潮汐段    D.河口潮流段°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
28.按航道的管理属性划分,可将航道划分为国家航道、地方航道和   A    。°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
    A.专业航道    B.干线航道    C.高等级航道    D.重要航道°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
29.高水期,从上深潭到浅滩脊,出现流速最小的地方是D°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
    A.上深槽      B.沙埂      C.滩脊        D.尖滩°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
30.河口单线航道按经验取挖槽宽度为设计船宽的D°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
A.6~7倍      B.5~6倍      C.4~5倍        D.3~4倍°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
31.河口地区航道通航水深的计算不考虑B°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
A.船舶航行时船体下沉增加的富余水深    B.波浪富余深度°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
C.备淤富余深度                        D.航行时龙骨下最小富余深度°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
32.在支流河口段,在水库消落期,上游河段冲刷下来的泥沙,受干流较高水位的顶托,在河口附近淤成大的沙包,影响船舶进出支流河段,称为  B  。°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
A.河口沙    B.拦门沙    C.沙坝    D.浅滩°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
33.为使抛石丁坝的坝身稳定,总是将上下游面做成一定的坡度,一般上游坡面为:B°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
A.1:1~1:2    B. 1:1~1:1.5    C.1:1.5~1:2    D.1:2~1:3°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
34.强潮海相来沙河口可取   B  倍底沙粒径作为悬沙的粒径。°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
   A.0.5    B.0.7    C.1.0    D.1.3°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
35.丘陵地区河流的碍航浅滩主要是B  。°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
A.弯道浅滩      B.卵石浅滩      °Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
C.砂质浅滩        D.泥沙浅滩°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
36.最高通航水位的推求方法采用  A  。°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
A.流量频率法      B.水位相关法      C.比降插入法        D.瞬时水位法°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
37.河口双线航道按经验取挖槽宽度为设计船宽的 A°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
    A.6~7倍      B.5~6倍      C.4~5倍        D.3~4倍°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
38.抛泥区不宜选择在 D°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
A.凸岸边滩下部                B.下游不碍航行的深水区      °Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
C.下深槽沱口          D.挖槽进口的上方°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
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有高人答一下其他答案啊°Gžª¨+ѳˆbbs.3c3t.comê‹9Èî/G?x
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