华北水利水电学院工程水文学题库及答案

()[]。b、xyr度大。[]。[]30.738.236.960.675.6121yyy303Qi2898m/s1(t)n1e1/k10810141020112118111411205.7.205.8.25.8.145.8.205.9.27.7.147.7.177.7.207.7.237.8.27.8.117.87.148.88.143081781048.128.189.06.126.185.7.145.7.205.8.25.8.145.8.20PFAPAFBPBFCPAFDPDPFiiEWEm805.63.7mmWtWt1PtRPEtWt1PtRPWtEmtW田RW9000101000150mmRW8000101000133.3mmF60010002W44.151081000538.4mmF820010002R538.40.51P1050R11260.66P1190R21350.84P2160RW1420200001000177.5mmF80010002RW25910F1210010002MQ8220.0068m3/(s.km2)6.8L/(s.km2)F12100R2140.28P767E水900E陆1000.82000R225.00.32P700.0QRF493.31500100023.5m3/s15．（F）16．（T）17．（F）Qnq(1.50.5)1010m20.5205m21(VV)1(1.01.0)1.0m/s2m10.551.25m21(VV)1(1.01.0)1.0m/s2m1V3=(Vm2Vm3)(1.00.6)0.8m/s(2.53.0)1233m2(3.01.2)1021m21(VV)1(0.20.25)0.225m/s2m11(VV)1(0.250.15)0.2m/s2m2Q5.0m100%110.000110010023、[a]24、[d]31、[c]32、[a]14、[T]15、[F]23、[F]24、[T]30、[T]31、[F]m100%110m100%m50005n1000m950095n10006662111P（连得2次6点）=×=6636111P（连得3次5点）=××=66621611114大于等于5的值有10，9，7，5共4个数，则P（X77777=0.5711137777=0.4312121233211212121212=0.75xCv9.6×0.44=4.2xCv96×0.44=4211100P1%T1110年。1P190ni1i420258x1xi1100020013950591ni1i320010Cx10010，vxx100ni1i3505Cy5050，vyy10KiRix2230=52.6Cv12Cv23Cs22CvCs0039613C25C4035n2s16sPm×100%22ni1则Cs4Gnini122×10－518、解：QQini1130957=0.66CvQ=0.66×853.1=563.1Pm100%，Pm100%KiRipm100%22ni1则Cs4730271.10×10－5×10－5Gnini12×10－5K1K1K1K1SRR1r2251210972=611ixiyi1iiiixi21xini20391821570938263030413157092aybx=3.48－0.793×5.19=－0.64xy=213.9182，xniiaxby=5.19－1.2007×3.48=1.0116Q=aFb=14.5579×F0.789914177.715290063.79相关系数：rxxxx2xx2ryxryxr2yx1r2yx22ryxryxrxxryxrxxryxx=ryxrxxryx056=－87.27Q0W0510159m3/sW05108833mm1000F10006001Q28981(QQ)2103Fn1i1i1(RR)2103Fn1i1iT3652436003.46128.1mm103FQ190633.3mmQP=KPQ=0.75×266=199.5m3/s128200m3/sKp064Ri×AiPm100%KiQi16310031sTsW432QsWs1610507t/sQW43210137m3/sQs1370037t/m337kg/m3Q507年输沙量WssW=0.037×43.2×108=1.6×108t110.00620.62%N1161120.0121.2%P220.0515.1%n1381330.0777.7%n1381PmPMa(1PMa)ml(%)1(xNaNax)Nj1jnli1iN11nll1iCVN16051521Q5%Q95%2080296588.8m3/s，PMMPmmPMMPmmQ5%Q95%39001001312m3/sCV13121.03Q12751.21.132177101403510395543CVN15541401Q3%Q97%2470200638m3/sCV6380.69Q92424.TTstm1(t)ektW173.23210686.6mm1000F10002000Ws140.83210670.4mm1000F10002000Wg,tQg,0exp(/k)dkQg,0exp(/k)W31.55106116.4mm1000F100027120Ws18.810669.4mmK1Em150.95K1Em170.92210.4100.05.10.85.10.146.12.86.12.14R1=8.0mmR1+R2=33.8mm；所以，R1=8.0mmR2=25.8mm。EUt0,ELt0,EtEUtELt0130100aPE1bRt(PE)10.529.125.943.810.529.125.943.821.77.644.446.514.88033.31.571.6mm/hEEPWt4.554.43.1mmEUtEp4.5mm,ELt0,EtEUtELt4.5mm86205.206.26.86.147.88.28.89.29.87.88.28.89.29.88620728292Qt30817810482.934.322.98.128.18滞后单位线q(t)+q(t-6)10ij12365232242(m3/s)(m3/s)PmWmP，PmWmmPK1x1PK31x3Px1P0.278pF,0.278pcSt1ntc0.278L0.278pF,0.278L0.278LSpnF的概率为：PMPn2%20.04%PaP3d,1%PaP3d,1%639.6533.0106.6WmmmEm170.922I0+ftc=(1-)P1%所以I0=(0.13×460)-1×24=59.2-8-24=35.8mmK1P1P3362.10P1d160P3dP1d320160P7dP3d395320xN186296512726460249.9mm945134267.7mmQ417.3Qiihjqij10.506314iTSP，故TnSP，两边取对数得：n=iT200.703P6h=100×60.4=204.7mmP12h=100×120.4=270.2mmP24h=100×240.4=356.5mmT0.730.7i12012090.3mm/h，Qm0.27890.3102.555.81m3/sT0.71.50.7(m3/s)(m3/s)Q上+q区-Q下3850003918000.5tKx0.518180.150.260.5tKx0.518180.150.48710720730740750760770780790Q上+q区-Q下0.5tKx0.512120.2730.1850.5tKx0.512120.2730.63C021t12120.35112C121t12120.351120.73921122030C021t330.3130.167C12KKx1t330.314.21027.8mm三.是非题(每题2分，共10分)四.问答题(每题10分，共30分)7.51000a.90mmb.81mmd.80mmNj1nlil1CV11(QQ)2