2020闆绘埃宸ョ▼甯€冭│銆婁緵閰嶉浕銆嬬反缈�(x铆)椤�(8)
鐎忚
鏀惰棌
鐩搁棞(gu膩n)鎺ㄨ枽銆嬨€�2020闆绘埃宸ョ▼甯€冭│銆婁緵閰嶉浕銆嬬反缈�(x铆)椤屽尟绺�
2020闆绘埃宸ョ▼甯€冭│銆婁緵閰嶉浕銆嬬反缈�(x铆)椤�(8)
1.闆绘姗熸埧銆佽綆寤傚拰浜曢亾涓浕姘ｈ缃殑闁撴帴鎺ヨЦ淇濊锛屾噳(y墨ng)绗﹀悎鐨勮(gu墨)瀹氭湁( )銆�
A.姗熸埧鍜岃綆寤傜殑闆绘埃瑷�(sh猫)鍌�銆佷簳閬撳収(n猫i)鐨勯噾灞欢鑸囧缓绛戠墿鐨勭敤闆昏ō(sh猫)鍌欙紝閲囩敤鍚屼竴鎺ュ湴鍨嬪紡淇濊锛屽彲涓嶅彟瑷�(sh猫)鎺ュ湴瑁濈疆
B.鏁村€嬮浕姊缃殑閲戝爆浠讹紝鎳�(y墨ng)閲囧彇绛夐浕浣嶉€ｆ帴鎺柦
C.杞庡粋鎺ュ湴绶氬鍒╃敤闆荤簻鑺窔鏅備笉寰楀皯浜庡叐鏍�锛岄噰鐢ㄩ妳鑺皫(d菐o)楂旀檪锛屾瘡鏍硅姱绶氭埅闈笉寰楀皬浜�2.0m銕�
D.鍦ㄨ綆闋傘€佹鎴�銆佹粦杓枔鍙婂簳鍧�锛屾噳(y墨ng)瑁濇湁2P+PE鍨嬬殑闆绘簮鎻掑骇
2.浣庡绯荤当(t菕ng)鎺ュ湴鍨嬪紡鏈�( )绛�銆�
A.TN
B.TN-C-N
C.IT
D.TN-C-S
3.涓嬪垪琛ㄨ堪鏈夎鐨勬槸( )銆�
A.浜哄伐鎺ュ湴楂旈噰鐢ㄨ閶煎湴涓嬫暦瑷�(sh猫)鏅傦紝鏈€灏忓帤搴︾偤4mm
B.鍩嬪湪澶у湴涓殑鎺ュ湴绶�锛岀劇闃茶厫淇濊涓旀湁姗熸淇濊閵呭皫(d菐o)楂旀渶灏忔埅闈㈢偤25m銕�
C.鎵嬫彙寮忓強绉诲嫊寮忕敤闆昏ō(sh猫)鍌欑殑閰嶉浕绶氳矾锛屽疁瑷�(sh猫)缃墿浣欓浕娴佷繚璀�锛屽叾鍕曚綔闆绘祦鐐�30mA
D.寤虹瓚鏂藉伐宸ュ湴鐨勭敤闆昏ō(sh猫)鍌欓厤闆荤窔璺紝瀹滆ō(sh猫)缃墿浣欓浕娴佷繚璀�锛屽叾鍕曚綔闆绘祦鐐�20锝�50mA
4.闆诲瓙瑷堢畻姗熸鎴夸綆澹撻厤闆荤郴绲�(t菕ng)锛屾噳(y墨ng)閲囩敤闋荤巼鐐�50Hz銆侀浕澹撶偤220/380V鐨�( )绯荤当(t菕ng)鎺ュ湴褰㈠紡銆�
A.IT
B.TN-S
C.TN-C
D.TN-C-S
5.闆诲瓙瑷�(sh猫)鍌欎竴鑸噳(y墨ng)鍏锋湁( )鎺柦銆�
A.鍔熻兘鎺ュ湴
B.鍔熺巼鎺ュ湴
C.淇濊鎺ュ湴
D.鐩存祦鎺ュ湴
6.涓嬪垪( )鎯呮硜涓�锛岄爤浣滆紨鍔╃瓑闆讳綅閫ｆ帴銆�
A.闆绘簮缍�(w菐ng)绲�(lu貌)闃绘姉閬庡ぇ锛屼娇鑷嫊鍒囨柗闆绘簮鏅傞枔閬庨暦锛屼笉鑳芥豢瓒抽槻闆绘搳瑕佹眰鏅�
B.浣庡绯荤当(t菕ng)鎺ュ湴鍨嬪紡鐐篒T鏅�
C.鑷猅N绯荤当(t菕ng)鍚屼竴閰嶉浕绠变緵绲﹀浐瀹氬紡鍜岀Щ鍕曞紡鍏╃ó闆绘埃瑷�(sh猫)鍌欙紝鑰屽浐瀹氬紡瑷�(sh猫)鍌欎繚璀烽浕鍣ㄥ垏鏂烽浕婧愭檪闁撹兘婊胯冻绉诲嫊寮忚ō(sh猫)鍌欓槻闆绘搳瑕佹眰鏅�
D.鐐烘豢瓒虫荡瀹ゃ€佹父娉虫睜銆侀啱(y墨)闄㈡墜琛�(sh霉)瀹ょ瓑鍫存墍灏嶉槻闆绘搳鐨勭壒娈婅姹傛檪
7.TN-C鍙奣N-C-S绯荤当(t菕ng)涓殑PEN灏�(d菐o)楂�锛屾噳(y墨ng)婊胯冻鐨勬浠舵湁( )銆�
A.蹇呴爤鎸夊彲鑳介伃鍙楃殑鏈€楂橀浕澹撶禃绶�
B.瑁濈疆澶栫殑鍙皫(d菐o)闆婚儴鍒�锛岀敤渚嗕唬鏇縋EN灏�(d菐o)楂�
C.TN-C-S绯荤当(t菕ng)涓殑PEN灏�(d菐o)楂�锛屽緸鍒嗛枊榛炶捣涓嶅厑瑷卞啀鐩镐簰閫ｆ帴
D.鐓ゆ埃绠′綔鎺ュ湴绶氬拰淇濊绶�
8.涓嬪垪閬搁爡涓紝( )涓嶅厑瑷辩敤浣滄帴鍦扮窔鎴栦繚璀风窔銆�
A.姘寸叅姘ｇ
B.钖勫閶肩鎴栧鐨�
C.淇濇韩绠＄殑閲戝爆缍�(w菐ng)
D.铔囩毊绠�
9.涓嬪垪琛ㄨ堪姝ｇ⒑鐨勬槸( )銆�
A.娓告吵姹犲拰鍦颁笂姘存睜鐨勬按涓嬬噲锛屽彧鍏佽ū閬哥敤妯�(bi膩o)绋遍浕澹撲笉瓒呴亷24V鐨勫畨鍏ㄨ秴浣庡渚涢浕
B.鐐洪槻姝㈤浕姘ｇ伀鐏�(z膩i)鑰岃ō(sh猫)缃殑鍓╀綑闆绘祦淇濊鍣�锛屽叾鍕曚綔闆绘祦涓嶅ぇ浜�500mA
C.鎳�(y墨ng)鎬ョ敤鐧�(f膩)闆绘绲�锛屽缓璀伴噰鐢↖T鎺ュ湴绯荤当(t菕ng)
D.闆绘埃娑堥槻绯荤当(t菕ng)鐛ㄧ珛鎺ュ湴瑁濈疆鎺ュ湴闆婚樆鏈€灏忓€肩偤10Ω
10.闆绘埃淇濊鎬ф帴鍦�锛屼富瑕佸寘鎷�( )绛�銆�
A.闃查浕鍖栧(xu茅)鑵愯潟鎺ュ湴
B.鐩存祦鎺ュ湴
C.闃查浄鎺ュ湴
D.闃查潨闆绘帴鍦�
绛旀锛�1.AB銆€2.AC銆€3.CD銆€4.BD銆€5.BC銆€6.AD銆€7.AC銆€8.BCD銆€9.BC銆€10.ACD
濡傛灉鎯冲強鏅備簡瑙�2020骞撮浕姘ｅ伐绋嬪斧鑰冭│鍫卞悕鏅傞枔銆佽€冭│鏅傞枔绛�锛屽彲浠� 鍏嶈不闋�(y霉)绱勭煭淇℃彁閱�;闋�(y霉)绱勬垚鍔熶箣鍚庯紝鎮ㄥ皣鏈冨強鏅傛簴(zh菙n)纰哄湴鎺ユ敹鍒�2020骞磋€冭│鏅傞枔銆佽€冭│鍫卞悕鏅傞枔绛夐噸瑕佹檪闁撶殑淇℃伅閫氱煡!
鍦ㄦ偍鍌欒€冮亷绋嬩腑锛屽鏋滄兂瑕佹洿澶氱反缈�(x铆)椤�锛屽彲榛炴搳涓嬫柟鎸夐垥鍏嶈不涓嬭級鍖呮嫭妯℃摤椤屽湪鍏�(n猫i)鐨勫倷鑰冭硣鏂欙紝鏇村绮捐彲璩囨枡鎸佺簩(x霉)鏇存柊涓�……
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