电梯理论选择题

涓夈€侀€夋嫨棰橈細

锛?d 锛?銆佺數姊湪杩愯杩囩▼涓潪姝ｅ父鍋滆溅鍥颁汉锛屾槸涓€绉? 鐘舵

€併€?

A銆佹甯? B銆佹淇? C銆佸嵄闄? D銆佷繚鎶?

锛?D锛?銆佸畨鍏ㄨЕ鏉垮畨瑁呭湪( )銆?

A銆佽娇鍘㈠唴閮? B銆侀《閮? C銆佽娇绠卞簳閮? D銆佽娇

闂ㄤ笂

锛坆锛?銆佺數姊姤璀﹁缃紝鑷冲皯鏈夎閾冿紝鎻愬崌楂樺害 m浠ヤ笂

鏃跺簲鏈夊璁茶缃垨鐢佃矾锛屽苟鑳戒笌鏈変汉鍊煎畧鐨勫€肩彮瀹よ仈绯汇€?

A銆?5 B銆?0 C銆?5 D銆?0

锛?c 锛?銆佲€滈浂銆佸湴鍒嗗紑鈥濆簲鐞嗚В涓? 鍜? 濮嬬粓鍒嗗紑銆?

A銆侀浂绾匡紱涓€х嚎N锛? B銆侀浂绾匡紱淇濇姢绾縋E锛?C銆佷腑鎬х嚎N

锛涗繚鎶ょ嚎PE锛?D銆佷腑鎬х嚎N锛涚浉绾匡紱

锛?d 锛?銆佸畨鍏ㄩ挸妤斿潡闈笌瀵艰建渚ч潰闂撮殭搴斾负 mm锛屽悇闂撮殭鍧

囧寑涓€鑷淬€傚鍘傚鏈夎姹傛椂锛屽簲鎸夎姹傝皟鏁淬€傚叾妫€楠屽伐鍏峰簲

浣跨敤銆?

A銆?~3锛涚洅灏猴紱銆€ B銆?~4锛涘灏猴紱銆€銆€銆€C銆?~3锛涚洿瑙

掑昂锛? D銆?~4锛涙枩濉炲昂锛?

锛?c 锛?銆侊紙闂存帴锛夐潪鐩撮《寮忔恫鍘嬬數姊殑鎮寕閽笣缁冲簲涓嶅皯浜? 鏍癸紝閽笣缁崇洿寰勪笉灏忎簬 mm锛? 瀹夊叏绯绘暟涓嶅皬浜? 銆?

A銆?锛?锛?0锛? B銆?锛?锛?0锛? C銆?锛?锛?2锛涖€€ D銆?锛?锛?2

锛?d 锛?銆佸噺閫熺銆佺數鏈哄拰鏇冲紩杞酱鎵跨瓑澶勫簲娑︽粦鑹ソ銆傝湕鏉嗚酱

浼稿嚭绔笚婕忔补闈㈢Н姣忓垎閽熶笉瓒呰繃 cm2锛屾补娓╀笉瓒呰繃鈩冦

€?

A銆?.0锛?5锛? B銆?.5锛?5锛? C銆?.0锛?5锛? D銆?.5锛?5锛?

锛?d 锛?銆佽娇鍘㈠湴鍧庝笌鍘呴棬鍦板潕闂磋窛锛屽浗鏍囪瀹氾細鎸夎璁″厑宸? 锛屼笖涓嶅ぇ浜? mm銆?

A銆?2 -1锛?5 B銆?2 -1锛?0 C銆?3 -0锛?5 D銆?3 -0锛?5

锛?d 锛?銆佹洺寮曠數姊繍琛岄€熷害妫€楠岋紝鍦ㄩ瀹氭潯浠朵笅锛岀數姊殑閫熷

害搴斾笉澶т簬棰濆畾閫熷害鐨? %锛屼笉灏忎簬棰濆畾閫熷害鐨? %銆?

A銆?02锛?0锛? 銆€ B銆?02锛?2锛涖€€ C銆?05锛?5锛涖€€銆€ D

銆?05锛?2锛?

锛?c 锛?0銆佺數姊瀹氶€熷害鏄寚锛? 銆?

A銆佺數鍔ㄦ満鐨勯瀹氶€熷害锛涖€€銆€銆€銆€B銆佸畨瑁呰皟璇曚汉鍛

樿皟瀹氱殑杞垮帰杩愯閫熷害锛?

C銆佺數姊璁℃墍瑙勫畾鐨勮娇鍘㈤€熷害锛涖€€銆€D銆佺數姊娇鍘㈣

繍琛岀殑鏈€楂橀€熷害

锛?b 锛?1銆佽娇鍘㈠簳閮ㄦ挒鏉夸腑蹇冧笌缂撳啿鍣ㄤ腑蹇冪殑鍋忓樊涓嶅ぇ浜? mm

锛涜€楄兘鍨嬬紦鍐插櫒鐨勬煴濉炲瀭鐩村害鍋忓樊涓嶈兘澶т簬 %銆?

A銆?5锛?锛? B銆?0锛?锛? C銆?5锛?锛? D銆?0锛?0锛?

锛?d 锛?2銆佽娇鍘笌瀵归噸鍙婂叾杩炴帴閮ㄤ欢涔嬮棿鐨勬渶灏忚窛绂讳笉灏忎簬

mm銆?

A銆?5 B銆?0 C銆?5 D銆?0

锛?b 锛?3銆佺數姊伐浣滄椂鐢靛帇娉㈠姩鍏佽銆?

A銆伮?% B銆伮?% C銆伮?% D銆伮?0%

锛?c 锛?4銆佽娇闂ㄥ湴鍧庝笅鍦ㄥ叏閮ㄥ搴︿笂搴旂敤闀垮害涓嶅皬浜? m锛屼笅绔悜鍐呮姌杈圭殑鎶よ剼鏉裤€?

A銆?.35 B銆?.50 C銆?.75 D銆?.0

锛?d 锛?5銆佸姩鍔涚數璺殑缁濈紭鐢甸樆搴斿ぇ浜? M惟銆?

A銆?.25 B銆?.20 C銆?.30 D銆?.5

锛?b 锛?6銆佸綋鐢垫鍦ㄥ紑閿佸尯鍐咃紝骞跺垏鏂棬鐢垫満鐢垫簮鎴栧仠鐢垫椂锛屽簲鑳戒粠杞垮帰鍐呴儴鐢ㄦ墜灏嗛棬鎷夊紑锛屽紑闂ㄧ殑鍔涘簲涓嶅ぇ浜? N锛屼絾搴斿ぇ浜? N銆?

A銆?50锛?0 B銆?00锛?0 C銆?00锛?00 D銆?50锛?5

锛?b 锛?7銆佹瘡鏍瑰杞ㄨ嚦灏戝簲鏈? 涓杞ㄦ敮鏋讹紝鍏堕棿璺濅笉澶т簬m銆?

A銆?锛? B銆?锛?.5 C銆?锛? D銆?锛?

锛?b 锛?8銆侀瀹氳浇鑽蜂负1000Kg锛屽钩琛＄郴鏁颁负鐨勭數姊紝褰撹娇鍐呮壙杞? Kg鏃讹紝璐熻浇杞窛鏈€灏忥紝鐢垫澶勪簬鏈€浣崇姸鎬併€?

A銆?.4锛?00 B銆?.45锛?50 C銆?.5锛?00 D銆?.45锛?00 锛?a 锛?9銆侀檺閫熷櫒缁崇殑鐩村緞搴斾笉灏忎簬 mm銆?

A銆?锛? B銆?锛? C銆?锛? D銆?锛?

锛?c 锛?0銆侀檺閫熷櫒娑ㄧ怀杞笅钀? mm鏃讹紝鍏跺畨鍏ㄥ紑鍏冲繀椤诲姩浣溿€?

A銆?00 B銆?00 C銆?0 D銆?0

锛?c 锛?1銆佸浜庡畨鍏ㄥ紑鍏崇殑杞姩閮ㄥ垎锛屽彲鐢? 娑︽粦銆?

A銆佺煶澧ㄧ矇 B銆侀挋鍩鸿剛 C銆佸嚒澹灄 D銆佹満娌? 锛?b 锛?2銆佹洺寮曠怀鐨勫簳绔笌缁虫Ы搴曠殑闂磋窛灏忎簬鏃讹紝缁虫Ы搴旈噸鏂板姞宸ユ垨鏇存崲鏇冲紩杞€?

A銆?.7mm B銆?mm C銆?mm D銆?mm

锛? c 锛?3銆佸鏋滄寜杞垮帰鎵€鑾峰姩鍔涘尯鍒嗭紝鍦ㄧ敤鐢垫浣跨敤鏈€澶氱殑鏂瑰紡鏄? 銆?

A: 鏌卞寮?B:铻烘潌寮?c:鏇冲紩寮?D:榻挎潯榻胯疆寮?

锛? b 锛?4銆佺數姊檺閫熷櫒鍔ㄤ綔鏃讹紝鍏剁數鍣ㄨ繛閿佽缃簲璇? 銆?

A. 鍔ㄤ綔骞惰兘鑷姩澶嶄綅

B.鍔ㄤ綔涓斾笉鑳借嚜鍔ㄥ浣?

C. 涓嶅姩浣?

D.闄愬埗鐢垫鐨勮繍琛岄€熷害

锛? d 锛?5銆佽皟鏁寸數姊殑骞宠绯绘暟鏃讹紝瀵归噸鍧楁斁澶氬皯锛屽簲鏍规嵁鏉ョ‘瀹氥€?

A.杞垮帰鐨勮嚜閲?

B.鐢垫鐨勯瀹氶€熷害

C.棰濆畾杞介噸閲?

锛? c 锛?6銆佸湪瀹夎杩囩▼涓墍璇寸殑鏍囬珮卤0鏄寚銆?

A銆佹捣鎷旈珮搴? B.浠ュ缓绛戠墿澶栫殑鍦伴潰涓哄熀鍑? C.寤虹瓚鐗╅灞傜殑鍦伴潰 D.寤虹瓚鐗╃殑鍩虹闈?

锛? d 锛?7.鐢垫鍦ㄥ悜涓婅繍琛屼腑锛屾壋鍔ㄦ秷闃插紑鍏筹紝鐢垫搴? 銆?

A鍋滀綋姊?B.灏辫繎鎹㈤€熷仠杞﹀緟鍛?C.娌″弽搴? D.灏辫繎鎹㈤€熷仠杞﹁繑鍥炲熀绔?

( a )28銆?棰濆畾閫熷害澶т簬 m/s鏃跺簲閲囩敤娓愯繘寮忓畨鍏ㄩ挸銆?

A.0.63

B.0.75

C.1.0

D.1.15

锛?c 锛?9銆? 寮€鍏冲姩浣滃簲鍒囨柇鐢垫蹇€熻繍琛岀數璺€?