ʱ : 2016中级维修电工四级模拟练习?4)电子技术与电气测量 - 百度文库ϿʼĶ
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1.ѹʱӦѹB·
A B C D 2.ʱӦA·
A B C D 3.ӵѹʱСҲ棨D仯 A. B.ѹ C.ѹ D.ѹ 4.ӴͶӦڣC A Bѹ C D 5.ӴͶܿɹ(A )· AƵ BƵ CƵ DȫƵ 6.뵼ɵģмһΪA A Bդ C D
7ñijʱԼ1K˵ö(A) AѾ B״̬ Cڲϻͨ Dж 82.0 ȷȵֱ۵űʾ(B ) A0.2% B2% C20% D0.02%
9.ڵƽʱָС-ķƫתʱ˵C AͨƵӦȽϱ۵ĵ BͨƵСӦȽϱ۵ĵ CͨƵСӦСȽϱ۵ĵ DͨƵСӦСȽϱ۵ĵ
10.ڵƽʱָС+ķƫתʱ˵ (A) AͨƵӦȽϱ۵ĵ BͨƵСӦȽϱ۵ĵ CͨƵСӦСȽϱ۵ĵ DͨƵӦСȽϱ۵ĵ 11.ֱ˫۵ŵIJΪ A B C D
12.ֱ۵ŲŷķʱӦѡΪ(A ) A0.001 B0.01 C0.1 D1
13.ֱ۵ŲʮŷʱӦѡΪB A.0.001 B.0.01 C.0.1 D.1
14.ֱ۵ڲֵ裬ֱ˫۵ŲڣBŷ A.10 B.1 C.20 D.30
15.ֱ۵ŲСֵʱų(A)ֱ˫۵ԡ Aߵ輰Ӵ Bߵ輰ű۵ Cű۵輰Ӵ Dű۵輰ߵ 16. ֱ˫۵ŴﵽƽʱֵΪA
A.ʶɵ B. ʶű۵ C. ű۵̶ D. ű۵ɵ
17.ֱ˫۵Źʱ(A )ص㡣 A BС Cѹ DѹС 18.ֱ۵ʹãCֱԴ A6 B5 C4.5 D3
19.ֱ˫۵Ϊ˼ٽӴӰ죬ڽʱҪA Aڵλ Bڵλڲ Cڵ Dڵ˵ڲࡣ 20ʾУBƫתʱƫ A Bٵ Cѹ D
21.ʾñĹģƱȿɴ(A) A.80~120Db B.80Db C.120Db D.40~60Db
22.ʾYͨԱźŽдȻӵʾģBƫתϡ A.ˮƽ B.ֱ C.ƫ D.ƫ
23.ʾXͨԱźŽдȻӵʾģAƫתϡ A.ˮƽ B.ֱ C.ƫ D.ƫ
24.ִ洢ʾƵDzźŴģC A.3 B.4 C.6 D5
25.BʺֳҪõعʾ
Ąʽʾ Bֳʾ Cģʾ Dʾ 26.ͼʾDzԹӵģB A.ѹͨ B. ѹ C.ƫ D.ƫѹͨ 27.ܺƵʷΧһΪD.
A.5Hz ~20MHz B.1KHz~10MHz C.500Hz~20MHz D.100Hz~10MKz
28.ͺKS20-8е8ʾ(A)
A.ߵѹ800V B. ߵѹ80V C.ߵѹ8V D.ߵѹ8Kv
29ܺСһΪ(B) A10mV B1mV C1V D0.1V 30.вǾܺ(B )
A Bȵ C迹 DС 31.ܺרߣβ㡢оֱ(B )
Aźߡӵ Bӵߡź Cߡź Dߡӵ 32.Ƶźŷ(B )
Aѹ Bѹ C Dѹ 33.ƵźŷƵʷΧΪ(A)
A20HZ~200KHZ B100HZ~1000KHZ C200HZ~2000KHZ D10HZ~2000KHZ 34.źŷCMOS ƽΪ(A) A315 B3 C5 D15
35.źŷķֵ˥20dBʾźţC A˥20 B˥1 C˥10 D˥100 36.ӦѡãB
Aŵϵ Bϵ CӦϵ Dϵ
37.DZȡöķɷΪ(D ) Aָʽ Bʽ C¼ʽ D϶ 38.DZƷΪ(A )ȡ
Aѹʱȱ Bѹŷķʾ Cѹźŷ Dʱʾ 39.繤DZԭΪ(D )ȡ
Aŵϵ Bϵ C綯ϵ D϶
40.ŷĽ߶˱( A)
AӵE·LG Bӵ NͨLԵG Cӵ EͨLԵG Dӵ NͨGԵL 41.ֵʱֳʽñʾA A1 B C0 D
42.ֳʽñĵԴѹΪD A6 B5 C4 D9
43.7879ϵ˼ѹ·ķװͨãA A.TO-220 TO-202 B.TO-110 TO-202 C.TO-220 TO-101 D.TO-110 TO-220
44CW7806 ѹΪ( A) A6V1.5A B6V1A C6V0.5A D6V0.1A
45.CW78L05˼ѹѹΪB A5V1A B5V0.1A C5V0.5A D5V1.5A
46һ˼ѹ·ʱҪѹѹٸ(A )V A2 B3 C4 D1.5
47.˼ѹCW317ѹΪD A.1.25 B.5 C.20 D.1.25~37
48.˼ѹ·W317ѹΧΪAV A1.2537 B17 C7 D6 49.С1á0ȫ0á1ϵǣD A. B C. D. 50.С0á0ȫ1á1ϵ(B ) A B C D 51.С1á1ȫ0á0ϵǣA A B C D 52.С0á1ȫ1á0ϵǣD A B C D 53.ĸƷڣA.
A.Ե B.ҺԵ C.Ե D.Ե 54.˫բǣA뵼ṹ A.IJ B. C. D. 55.ᾧܵĽṹ(B ) A1 B2 C3 D4
56.ᾧַǣD
A. C1C2 B.D1D2 C.E1E2 D.B1B2 57.ᾧܷ伫ַ(C) AC BD CE DF
58.ᾧܵĽṹ(C )PNᡣ A4 B3 C1 D2
59.ᾧһ͵(D ) AЧ Bբ C D 60ͨբܱP (D ) A©BCżD 61ͨբܵĶԹƵ(C )ƽֵʾġ ADzBCҰ벨Dȫ 62.ͨբܵĶѹãBʾġ
AЧֵ Bֵ Cƽֵ DСֵ
63.ϱעķ22ʾõֵΪ( B)A0.2 B2.2 C22 D0.22
64.ϱעķ224ʾΪ22䵥λ(D ) AF Bf CmF DpF 65.ʹõʱ(B )
AӸߵλӵ͵λ BӸߵλӵ͵λ CӸߵλҲԽӸߵλ D 66.˷ͨ(B )ɡ
A3 B4뼫м伫ƫõ· C5 D6 67.뼯˷Ϊ(C)
A.10? B.100? C.0 D.1K?
68.˷ſѹŴͨڣCdB A60 B80 C80~140 D100 69.뼯˷ŵIJģΪ(D)
A1Mŷķ B2Mŷķ C3Mŷķ D 70.вǼ˷ŵķӦõ(C )
AȽBͻرȽCӦDȽ 72˷·ͨ(D )ɡ
AŴ· B缫Ŵ· CŴ· DŴ· 73ƬɹʷŴĹͨ(B )ҡ A10 B1 C5 D8
74.ʺϸƵ·Ӧõĵ·(C )
A伫Ŵ· B缫Ŵ· CŴ· DŴ· 75.ͨźŷźŲ(D ) AҲ BDz Cβ D϶
76.ΪӴù缫Ŵ·ģBԡ
A. B.С C. D.С 77СķŴ·(C )
A伫Ŵ·B缫Ŵ· CŴ·DŴ· 78.ڴݽźţ·ṹϷʽ(A ) A Bѹ Cֱ D 79.Ҫȶѹٵ·Ӧѡ(B ) Aѹ Bѹ C D 80.ҪȶС·Ӧѡ(D ) Aѹ Bѹ C D 81.Ҫȶ·Ӧѡ(C)
Aѹ Bѹ C D
ﴮʹ·ӣʹ·С 82.伫 С˵õ·ģA
Aǿ B. CǰźԴ D.ȡźǿ 83.伫Ŵ·ȹŴ·(B) A. B.С C. D.
84.ڴݽźҾ迹ƥϷʽ(B )