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2020һʦۺǿѡ⣨10

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1 ⣺ѡ

ԶˮϵͳУͨϵͳӦܶϰװ( )Կƹܵѹ

A. ˮ

B. ϵͳӦܶϰװ C.ϵͳӦܶϰװѹװD.ѹ

E.ϵͳӦܶϰװѹ

ȷ𰸡AE

ͨϵͳӦܶϰװѹװ߽ܣԿƹܵѹͨ÷ˮϵͳӦܶϰװѹԿƹܵѹ

2 ⣺ѡ

ijҽԺ¥¥40m12㣬ֶλˮм飬вҪ()

A. ˮøֽ죬ݶ¶ãˮ˿׺ͷžȡ߱ʩˮЧݻΪ50

B. ˮóˮȿڣδֹˮ䴦ЧˮλʱˮȿڵûΪ500mm

C. ˮùܾΪD.N40ĽˮܣˮԣΪˮˮʱ7.5h

D. ˮһڰװйܵһýͨ¥ݼǽ֮ľ1.2mûаװܵһھ¥Ůǽľ0.m뽨ǽԶ

E. ˮĽˮˮλϷˮܹܿڵ͵߳Եĸ߶Ϊ120mmֱܵΪD.N0

ȷ𰸡ABE

λˮɲȽпְ塢ְֽȽ졣λˮݶ¶ʱˮ˿ԼˮܵķŵӦȡ߻ȱʩϺȶˮӦˮڣڣݶ¶ ʱӦȡȵȰȫʩ(AϣĿ˵ǹĸλˮ䲻¶)

Bϣܵ600mm;ˮܵĹܾӦˮhˮҪ󣬵ܾӦСDN32ˮҺλ(C)λˮ뽨ṹǽر֮ľ룬ӦʩװҪ޹ܵIJ棬벻С0.7mװйܵIJ棬಻С1.0m(D)

ˮӦˮλϽ룬ˮܿڵ͵߳Եĸ߶ӦڽˮܹܾСӦС100mmӦ150mmֱܵӦСڽˮܹܾ2ҲӦСDN100(E)

3 ⣺ѡ

ijҵۺ壬㣬㣬߶ 27mÿ㽨 10000 O,ײڲн֣ͨжнֽаȫɢʱȷ( )

A. нֵijȲ˴ 300m

B. нཨ֮Ӧͻ޲ 2.00h ķǽÿ̵Ľ˴300 OC.нֵĶӦòȼȼϣؽṹͻ޲Ӧ 1.00hнڲӦÿȼ

D.нֵĶܾĸ߶ȲӦС 6.0mӦȻʩ˲óʽ̿ڣȻ Ч Ӧ С 25% E.нһ㵽ⰲȫصIJо벻Ӧ 60mнཨ㼰ϸ̵ɢòɢ¥ݿڻȫڵֱ߾벻Ӧ 30m

ȷ𰸡ABCD

4 ⣺ѡ

йڸɷϵͳѹʹɨ˵ȷ( )

A. ˮˮѹ͹ϴ

B. ˮѹǿʱԵѡϵͳߵ㣬ﵽѹѹ 5min 󣬹й©ޱΪϸ

C. ˮѹǿ߱ʱɲ

D. ɨɲѹɲðײ飬ֱ⡢ˮռ

E. ʱѹѹضԴ 3min ѹѹ10%Ϊϸ

ȷ𰸡ADE

ˮѹǿʱԵѡϵͳ͵;עˮʱڵĿžԲ0.5MPa/sʻѹѹﵽѹѹ5minй©ޱ ΡBѡ

ˮѹǿ߱ʱɲѹǿ棬Cѡ

5 ⣺ѡ

شָΥ棬ܵ»ַΣ󣬲ɴ˿ش¹ʺӰĸDZڲȫءЩɲжΪش()

A. ĵ

B. ұ׼޶(ɷȷ涨ij) C.ش֤

D.ֲԵ»¹ʻӰE.߱׼ȫʩ

ȷ𰸡ABD

һɲжΪشĵ;ұ׼޶(ɷȷ涨ij);ش֤ѲȡӦʩ ;ֲԵ»¹ʻӰġ

6 ⣺ѡ

ij̳õʽԶˮϵͳȼ 1 ĩˮװãˮָʾѹضˮˮ屨鷢ĩˮװóˮѹΪ 0.05MPa ˮ岻ܳйˮ岻ܳԭȷ( )

A.ˮ尲װԲҪB.ӳ²ijˮױC.崸│ס

D. ·ϵĹˮùˮѹ

E. ˮùˮѹ

ȷ𰸡AC

7 ⣺ѡ

ԽܻƼ㷽ȷģͣҪص۵ķ( )

A.ģ͵B.C.߶ȵĺD.ʱ䲽ĺ

E.ѡĺ

ȷ𰸡ACDE

ƪ¡ܻƷ뼼Ҫ

ԽܻƼ㷽ȷģҪص۵ļģ͵ԡ߶ȵĺԡʱ䲽ĺԡѡĺԡ

8 ⣺ѡ

йڳйѹʩ˵ȷ()

A.˲塢ǽйѹŴ B.˲ðȫڱըʱƬIJC.70kg/m3Ϊйѹʩ

D. ݶϵйѹʩӦȡѩ۴ʩ

E. ӦܿԱܼҪͨ·ԶбըΣյIJλ

ȷ𰸡BD

Aǽ塱ӦΪǽ塱;CΪйѹʩǽ˴60kg/m3DԶбըΣյIJλӦΪӦбըΣյIJλ

9 ⣺ѡ

йʩάԱҵʸҪУȷ( )

A.ʩάԱ뾭ҵйְҵܼ춨ϸ񣬳и߼ϵȼְҵʸ֤B.ʩ⡢άĿԱ뾭עʦԺϸ һ߶עעʦְҵʸ֤ C.ʩֵࡢѲԱ뾭ҵйְҵܼ춨ϸ񣬳гְҵʸ֤D.ʩάԱ뾭ҵйְҵܼ춨ϸ񣬳мʦȼְҵʸ֤ E.ʩ⡢Ա뾭ҵйְҵܼ춨ϸ񣬳и߼ϵȼְҵʸ֤

ȷ𰸡BCDE

10 ⣺ѡ

ijҵලʱָùҵҳͲֿͻȼϹ淶Ҫ󣬻ȡϢвϹ淶Ҫ( )

A. ij߶Ϊ 25m ı㳧ͻȼΪ

B. ijĽΪ 300 Oļ൥㳧ͻȼΪ

C. ijΪ 4t/h ȼ͹¯ͻȼΪ

D. ij߶Ϊ 15m 3 2 ֿ⣬ͻȼΪ

E. ͽѹңͻȼΪ

ȷ𰸡AC

߲㳧ס೧ͻȼӦڶ;೧Ͷ㶡೧ͻȼӦ

300OĶס൥㳧ɲͻȼĽ

ʹûҺijл𻨡ȱ桢Ķ೧ͻȼӦڶΪ500Oĵ೧1000Oĵ㶡೧ʱ ɲͻȼĽ

ٸ߲㡢ҡҺ塢¡

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