2019年给排水专业基础真题及参考答案

2019 80 201910 80808080 10 2019 80 201910 808080808080 1010 80 2019 80808080 10 1 A B C D 80C 2 A B C D 80C 3: 48 49 50 51 52 =50 10 30 50 70 90 =50 A B C D 80C 4 A B C D 80C 5 A Cv B Cs C Cs D 80B 6 A B C D 80C 7 A B C D 80D 8 A B C D E /km2 78 92 95 80 85 /mm 35 42 23 19 29 A 39.7mm B 29.7mm C 49.5mm D 20.1mm 80B B C 1 A B C D 80C 2 A B C D 80C 3: 4849505152=50 1030507090=50 A B C D 80C 4 A B C D 80C 5 A Cv vB Cs C Cs D 80B 6 A B C D 80C 7 A B C D 80D 8 ABCDE /km278958085 /mm3542231929 A 39.7mm B 29.7mm C 49.5mm D 20.1mm 80B 92 42 92 42 E B D B C C 85 C 80 80 92 4229 80 80 9 A B C D 80B 10 A B C D 80B 11Q=1256m/dT=100 /d6.9410-4100min400m A 2W3.99m B W3.99m C 2W0.399m D W0.399m 80D 12 A B C D 80B 13 A B C D 80A 14 A B C D 80D 15 A B C D 80C 16 A B C D 80B 17 A B C D 80B 18 A B C D 400m400m 3.990.3990.3993.99 D 9 A B C D 80B 10 A B C D 80B 11Q=1256m/dT=100 /d6.9410-4100min400m A 2W3.99m B W3.99m C 2W0.399m D W0.399m 80D 12 A B C D 80B 13 A B C D 80A 14 A B CD 80D 15 A B C D 80C 16 A B C D 80B 17 A B C D 80B 18 A B C D A 80 D D 8080 D C 0.3993.99C 2W 400m C 2Wmm =1256m/d 400m D D D 0.399 B 80 15 A C A 80 B C B 80C 19 A B C D 80C 20 A B C D 80B 21 A. B. C. D. 80C 22 A. B. C. D. 80C 23 A B C D 80B 24d=2m=1500kg/m A 41.03KN B 61.54KN C 20.05KN D 4.19KN 80A 25ABZA=1mZB=5mPA=80kpaPB=50kpaVA=1m/s VB=4m/s A. ZAZB A B .PA PB B C .VA VBB D. 22 AB AABB A 80D D =1500kg/m 61.54KN C 20.05KN D A 222222 ABABAB 80C 19 A B C D 80C 20 A BC D 80B 21 A. B. C. D. 80C 22 A. B. C. D. 80C 23 A B C D 80B 24d=2d dm=1500kg/m A 41.03KN B61.54KN C 20.05KN D 4.19KN 80A 25ABZA=1mZB=5mPA=80kpaPB=50kpaVA=1m/s VB=4m/s A. ZAZBA B .PAPBB C .VAVBB D. 22 ABABABAB AABB 2222 AABBAABB ABABABAB AABBAABB A 80D8080 VB ABAB 22 AABBAABB AB 2222 AABB ABAB 2222222222 A =1500kg/m 61.54KN C 20.05KN D =1500kg/m D D C 20 B A 41.03KN B V ABABABABABABAB B AABBAABB 22 AABBAABB B B 61.54KN C 20.05KN D61.54KN C 20.05KN DA 41.03KN B61.54KN C 20.05KN D A. B. CA 80 ABABAB AABBAABB 2650mm3.34L/s h=150mm A 12.8 B 1.28 C 13.8 D 1.38 80A 27 A B C D 80C 28b=1.5m m=1.5h0 A 2.25m B 2.48m C 1.0m D 2.88m 80B 294.0m50m/sh0=4m A B C D 80B 30 A B 0.67 H C D 0.67 H 80A 31 A B C D 80D 32 A B C D 80A 33 A B C D 1.0m 2.25m 2650mm3.34L/s h=150mm A 12.8 B 1.28 C 13.8 D 1.38 80A 27 A B C D 80C 28b=1.5m m=1.5h0 A2.25m B 2.48m C 1.0m D 2.88m 80B 294.0m50m/sh0=4m A B C D 80B 30 A B 0.67 H C D 0.67 H 80A 31 ABCD 80D 32 A B C D 80A 33 A B C D 80 8080 A 80 2.25m =1.5m =1.5 D 1.38 C 13.8 D 1.38 B C m=1.5 2.25m C1.0m B 1.28 C 13.8 1.0m 80 33 A 31 h29 80 1.0m =1.5 1.0m 1.0m 80B 34 A B C D 80A 35 A B C D 80B 36Hsv=ha-hva-hs Hsv A B C D 80C 370.5m/s0.75m2m H=Hv- 2 1 2g V -h A 1.01m B 1.25m C 2.76m D 2.84m 80C 38 A 380 V B 220V C 10KV D 35KV 80C 39 A B C D 80D 40 A B C D 80C 4163L/s5min A 13.2m3 B 18.9m3 C33.6 m3 D 56.0m3 80B 42 D 80B 34 A B C D 80A 35 A B C D 80B 36Hsv=ha-hva-hs Hsv A B C D 80C 370.5m/s0.75m2m H=Hv- 2 1 2g V1 -h A 1.01m B 1.25m C 2.76m D 2.84m 80C 38 A380 V B 220V C 10KV D 35KV 80C 39 A B C D 80D 40 A B C D 80C 4163L/s5min A13.2m3B18.9m3C33.6 m3D56.0m3 80B 42 B 33.6C33.6 63L/s 80 B D 35KVA380 V 80 380 V 35KV A 1.01m B 1.25m C 2.76m D 2.84m A 80 D 220V 35KV380 V B sv D B B 63L/s 80 33.6 41 A33.6 m3 37 80 D 63L/s A 30s B 60s C 1min D 5min 80A 43 A B C D 80D 44Ca2+10.0ml A 5.086% B 5.1% C 5.09% D 5% 80C 45H2PO4- A H3PO4 B HPO32- C PO43- D OH- 80B 46CHCl=0.01mol/L Kb=10-2 Kb=10-3 Kb=10-5 Kb=10- 7 A B C D 80A 80 47 A. B.K2Cr2O7 C.EDTA D. 80C 80 48 A B C D 80B 80 49 AAgNO3 B. C EDTA D 80A 80 50COD A B C D 80B 80 5112 B.KB.KB.K A 30s B 60s C 1min D 5min 80A 43 A B C D 80D 44Ca2+10.0ml A 5.086% B 5.1% C 5.09% D 5% 80C 45H2PO4- AH3PO4 B HPO32- C PO43- D OH- 80B 46CHCl=0.01mol/L Kb=10-2 Kb K =10-3 Kb K =10-5 Kb K K =10- 7 A B C D 80A 80 47 A.B.K2Cr2O7 C.EDTAD. 80C 80 48 A B C D 80B 80 49 AAgNO3 B. C EDTAD 80A 80 50COD A B C D 80B 80 5112 C COD C 50 C.EDTAB.K2CrB.K D =10 D OH B HPO 10.0ml10.0ml 80 CHC Kb COD K=10CHC HPO COD CHC A 80 A D 7 A 10.0ml10.0ml44 HPO K COD A 1/2 B C lg2 D 2 80D 52pH A pH BH+ CH+ D pH 80A 53 A B C D 80B 54XA=500.00mYA=500.00mXB=200.00mYB=800.00m AB 80C 55 A B C D 80D 56 A B C D 80C 57 A B C D 80D 58 A B C D 80B 59 A B pH B B A 1/2 B C lg2 D 2 80D 52pH A pH BH+ CH+ DpH 80A 53 A B C D 80B 54XA=500.00mYA=500.