1銆佷笅鍦栫ず鎳歌噦姊佸拰绨℃敮姊侀暦搴︾浉鍚�锛岄棞(gu膩n)浜庡叐姊佺殑Q鍦栧拰M鍦栨湁锛�

(A)Q鍦栧拰M鍦栧潎鐩稿悓锛�
(B)Q鍦栧拰M鍦栧潎涓嶅悓锛�
(C)Q鍦栫浉鍚�锛孧鍦栦笉鍚�锛�
(D)Q鍦栦笉鍚�锛孧鍦栫浉鍚�銆�
绛旀锛氾紙A锛�
瑙ｆ瀽锛氱暙鍑哄叐鑰呯殑鍏�(n猫i)鍔涘湒鍙煡锛岀瓟妗堢偤锛圓锛�
2銆佷笅鍦栨墍绀轰笁鏍圭啊鏀锛岃法涓潎鍙楅泦涓姏P浣滅敤锛岃嫢瀹冨€戠殑璺ㄥ害涔嬫瘮鐐�11锛歭2锛歭3=1:2:3锛屽叾浣欐浠剁浉鍚屾檪(sh铆)锛屽畠鍊戞渶澶ф挀搴︿箣闁撶殑姣斾緥鐐猴細

(A) f1锛歠2锛歠3=1:2:3锛�
(B) f1锛歠2锛歠3=1:4:9锛�
(C) f1锛歠2锛歠3=1:8:27锛�
(D) f1锛歠2锛歠3=1:16:8銆�
绛旀锛氾紙C锛�
瑙ｆ瀽锛氬湒绀虹啊鏀璺ㄤ腑鍙楅泦涓姏P浣滅敤锛岃法涓挀搴﹁垏姊佺殑璺ㄥ害鐨勭珛鏂规垚姝ｆ瘮
3銆佸彈鍔涚墿楂斿収(n猫i)涓€榛�(di菐n)铏�锛屽叾鏈€澶у壀鎳�(y墨ng)鍔涙墍鍦ㄥ钩闈笂鐨勬鎳�(y墨ng)鍔涳細
(A)涓€瀹氱偤鏈€澶�锛�
(B)涓€瀹氱偤闆讹紱
(C)涓嶄竴瀹氱偤闆�锛�
(D)涓€瀹氫笉鐐洪浂銆�
绛旀锛氾紙C锛�
瑙ｆ瀽锛氬仛鎳�(y墨ng)鍔涘湏鍙煡锛屾渶澶у壀鎳�(y墨ng)鍔涙墍鍦ㄥ钩闈笂鐨勬鎳�(y墨ng)鍔涗笉涓€瀹氱偤闆�銆�
4銆佸鍦栨墍绀�锛屾姌鏉挎壙鍙楅潨姘村寮�(qi谩ng)锛屽摢鍊�(g猫)澹撳挤(qi谩ng)鍒嗗竷鍦栨槸姝ｇ⒑鐨�?

绛旀锛圖锛�
瑙ｆ瀽锛氬埄鐢ㄩ潨姘村寮�(qi谩ng)鍏紡p=p0+蟻gh锛屽彲鐭榛�(di菐n)浠ヤ笅鎶樻澘涓婂悇榛�(di菐n)鎵垮彈鐨勯潨姘村寮�(qi谩ng)閮界浉绛�
5銆佸涓嬪湒鎵€绀猴紝闈滄姘撮珨涓瑼銆丅鍏╅粸(di菐n)锛岃窛姘撮潰璺濋洟鍒嗗垾鐐篽1锛宧2锛屾恫闈㈠寮�(qi谩ng)p0锛�0锛孉榛�(di菐n)鐨勫寮�(qi谩ng)姘撮牠鐐猴細

(A)h1锛�
(B)h2锛�
(C)h2锛峢(hu谩n)1锛�
(D)0
绛旀锛圓锛�
瑙ｆ瀽锛氬埄鐢ㄩ潨姘村寮�(qi谩ng)鍏紡p=p0+蟻gh锛屽彲寰桝榛�(di菐n)鐨勯潨姘村寮�(qi谩ng)鐐合乬h1锛涢€�(j矛n)鑰屾牴鎿�(j霉)澹撳挤(qi谩ng)姘撮牠鐨勫畾缇╁彲鐭ワ紝A榛�(di菐n)鐨勫寮�(qi谩ng)姘撮牠鐐篽1銆�
6銆佹祦绶氭槸锛�  锛夐亱(y霉n)鍕�(d貌ng)鐨勮粚璺＄窔銆�
(A)鏁�(sh霉)鍊�(g猫)璩�(zh矛)榛�(di菐n)锛�
(B)鏌愪竴璩�(zh矛)榛�(di菐n)锛�
(C)娴侀珨锛�
(D)娴侀珨璩�(zh矛)榛�(di菐n)銆�
绛旀锛圕锛�
瑙ｆ瀽锛氱敱瀹氱京锛屾祦绶氭槸娴侀珨璩�(zh矛)榛�(di菐n)閬�(y霉n)鍕�(d貌ng)鐨勮粚璺＄窔
7銆佹祦楂旈亱(y霉n)鍕�(d貌ng)鎸夋帴瑙稿闈㈡儏娉佸彲鍒嗙偤锛�
(A)鏈夊娴�銆佺劇澹撴祦鍜屽皠娴�
(B)鏈夊娴佸拰鐒″娴�
(C)鐒″娴佸拰灏勬祦
(D)鏈夊娴�銆佸拰灏勬祦
绛旀锛圓锛�
瑙ｆ瀽锛氭祦楂旈亱(y霉n)鍕�(d貌ng)鎸夋帴瑙稿闈㈡儏娉佸彲鍒嗙偤锛氭湁澹撴祦銆佺劇澹撴祦鍜屽皠娴�銆傛祦楂旈亷娴佹柗闈㈢殑鍛ㄧ晫鐐哄闈㈠寘鍦�锛屾矑鏈夎嚜鐢辫〃闈紝娴侀珨鍦ㄥ鍔涗笅娴佸嫊(d貌ng)绋辨湁澹撴祦鎴栧鍔涙祦銆備竴鑸郸姘寸閬撱€佷緵鐔辩閬撳潎鐐哄鍔涙祦銆傛祦楂旈亷娴佹柗闈㈢殑澹佸拰搴曠偤澹侀潰鍖呭湇锛屽叿鏈夎嚜鐢辫〃闈㈢ū鐒″娴�(閲嶅姏娴�)銆備緥濡�锛屽ぉ鐒舵渤閬撶殑娴佸嫊(d貌ng)鍜屾帓姘寸(闈炴豢娴�)涓殑娴佸嫊(d貌ng)鏄湪閲嶅姏浣滅敤涓嬪苟鍏锋湁鑷敱琛ㄩ潰鐨勬祦鍕�(d貌ng)灞劇澹撴祦銆傛祦楂旂稉(j墨ng)瀛斿彛鎴栨秷鐏爴鐨勭鍢村櫞灏勫埌鏌愪竴绌洪枔锛岀敱浜庨亱(y霉n)鍕�(d貌ng)鐨勬祦楂旇劔闆簡鍘熶締闄愬埗瀹冪殑鍥洪珨閭婄晫锛屽湪鍏呮豢娴侀珨鐨勭┖闁撶辜绾�(x霉)娴佸嫊(d貌ng)鐨勯€欑ó娴侀珨閬�(y霉n)鍕�(d貌ng)绋卞皠娴�銆傚姘寸稉(j墨ng)瀛斿彛灏勪汉澶ф埃鐨勬按娴侀亱(y霉n)鍕�(d貌ng)
8銆佸涓嬪湒锛屽緸姘翠綅鎭掑畾鐨勬按绠辨帴鍑烘按绠�锛屾按绠′笂瑁濋枼闁€锛岃嫢闂�(gu膩n)灏忛枼闁€锛屽墖锛�

(A)闁ラ杸鏂烽潰涓績澹撳挤(qi谩ng)澧炲ぇ锛屾祦閫熶笉璁�锛�
(B)闁ラ杸鏂烽潰涓績澹撳挤(qi谩ng)涓嶈畩锛屾祦閫熷澶э紱
(C)闁ラ杸鏂烽潰涓績澹撳挤(qi谩ng)澧炲ぇ锛屾祦閫熸笡??锛�
(D)闁ラ杸鏂烽潰涓績澹撳挤(qi谩ng)娓涘皬锛屾祦閫熷澶с€�
绛旀锛圖锛�
瑙ｆ瀽锛氭按绠辩殑姘翠綅鎭掑畾锛屾晠鐐烘亽瀹氭祦锛屾晠姘寸鐨勬祦閲忔亽瀹氾紝闂�(gu膩n)灏忛枼闁€鍚�锛屽嚭姘撮潰绌嶈畩灏忥紝鏁呮祦閫熷澶�锛屽啀鏍规摎(j霉)鑳介噺鏂圭▼锛屾柗闈腑蹇冨寮�(qi谩ng)娓涘皬
9銆佸鍦栨墍绀�锛屽緸姘寸寮曟按绠￠亾鐨凙BC娈电洿寰戠浉绛夛紝鍧囩偤200mm锛孋D鏈鐩村緫鐐�100mm锛孉B锛孊C锛孋D娈电殑姘撮牠鎼嶅け鍒嗗垾鐐�5锛�3 锛�2 (v鎸嘇BC娈电殑娴侀€�)锛屽墖绠￠亾涓殑娴侀噺Q鐐猴細

銆€銆€(A) Q=0.136m3/s;

銆€銆€(B) Q=0.221m3/s;

銆€銆€(C) Q=0.161m3/s;

銆€銆€(D) Q=0.301m3/s銆�

銆€銆€绛旀(A)

銆€銆€瑙ｆ瀽锛氫互鑷敱姘撮潰鐐哄熀婧�(zh菙n)闈�锛屾牴鎿�(j霉)鑳介噺鏂圭▼鍙煡(瑷�(sh猫)D铏曟祦閫熺偤vD)锛�0=-25+vD2/2g+5+3 +2 锛屽啀鐢遍€ｇ簩(x霉)鎬ф柟绋嬶紝vD脳0.1脳0.1=v脳0.2脳0.2锛岃伅(li谩n)绔嬪叐鏂圭▼寰楋紝v=4.341(m/s)锛屾晠绠￠亾涓殑娴侀噺Q=v脳(蟺脳0.22/4)=0.136(m3s)銆�

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