1 DMRC Paper - Electrician Ans-1
1 DMRC Paper - Electrician Ans-1
A
Question Booklet No. :–
ç'u iqfLrdk J`a[kyk %& ç'u iqfLrdk la[;k %&
2. Five year plan which was recently approved by National 2. jk’Vªh; fodkl ifj’kn }kjk gky gh esa eatwj fd;k x;k iapo’kÊ; ;kstuk
Development Council is: gS%
(1) 12th, (2012–17) (2) 13th, (2013–18) (1) 12oha (2012–17) (2) 13oha (2013–18)
(3) 12th, (2013–18) (4) 13th, (2012–17) (3) 12oha (2013–18) (4) 13oha (2012–17)
4. What is the major objective of launching red ribbon 4. jsM fjcu ,Dlçsl çkjEHk djus dk eq[; mís”; D;k gS\
express? (1) ekvksokn ls çHkkfor {ks=ksa esa vkradh fØ;kdykiksa dk lkeuk djukA
(1) To combat terrorist activities in Maoist infected areas (2) ,pvkbZoh@,M~l ij cgq&[kaM ,oa cgq&fØ;k lkekftd lapyuA
(2) A multi–sectoral and multi–activity social mobilization (3) fnYyh esa çf”kf{kr efgyk iqfyl }kjk NsM+NkM+ dks jksdus ds fy,A
campaign on HIV/AIDS (4) Ldwyksa esa ckfydk f”k{kk dk;ZØe dks leFkZu nsus ds fy,A
(3) To fight eve– teasing in the Delhi by a trained group of
police women
(4) To support girl child education programme in schools
6. In which event Mary Kom has won the bronze medal in 6. yanu vksyfEid 2012 esa eSjh dkWe us eqôsckth ds fdl oxZ esa dk¡L;
Boxing in London Olympics 2012? ind thrk\
(1) Fly weight (2) Light flyweight (1) ¶ykbZ osV (2) ykbZV ¶ykbZ osV
(3) Middle weight (4) Heavy weight (3) feMy osV (4) gsoh osV
7. Who succeeded Ratan Tata to take over the 7. VkVk lUl dh v/;{krk dk dk;ZHkkj jru VkVk ds ckn 2012 esa fdlus
chairmanship of Tata Sons in 2012? xzg.k fd;k\
(1) Shappor jee Mistry (1) “kSIiksj th feL=h
(2) R Gopalkrishnan (2) vkj xksikyÑ’.ku
(3) Arun Kumar Gandhi (3) v:.k dqekj xka/kh
(4) Cyrus Mistry (4) lk;jl feL=h
8. Which of the following matters is not enumerated in the 8. uhps fy[ks fo’k;ksa esa dkSu&lk ^la?k lwph* esa ugha gS\
‘Union List’? (1) fons”k dk;Z
(1) Foreign Affairs (2) cSaddkjh
(2) Banking (3) la;qä jk’Vª la?k
(3) United Nations Organization (4) Ñf’k
(4) Agriculture
9. Which one among the following is not a dance form of 9. buesa ls dkSu&lk nf{k.k Hkkjr dk u`R; çk:i ugha gS\
South India? (1) Hkjr ukV;e~ (2) gÙkkjh
(1) Bharat Natyam (2) Hattari (3) dqphiqM+h (4) [kkUrqe
(3) Kutchipudi (4) Khantumm
(APT) [A-1]
10. What is the correct chronological order in which the 10. fczfV”k }kjk Hkkjr esa vius O;olk; dsUæksa dh LFkkiuk dk lgh
British established their trading centres in India? dkykuqØfed Øe D;k gS\
(1) Surat, Calcutta, Bombay, Madra (1) lwjr] dydÙkk] ckWEcs] eækl
(2) Suart, madras, Calcutta, Bombay (2) lwjr] eækl] dydÙkk] ckWEcs
(3) Madras, Calcutta, Bombay, Surat (3) eækl] dydÙkk] ckWEcs] lwjr
(4) Bombay, Calcutta, Madras, Surat (4) ckWEcs] dydÙkk] eækl] lwjr
13. Loktak lake is located in: 13. yksdrd >hy fLFkr gS%
(1) Meghalaya (1) es?kky;
(2) Nagaland (2) ukxkyS.M
(3) Manipur (3) e.khiqj
(4) Tripura (4) f=iqjk
16. Find the odd one out: 16. fo"ke dks igpkusa%
(1) Ajanta Caves (1) vtUrk dh xqQk,a
(2) Ellora (2) ,yksjk
(3) Elephanta Caves (3) ,yhQSUVk dh xqQk,a
(4) Charminar (4) pkjfeukj
17. The largest annual cattle fair in India is held here: 17. Hkkjr dk lokZf/kd cM+k okf"kZd i'kq esyk dgk¡ ij vk;ksftr gksrk gS%
(1) Sasaram (1) lklkjke
(2) Saharanpur (2) lgkjuiqj
(3) Sonepur (3) lksuiqj
(4) Jagdishpur (4) txnh'kiqj
18. The Union executive consists of: 18. la?k dk;Zikfydk esa 'kkfey gksrs gSa%
(1) President and Vice President (1) jk"Vªifr ,oa mijk"Vªifr
(2) President, Vice President and Council of Ministers with (2) jk"Vªifr] mijk"Vªifr ,oa ea=h ifj"kn ftlesa ç/kkuea=h mudk
Prime Minister as the Head eqf[k;k gksrk gS
(3) President and Prime Minister (3) jk"Vªifr ,oa ç/kkuea=h
(4) President and Council of Ministers with prime minister (4) jk"Vªifr ,oa ea=h ifj"kn ftlesa ç/kkuea=h mudk eqf[k;k gksrk gS
as a head
19. Which of the following is not a UN agency: 19. fuEufyf[kr esa ls dkSu&lh ,d lqa;ä jk"Vª dh ,tsUlh ugha gS%
(1) WHO (2) ILO (1) WHO (2) ILO
(3) FAO (4) SAARC (3) FAO (4) SAARC
20. How many ergs are there in 1 Joule: 20. ,d twy esa fdrus vxZ gksrs gSa%
2 4 2 4
(1) 10 (2) 10 (1) 10 (2) 10
6 7 6 7
(3) 10 (4) 10 (3) 10 (4) 10
(APT) [A-2]
21. Perimeter of a circle is equal to the perimeter of a square 21. 484 lseh-2 {ks=Qy okys ,d oxZ dk ifjeki ,d o`Ùk dh ifjf/k ds
2
whose area is 484 cm . What is the radius of the circle? cjkcj gSA o`Ùk dh f=T;k D;k gS\
(1) 14 cm (2) 12 cm (1) 14 lseh- (2) 12 lseh-
(3) 7 cm (4) 16 cm (3) 7 lseh- (4) 16 lseh-
22. Pujara has a certain average of runs for his 8 matches in 22. ckMZj xkoLdj VªkQh esa iqtkjk dk 8 eSpksa esa ,d fuf'pr vkSlr Ldksj
Border Gavaskar Trophy. In the ninth match he scores FkkA 9osa eSp esa mUgksaus 100 ju cuk;s vkSj blls mudk vkSlr 9 ju
100 runs and thereby increases his average by 9 runs. c<+ x;kA muds juksa dk u;k vkSlr D;k gS%
His new average of runs is:
(1) 28 (2) 24
(1) 28 (2) 24 (3) 20 (4) 32
(3) 20 (4) 32
23. Arjun and Aryan can finish a project in 27 days. Arjun 23. vtqZu ,oa vk;Zu ,d ifj;kstuk dks 27 fnu esa iw.kZ dj ldrs gSaA
alone can do 1/3 of this project in 15 days. In how many vtqZu bl ifj;kstuk dk 1/3 vdsys 15 fnu esa iw.kZ dj ldrk gSA
days can Aryan alone do the project: vk;Zu vdsys bl ifj;kstuk dks fdrus fnu esa iw.kZ dj ldrk gS%
1 1 1 1
(1) 67
2
days (2) 57
2
days (1) 67 fnu (2) 57 fnu
2 2
1 1
(3) 65
2
days (4) None of these (3) 65 fnu (4) buesa ls dksbZ ugha
2
24. An insect flies from the corner A to corner B of a cubic 24. ,d dhM+k ,d ?kuh; dejs ds fdukjs A ls fdukjs B dh rjQ 4
room in 4 seconds where A & B are diagonally opposite lsds.M esa mM+rk gSA tgk¡ A ,oa B fod.khZ; :i ls foijhr fdukjs gSA
corners. The side of the room is 4 m. The speed of the dejs dh Hkqtk 4 ehVj gSA dhM+s dh pky gS
insect is:
(1) √3 m/sec (2) 2√3 m/sec
(1) √3 m/sec (2) 2√3 m/sec (3) √2 m/sec (4) 2√2 m/sec
(3) √2 m/sec (4) 2√2 m/sec
25. Rajeev purchased 100 pieces of an article @ `480 per 25. jktho us ,d oLrq dh 100 ihl ` 480 çfr ihl dh nj ls [kjhnkA
piece. He then listed the price so as to gain a profit of mlds ckn mlus oLrq dh dher lwphc) dh rkfd mls 25% dk ykHk
25%. While selling the articles he offered a discount of gks ldsA oLrq dh fcØh djrs le; mlus 5% dh NwV nhA bl ysu&nsu
5%. What is the percentage of profit earned in the deal? esa fdrus çfr”kr dk ykHk gqvk\
(1) 18.75 (2) 19.50 (1) 18.75 (2) 19.50
(3) 15.00 (4) 20.00 (3) 15.00 (4) 20.00
26. In a certain code, PLATE is written as PQMBUF and 26. ,d fuf”pr dksM esa PLATE dks PQMBUF ,oa TOWN dks
TOWN is written as TUPXO. How is DEAR written in that TUPXO fy[kk tkrk gSA rks DEAR dks mlh dksM esa D;k fy[kk
code? tk;sxk%
(1) DDFBS (2) DEBFS (1) DDFBS (2) DEBFS
(3) DEFBS (4) DEFCS (3) DEFBS (4) DEFCS
27. In the following questions, analyse and select the 27. fuEufyf[kr ç'uksa esa fo'ys"k.k djrs gq, ml la[;kRed dksM dks pquas tks
numerical code best suited for the given word: fn;s gq, 'kCn dk loZJ"s B :i ls çfrfuf/kRo djrk gS%
RECESSION RECESSION
(1) 985533436 (2) 958544436 (1) 985533436 (2) 958544436
(3) 985877326 (4) 898987423 (3) 985877326 (4) 898987423
28. A is older than B but younger than C. D is younger than 28. ^A* ^B* ls cM+k gSA ijUrq ^C* ls NksVk gSA ^D* ^E* ls NksVk gS ijUrq
E but older than A. If C is younger than 'D', then who is ^A* ls cM+k gSA ;fn ^C* ^D* ls NksVk gS rks lcls cM+k dkSu gS%
the oldest of all? (1) A (2) C
(1) A (2) C (3) D (4) E
(3) D (4) E
29. Suman travels 20 km towards the North, turns left and 29. lqeu 20 fd-eh- mÙkj dh rjQ ;k=k djrh gS] ck;sa eqM+dj 4 fd-eh-
travels 4 km and then again turns right and covers pyrh gS ,oa iqu% nkfgus eqM+dj 5 fd-eh- dh nwjh r; djrh gS vkSj
another 5 km and then turns right and travels another 4 iqu% nkfgus eqM+ tkrh gS ,oa 4 fd-eh- dh nwjh r; djrh gSA çkjEHk
km. How far is she from starting point? fcUnq ls og fdruh nwjh ij gS\
(1) 24 kms (2) 25 kms (1) 24 fd-eh- (2) 25 fd-eh-
(3) 33 kms (4) 28 kms (3) 33 fd-eh- (4) 28 fd-eh-
(APT) [A-3]
30. Puneeta, Sunita, Geeta, Palak, Mahak and Kanak are 30. iquhrk] lquhrk] xhrk] iyd] egd ,oa dud ,d iafä esa [kM+s gSaA
standing in a row. Sunita is between Kanak and Palak. lquhrk dud ,oa iyd ds e/; esa gSA egd] iquhrk ,oa xhrk ds e/;
Mahak is between Puneeta and Geeta. Puneeta does not esa gSA iquhrk] dud ;k iyd ds Bhd ckn [kM+h ugha gSA xhrk iyd ds
stand next to either Kanak or Palak. Geeta does not Bhd ckn [kM+h ugha gSA dud O;fä;ksa ds fdl tksM+s ds e/; esa gS%
stand next to Palak. Kanak is between which of the
(1) xhrk ,oa lquhrk
following pairs of persons?
(2) iyd ,oa xhrk
(1) Geeta and Sunita (3) egd ,oa lquhrk
(2) Palak and Geeta
(4) buesa ls dksbZ ugha
(3) Mahak and Sunita
(4) None of these
31. If 16 ⊕ 27 = 48 and 23 ⊕ 39 = 51 then what will be the 31. ;fn 16 ⊕ 27 = 48 ,oa 23 ⊕ 39 = 51 rks 25 ⊕ 48 dk eku D;k
value of 25 ⊕ 48 = ? gksxk\
(1) 47 (1) 47
(2) 63 (2) 63
(3) 53 (3) 53
(4) 57 (4) 57
DIRECTIONS: Read the following information given below and funsZ”k% Ukhsps nh xbZ lwpuk dks if<+;s vkSj mu ij vk/kkfjr iz”Uk dk mÙkj
answer the question that follow. nhft,&
A * B means A and B are the same age. A * B dk vFkZ gS A vkSj B leku mez ds gSaA
A – B means B is younger than A A – B dk vFkZ gS B A ls NksVk gSA
A + B means A is younger than B A + B dk vFkZ gS A B ls NksVk gSA
32. Sachin * Rahim – Rahul means 32. lfpu * jghe & jkgqy dk vFkZ gS
(1) Rahul is the youngest (1) jkgqy lcls NksVk gSA
(2) Rahul is the oldest (2) jkgqy lcls cM++k gSA
(3) Rahim is younger than Rahul (3) jghe] jkgqy ls NksVk gSA
(4) None of these (4) mijksDr esa ls dksbZ Hkh ughaA
33. Here are four groups of letters, three of them are alike in 33. ;gk¡ v{kjksa ds pkj lewg gSa] ftuesa rhu fdlh u fdlh :i esa leku gSa
some way or other while one is different. Identify the one tcfd ,d vleku gSA igpkusa fd dkSu&lk vU; ls fHkUu gSA
which is different from others. (1) ccc ggg kkk
(1) ccc ggg kkk (2) kkk ooo sss
(2) kkk ooo sss (3) mmm qqq ttt
(3) mmm qqq ttt (4) ttt xxx bbb
(4) ttt xxx bbb
34. Which word in that language stands for ‘apple’. 34. ml Hkk’kk esa dkSu&lk “kCn ^apple* ds fy;s ç;qä fd;k x;k gS%
(1) Elp (2) Nux (1) Elp (2) Nux
(3) Zip (4) None of these (3) Zip (4) buesa ls dksbZ ugha
35. Three views of a cube following a particular motion are 35. ?ku tks fd ,d fof”k’V xfr esa gSa muds rhu n`”; uhps fn;s x, gSa%
given below:
(APT) [A-4]
GENERAL ENGLISH
DIRECTIONS: Fill the correct article
36. Ramesh’s father is __ M.P and Suresh’s father is __ Member of Legislative Assembly:
(1) A, An (2) An, An
(3) An, A (4) An, The
37. How many adverbs have been used in the following sentences:
Sita sings well. She speaks very fluently.
(1) 5 (2) 3
(3) 4 (4) None of these
DIRECTIONS: (Question No. 42 & 43) For each of the following questions select the word which is the exact opposite from the words
given below.
42. BURY
(1) Embed (2) Exhume
(3) Conceal (4) Allow
43. INCENTIVE
(1) Deterrent (2) Bait
(3) Intention (4) Sensation
DIRECTIONS: For each of the following question select the word which best expresses the meaning of the word from the words given
below.
44. OMNIPRESENT
(1) Nowhere (2) Absent
(3) All–pervading (4) Narrow
DIRECTIONS: Select the correct meaning of given phrase/idiom form the options in each question.
(APT) [A-5]
DISCIPLINE (ELECTRICIAN)
46. In d.c. generator armature reaction is produced by: 46. d.c. tfu= esa vkesZpj vfHkfØ;k fuEu }kjk mRiUu dh tkrh gS%
(1) Field or armature current (1) {ks= vFkok vkesZpj /kkjk }kjk
(2) Field and armature current (2) {ks= rFkk vkesZpj /kkjk }kjk
(3) Field current (3) {ks= /kkjk }kjk
(4) Armature current (4) vkesZpj /kkjk }kjk
47. The function of commutator in the dc motor: 47. Mhlh eksVj esa dE;wVsVj dk dke gksrk gS%
(1) To collect current from the conductors (1) pkydksa ls /kkjk bdV~Bh djuk
(2) To change ac into dc (2) ,lh dks Mhlh esa cnyuk
(3) To conduct the current to the brushes (3) /kkjk dks cqz”kksa dh rjQ pkfyr djuk
(4) To change dc into ac (4) Mhlh dks ,lh esa cnyuk
48. A transformer is used in: 48. VªkalQkeZj dk iz;ksx fuEu esa fd;k tkrk gS%
(1) a.c. supply (1) ,lh vkiwfrZ
(2) d.c. supply (2) Mhlh vkiwfrZ
(3) Half wave rectified supply (3) v)Z rjax ifj”kksf/kr vkiwfrZ
(4) Full wave rectified supply (4) iw.kZ rjax ifj”kksf/kr vkiwfrZ
51. In two wattmeter method of measuring three phases 51. f=&izkoLFkk “kfDr ekius dh nks okVehVj fof/k esa] “kfDr xq.kd 0.5 gS]
power, power factor is 0.5, and then one of the rc ,d okVehVj dk iBu gksxk%
wattmeter will read:
(1) W/2 (2) Zero
(1) W/2 (2) Zero (3) √2W (4) W/√3
(3) √2W (4) W/√3
52. The voltage across an electric device is reduced by 50%. 52. ,d fo|qr midj.k ds Hkhrj oksYVrk 50% ?kVk nh tkrh gSaA midj.k
The power consumption by the device is reduced by: }kjk fo|qr dh [kir esa fuEu deh vk tk,xh%
(1) 25% (2) 50% (1) 25% (2) 50%
(3) 60% (4) 75% (3) 60% (4) 75%
53. Three resistances of 30 ohm, 15 ohm and 5 ohm are 53. 30 ohm, 15 ohm rFkk 5 ohm ds rhu izfrjks/kksa dks lekukarj :i ls
connected in parallel, their combine resistance will be: la;ksftr fd;k tkrk gSA mudk la;qDr izfrjks/k gksxk%
(1) Greater than 30 ohm (1) 30 ohm ls c<+dj
(2) Between 30 ohm to 15 ohm (2) 30 ohm rFkk 15 ohm ds chp
(3) Between 15 ohm to 5 ohm (3) 15 ohm rFkk 5 ohm ds chp
(4) Less than 5 ohm (4) 5 ohm ls de
54. Quality factor is given the relation: 54. xq.krk dkjd dks fuEu laca/k iznku fd;k tkrk gS%
L L
C L C L
(1) Q = (2) Q = R (1) Q= (2) Q = R
R C R C
1 1
LC LC
(3) Q =
R
(4) None of these (3) Q = (4) buesa ls dksbZ ugha
R
(ECN) [A-6]
55. For the measurement of the earth resistance of a given 55. fdlh ,d HkkSe&bysDVªksM dk Hkw&izfrjks/k ekius ds fy,%
earth electrode:
(1) xzkgh bysDVªksM ijh{k.kk/khu bysDVªksM ds cgqr fudV gksuk pkfg,%
(1) Collecting electrode should be very near to the (2) xzkgh bysDVªksM dks ijh{k.kk/khu bysDVªksM dk Li”kZ djuk pkfg,
electrode under test (3) xzkgh bysDVªksM ijh{k.kk/khu bysDVªksM ls cgqr nwj gksuk pkfg,
(2) Collecting electrode should touch the electrode under (4) buesa ls dksbZ ugha
test
(3) Collecting electrode should be far away the electrode
under test
(4) None of these
56. In earthing grid design, the total conductor length 56. Hkw&laidZu fMtkbu esa izo.krk fu;a=.k ds fy, visf{kr dqy pkyd yackbZ
required for gradient control is calculated from: dh x.kuk fuEu ls dh tkrh gS%
(1) The tolerable value of touch voltage (1) Li”kZ oksYVrk dk lg~; eku
(2) The tolerable value of step voltage (2) lksiku oksYVrk dk lg~; eku
(3) The tolerable value of earth resistance (3) Hkw&izfrjks/k dk lg~; eku
(4) None of these (4) buesa ls dksbZ ugha
57. The energy in a lead acid battery is stored in a form of: 57. lhlk vEy cSVjh esa ÅtkZ fuEu :i esa lafpr jgrh gS%
(1) Di-electrostatic charge (1) Mkb&bysDVªksLVsfVd vkos”k
(2) Non flowing current (2) v&izokgh /kkjk
(3) Chemical energy (3) jklk;fud ÅtkZ
(4) Nuclear energy (4) U;wDyh;j ÅtkZ
58. Number of diodes required in ordinary full-wave rectifier 58. lk/kkj.k v)Z&rjax ifj”kks/kd ifjiFk esa visf{kr Mk;ksMksa dh la[;k gS%
circuit are:
(1) 1 (2) 2
(1) 1 (2) 2 (3) 3 (4) 4
(3) 3 (4) 4
59. What is the unit of torque of a DC Motor in SI unit: 59. SI bZdkbZ esa DC eksVj ds cy vk?kw.kZ dh bZdkbZ gS%
(1) Kilogram-meter (1) fdyksxzke&ehVj
(2) Newton-centimeter (2) U;wVu&lsaVhehVj
(3) Joule (3) twy
(4) Newton per meter (4) U;wVu çfrehVj
60. Two capacitors of values 12µF and 4µF are connected in 60. nks la/kkfj=ksa dks] ftudk eku 12µF rFkk 4µF gS] Js.kh esa tksM+k tkrk
series, the capacitance of the combination is: gS] bl feJ.k dh /kkfjrk gS%
(1) 16µF (2) 8µF (1) 16µF (2) 8µF
(3) 3µF (4) None of these (3) 3µF (4) buesa ls dksbZ ugha
61. In balanced 3φ supply system current in the neutral is 61. larqfyr 3φ vkiwfrZ iz.kkyh esa] mnklhu esa /kkjk fuEu ds lerqY; gS%
equal to: (1) dyk /kkjk (2) ykbu /kkjk
(1) Phase current (2) Line current (3) √3× dyk /kkjk (4) “kwU;
(3) √3× Phase current (4) Zero
62. Three-phase star-connection is capable of supplying 62. f=dy&LVkj la;kstu fuEu dks fo|qr vkiwfrZ djus esa l{ke gS%
power to: (1) dsoy 1φ yksM
(1) 1φ loads only (2) dsoy 3φ yksM
(2) 3φ loads only (3) 1φ rFkk 3φ nksuksa yksM
(3) Both 1φ and 3φ loads (4) buesa ls dksbZ ugha
(4) None of these
63. A dc motor works on the principle of: 63. dc eksVj fuEu ds fl)kar ij dke djrh gS%
(1) Fleming’s right hand rule (1) ¶ysfeax dk nf{k.k gLrfu;e
(2) Fleming’s left hand rule (2) ¶ysfeax dk oke gLrfu;e
(3) Right hand thumb rule (3) nf{k.k gLr FkEc fu;e
(4) Cork screw rule (4) dkdZ LØw fu;e
(ECN) [A-7]
64. Ammeters or voltmeter come under the category of: 64. ,sehVj vFkok oksYVehVj fuEu dh Js.kh esa vkrs gSa%
(1) Standard instruments (2) Integrating instruments (1) ekud midj.k (2) lekdyuh midj.k
(3) Recording instruments (4) Indicating instruments (3) fjdkfMZax midj.k (4) lwpd midj.k
65. While on discharging, the specific gravity of the 65. folftZr djrs le; lhlk vkSj vEy lsy esa fo|qr vi?kV~; dk fof”k’V
electrolyte in lead acid cell: ?kuRo%
(1) Increases (2) Decreases (1) c<+ tkrk gS (2) ?kV tkrk gS
(3) Remains same (4) Becomes zero (3) oSlk gh jgrk gS (4) “kwU; cu tkrk gS
66. When the capacitor is charged fully, the value of the 66. tc la/kkfj= dks iwjh rjg vkosf”kr dj fn;k tkrk gS] ifjiFk esa /kkjk
current in the circuit is: dk eku gksrk gS%
(1) Maximum (2) Minimum (1) vf/kdre (2) U;wure
(3) Zero (4) Moderate (3) “kwU; (4) la;r
67. If temperature is increased, the resistance of carbon: 67. ;fn rkieku c<+k fn;k tkrk gS rks dkcZu dk izfrjks/k%
(1) Increases (2) Decreases (1) c<+ tkrk gS (2) ?kV tkrk gS
(3) Remains same (4) Becomes zero (3) oSlk gh jgrk gS (4) “kwU; cu tkrk gS
68. Tesla is the unit of: 68. Vslyk fuEu dh bdkbZ gS%
(1) mmf (2) flux (1) mmf (2) ¶yDl
(3) flux density (4) None of these (3) ¶yDl ?kuRo (4) buesa ls dksbZ ugha
69. Electromagnets are known as: 69. fo|qr&pqacd gksrs gSa%
(1) Large magnets (2) Small magnets (1) fo”kky pqacd (2) y?kq pqacd
(3) Permanent magnets (4) Temporary magnets (3) LFkk;h pqacd (4) vLFkk;h pqacd
70. Power factor for a pure resistive load is: 70. “kq) izfrjks/kh yksM ds fy, “kfDr xq.kkad gS%
(1) Unity (2) Leading (1) ,dd (2) vxzx
(3) Zero lagging (4) Zero leading (3) “kwU; i”pxkeh (4) “kwU; vxzx
71. When the dc motor is at rest, the value of the back emf is: 71. tc dc eksVj fojke dh fLFkfr esa gksrh gS] i”p emf dk eku gksrk gS%
(1) Equal to the supply voltage (1) vkiwfrZ oksYVrk ds leku
(2) Less than the supply voltage (2) vkiwfrZ oksYVrk ls de
(3) Greater than the supply voltage (3) vkiwfrZ oksYVrk ls vf/kd
(4) Zero (4) “kwU;
72. Which winding of the transformer has less number of 72. VªkalQkeZj dh dkSulh okbafMax esa Qsjksa dh la[;k de gksrh gS\
turns: (1) L.T. okbafMax (2) H.T. okbafMax
(1) L.T. winding (2) H.T. winding (3) izkFkfed okbafMax (4) f}rh;d okbafMax
(3) Primary winding (4) Secondary winding
73. The starting torque of a single-phase induction motor is: 73. ,ddyh; izsj.k eksVj dk vkjafHkd cy&vk?kw.kZ gksrk gS%
(1) High (2) Moderate (1) mPp (2) la;r
(3) Low (4) Zero (3) U;wu (4) “kwU;
74. The test lamp, when connected between earth and live 74. ijh{k.k ySai dks tc i`Foh vkSj lfØ; rkjksa ds chp tksM+k tkrk gS rks
wires, will: og%
(1) Glow dim (2) Glow bright (1) de nhIr gksxk (2) rst nhIr gksxk
(3) Not glow (4) Fuse (3) nhIr ugha gksxk (4) ¶;wt gks tk,xk
75. 6 cells each of emf 2 volts are connected in series. The 75. 6 lsyksa dks] ftuesa ls izR;sd emf2 oksYV dk gS Js.kh esa la;ksftr fd;k
terminal voltage of the battery will be: tkrk gSA cSVjh dh VfeZuy oksYVrk gksxh%
(1) 2 V (2) 6 V (1) 2 V (2) 6 V
(3) 12 V (4) None of these (3) 12 V (4) buesa ls dksbZ ugha
(ECN) [A-8]
76. The unit of specific resistance is: 76. fof”k’V izfrjks/k dh bdkbZ gS%
(1) mho (2) ohm (1) eks ¼mho½ (2) vkse ¼ohm½
(3) meter-cube (4) ohm-meter (3) ehVj&D;wc (4) vkse&ehVj
77. On loading, the speed of a dc series motor: 77. yksM fd, tkus ij dc Js.kh eksVj dh pky%
(1) Increases (2) Decreases (1) c<+ tkrh gS (2) ?kV tkrh gS
(3) remains same (4) becomes zero (3) iwoZor jgrh gS (4) “kwU; gks tkrh gS
78. emf induced in the primary winding of a transformer is 78. VªkalQkeZj dh izkFkfed okbafMax esa izsfjr EMF dgykrk gS%
known as: (1) Lo&izsfjr emf
(1) Self induced emf (2) ikjLifjd :i ls izsfjr emf
(2) Mutually induced emf (3) xfr”khy <ax ls iszfjr emf
(3) Dynamically induced emf (4) buesa ls dksbZ ugha
(4) None of these
79. A fuse is provided in an electrical circuit to: 79. fo|qr ifjiFk esa ¶;wt fuEu iz;kstu ls yxk;k tkrk gS%
(1) Reduce the power consumption in the circuit (1) ifjiFk esa fctyh dh [kir de djuk
(2) Limit the current in the circuit (2) ifjiFk esa /kkjk lhfer djuk
(3) Safeguard the circuit against heavy current (3) ifjiFk dks Hkkjh /kkjk ls lqjf{kr j[kuk
(4) Increase the current in the circuit (4) ifjiFk esa /kkjk c<+kuk
80. The percentage slip of a synchronous machine is: 80. ,d rqY;dkfyd e”khu dk izfr”kr foliZ.k gS%
(1) 4 to 6% (2) Zero % (1) 4 ls 6% (2) “kwU; %
(3) 50% (4) 100% (3) 50% (4) 100%
81. If two supply terminals of a 3φ induction motor are 81. ;fn 3φ izsj.k eksVj ds nks vkiwfrZ VfeZuyksa dks vkil esa cny fn;k tkrk
interchanged, then the: gS rks%
(1) Speed of the motor will become zero (1) eksVj dh pky “kwU; gks tk,xh
(2) Speed of the motor will increase (2) eksVj dh pky c<+ tk,xh
(3) Motor will continue to run in the same direction with less (3) eksVj de pky ij mlh fn”kk esa pyrh jgsxh
speed (4) eksVj mYVh fn”kk esa ?kwerh jgsxh
(4) Motor will rotate in the opposite direction
82. The no-load power factor of a transformer is always: 82. VªkalQkeZj dk “kwU; yksM “kfDr xq.kkad lnSo gksrk gS%
(1) Leading (2) Unity (1) vxzx (2) ,d
(3) Lagging (4) Zero (3) i”pxkeh (4) “kwU;
85. Back emf of a dc motor depends upon: 85. dc eksVj dk i”p emf fuEu ij fuHkZj djrk gS%
(1) Number of armature conductors (1) vkesZpj pkydksa dh la[;k
(2) Speed of the motor (2) eksVj dh pky
(3) Strength of the magnetic field (3) pqacdh; {ks= dh lkeF;Z
(4) All of these (4) ;s lHkh
86. The P–N junction behaves like a: 86. P-N laf/k fuEu dh Hkkafr O;ogkj djrh gS%
(1) Tetrode (2) Pentode (1) VSVªksM (2) iSaVksM
(3) Triode (4) Diode (3) Vªk;ksM (4) Mk;ksM
(ECN) [A-9]
87. The e.m.f induced in a coil depend upon: 87. dkW;y esa izsfjr e.m.f. fuEu ij fuHkZj djrk gS%
(1) Number of its turns (1) blds Qsjks dh la[;k
(2) The change of flux linked with it (2) blds lkFk lac) ¶yDl dk cnyko
(3) The time taken to change the flux (3) ¶yDl cnyus esa yxk le;
(4) All of the above (4) mi;qZDr lHkh
88. The direction of the induced e.m.f in a coil is found by: 88. dkW;y esa izsfjr emf dh fn”kk fuEu }kjk irk yxkbZ tkrh gS%
(1) Faraday’s law (2) Lenz’s law (1) QSjkMs fu;e (2) ySat fu;e
(3) Fleming’s left hand rule (4) Fleming’s right hand rule (3) ¶ysfeax dk okegLr fu;e (4) ¶ysfeax dk nf{k.k gLr fu;e
89. The e.m.f induced is 2V when current is changing at the 89. tc /kkjk 0.5A/s dh xfr ls cny jgh gS] gzkflr emf 2V gSA dkW;y
rate of 0.5A/s. The self inductance of coil is: dk Lo&izsjdRo gS%
(1) 4 (2) 2 (1) 4 (2) 2
(3) 1 (4) None of these (3) 1 (4) buesa ls dksbZ ugha
90. Energy meter, for connection, has ……….. terminals: 90. la;kstu ds fy, ÅtkZ ehVj esa --------- VfeZuy gksrs gSa%
(1) 2 (2) 4 (1) 2 (2) 4
(3) 6 (4) 8 (3) 6 (4) 8
91. The yoke of D.C machine is made of: 91. Mhlh e”khu dk ;ksd fuEu dk cuk gksrk gS%
(1) Aluminum (2) Copper (1) ,sY;wehfu;e (2) rkack
(3) Silicon steel (4) Cast steel (3) flyhdkWu bLikr (4) <yoka bLikr
92. Which of the following materials possess the least 92. fuEu esa ls dkSu&ls inkFkZ esa lcls de fof”k’V izfrjks/kdrk gS\
specific resistance? (1) ,sY;wehfu;e (2) rkack
(1) Aluminum (2) Copper (3) pkanh (4) yksgk
(3) Silver (4) Iron
93. Which of the following is an active element in a circuit: 93. fuEu esa ls dkSu ifjiFk dk ,d lfØ; rRo gS\
(1) Current source (2) Resistance (1) /kkjk lzksr (2) izfrjks/k
(3) Inductance capacitance (4) Capacitance (3) izsjdRo /kkfjrk (4) /kkfjrk
94. Which is the lightest particle in an atom? 94. ,d ijek.kq esa lcls gYdk d.k dkSulk gS\
(1) Proton (2) Neutron (1) izksVksu (2) U;wVªksu
(3) Electron (4) All are of equal weight (3) bysDVªksu (4) lHkh ,dleku Hkkj ds gSa
95. Basic purpose of earthing is: 95. Hkw&laidZu dk eq[; iz;kstu gS%
(1) To avoid fault (1) nks’k ls cpuk
(2) It allows the current to flow in the circuit (2) ;g /kkjk dks ifjiFk esa izokfgr gksus nsrk gS
(3) It protects the operator from electric shock (3) ;g vkijsVj dk fctyh ds >Vds ls cpko djrk gS
(4) It stops the current to flow in the circuit (4) ;g /kkjk dks ifjiFk esa izokfgr gksus ls jksdrk gS
96. The power factor of a pure capacitive circuit is: 96. 'kq) /kkfjrk lfdZV dk 'kfä xq.kd gksrk gS%
(1) Maximum (2) Unity (1) vf/kdre (2) bdkbZ
(3) 0.8 leading (4) Zero (3) 0.8 vxzrk (4) 'kwU;
97. When the capacitor is charged fully, the value of the 97. tc /kkfj= dks iw.kZr% vkosf'kr fd;k tkrk gS rks lfdZV esa /kkjk dk eku
current in the circuit is: gksrk gS%
(1) Zero (2) Maximum (1) 'kwU; (2) vf/kdre
(3) Minimum (4) Moderate (3) U;wUre (4) larqfyr
(ECN) [A-10]
99. The unit to measure electrical energy is: 99. fo|qr ÅtkZ dks ekius dh bdkbZ gS%
(1) kVA (2) kVAR (1) kVA (2) kVAR
(3) kWh (4) kW (3) kWh (4) kW
100. A transformer has 500 turns on its primary and 50 turns 100. ,d VªkWUlQkeZj esa blds çkbZejh ij 500 yisV ,oa lsds.Mjh ckbZfUMx
on secondary winding. Its transformation ratio will be: ij 50 yisV gSaA rks bldk VªkWUlQkjes'ku vuqikr gksxk%
(1) 0.01 (2) 100 (1) 0.01 (2) 100
(3) 10 (4) 0.1 (3) 10 (4) 0.1
101. Standard frequency of supply in India is: 101. Hkkjr esa vkiwfrZ dh ekud vko`fÙk gS%
(1) 60 Hz (2) 25 Hz (1) 60 Hz (2) 25 Hz
(3) 50 Hz (4) None of these (3) 50 Hz (4) buesa ls dkbZ ugha
102. Power station which needs least amount of fuel is: 102. 'kfä LVs'ku ftlesa b±/ku dh lcls de ek=k dh vko';drk gksrh gS%
(1) Thermal power station (2) Diesel power station (1) rkih; ÅtkZ ?kj (2) Mhty ÅtkZ ?kj
(3) Hydro-electric power (4) Nuclear power station (3) ty oS|qr 'kfä (4) ukHkdh; ÅtkZ ?kj
103. Turbo-alternators usually have: 103. VcksZ vYVjusVj esa lkekU;r% gksrk gS%
(1) 20 poles (2) 10 poles (1) 20 iksYl (2) 10 iksYl
(3) 8 poles (4) 2 poles (3) 8 iksYl (4) 2 iksYl
104. If ten resistances of 10 ohms each are connected in 104. ;fn 10 vksºe~ ds 10 çfrjks/k lekukUrj esa vkc) gSa rks dqy çfrjks/k
parallel, the total resistance will be: fdruk gksxk%
(1) 100 Ω (2) Less than 100 Ω (1) 100 Ω (2) 100 Ω ls de
(3) 1 Ω (4) None of these (3) 1 Ω (4) buesa ls dksbZ ugha
105. Unit of magneto motive force is: 105. eSXusVks eksfVo QkslZ dh bdkbZ gS%
(1) Weber (2) Ampere-turn (1) oscj (2) ,Eih;j&VuZ
(3) Tesla (4) Reluctance (3) VsLyk (4) fjysDVsUl
106. A graph between flux density and magnetizing force is 106. QyDl ?kuRo ,oa pqEcdh; cy ds e/; dk xzkQ fdl uke ls tkuk
known as: tkrk gS%
(1) B-H curve (2) Hysteresis loop (1) B-H oØ (2) fgLVsfjfll ywi
(3) Open characteristic (4) None of these (3) eqä vfHky{k.krk (4) buesa ls dksbZ ugha
107. Which type of wiring gives more mechanical and fire 107. fdl çdkj dh ok;fjax T;knk ;kfU=d ,oa vfXu laj{k.k nsrk gS%
protection: (1) DyhV ok;fjax (2) cSVu ok;fjax
(1) Cleat wiring (2) Batten wiring (3) dUM;wV ok;fjax (4) dsflax ,UM dSfiax ok;fjax
(3) Conduit wiring (4) Casing and capping wiring
108. According to IER maximum light load of final sub-circuit 108. IER ds vuqlkj vfUre mi ifjiFk dh vf/kdre ykbZV yksM fdlls
should not exceed than: vf/kd ugha gksuh pkfg,%
(1) 1000 W (2) 2000 W (1) 1000 W (2) 2000 W
(3) 500 W (4) None of these (3) 500 W (4) None of these
109. Which winding of a transformer has more number of turns: 109. VªkWUlQkeZj dh fdl okbZfUMx esa yisVks dh la[;k T;knk gksrh gS%
(1) Low voltage winding (2) High voltage winding (1) fuEu oksYVrk okbZfUMx (2) mPp oksYVrk okbZfUMx
(3) Secondary winding (4) Primary winding (3) f}rh;d okbZfUMx (4) ç/kku okbZfUMx
110. The function of a starter in a d.c. motor is to: 110. ,d d.c. eksVj esa LVkVZj dk dk;Z gS%
(1) Reduce voltage (1) oksYVrk ?kVkuk
(2) Insert resistance in field circuit (2) {ks= ifjiFkksa esa çfrjks/k Mkyuk
(3) Insert resistance in armature circuit (3) vkesZpj ifjiFkksa esa çfrjks/k Mkyuk
(4) Control the speed (4) xfr ij fu;a=.k
(ECN) [A-11]
111. Transformer core is laminated to: 111. VªkWUlQkeZj dksj dks ysfeusV djrs gSa%
(1) Reduce the copper losses (1) rkez gkfu;ksa dks de djus ds fy,
(2) Reduce the core losses (2) dksj gkfu;ksa dks de djus ds fy,
(3) Reduce eddy current losses (3) ,ìh /kkjk gkfu;ksa dks de djus ds fy,
(4) None of these (4) buesa ls dksbZ ugha
112. Rotor of induction motor runs at: 112. çsj.k eksVj dk jksVj pyrk gS%
(1) Synchronous speed (1) rqY;dkfyd pky ij
(2) Above synchronous speed (2) rqY;dkfyd pky ds Åij
(3) Below synchronous speed (3) rqY;dkfyd pky ds uhps
(4) Very low speed (4) cgqr de pky ij
113. Three-phase induction motor usually operates on: 113. rhu dyk çsj.k eksVj lkekU;r% çpkfyr gksrk gS%
(1) 0.8 P.F. leading (1) 0.8 P.F. vxzrk ij
(2) 0.8 P.F. lagging (2) 0.8 P.F. i'prk ij
(3) Unity P.F. (3) bdkbZ P.F. ij
(4) Very low P.F. (4) cgqr de P.F. ij
114. Brushes of a phase-wound induction motor are made of: 114. Qst&okmUM çsj.k eksVj dk cz'k fdl pht dk cuk gksrk gSa%
(1) Cast iron (2) Copper (1) <yok¡ yksgs (2) rkez
(3) Carbon (4) Steel (3) dkcZu (4) LVhy
115. An electric motor converts: 115. ,d fo|qr eksVj ifjofrZr djrk gS%
(1) Mechanical energy into electrical energy (1) ;kfU=d ÅtkZ dks fo|qrh; ÅtkZ esa
(2) a.c. into d.c. (2) a.c. dks d.c. esa
(3) Electrical energy into mechanical energy (3) fo|qrh; ÅtkZ dks ;kfU=d ÅtkZ esa
(4) None of these (4) buesa ls dksbZ ugha
116. Series field resistance of a d.c. series generator is 116. d.c. Js.kh tfu=ksa dk Js.kh {ks= çfrjks/k yxHkx gksrk gS%
about:
(1) 2.5 Ω (2) 0.1 Ω
(1) 2.5 Ω (2) 0.1 Ω (3) 10 Ω (4) 200 Ω
(3) 10 Ω (4) 200 Ω
117. The specific gravity of the electrolyte of a lead-acid cell 117. yhM&,flM lsy ds bysDVªksykbZV dk fof'k"V xq:Ro fdlds }kjk ijh{k.k
is checked by: fd;k tkrk gS%
(1) Barometer (1) cSjksehVj
(2) Lactometer (2) ySDVksehVj
(3) Hydrometer (3) gkbZMªksehVj
(4) Induction meter (4) çsj.k ehVj
118. In an 8-pole wave connected d.c. motor armature, the 118. ,d 8 iksy rjaxksa }kjk dusDVsM d.c. eksVj vkesZpj esa lekukUrj iFkksa
number of parallel paths are: dh la[;k gksrh gS%
(1) 8 (2) 4 (1) 8 (2) 4
(3) 2 (4) 6 (3) 2 (4) 6
119. In a dc. series motor, increase in load current results in: 119. ,d d.c.Js.kh eksVj esa] Hkkj /kkjk esa o`f) ds ifj.kkeLo:i gksrk gS%
(1) Decrease in speed (1) pky esa deh
(2) Increase in speed (2) pky esa o`f)
(3) Better commutation (3) vPNh lapkj.k
(4) Increase of back e.m.f. (4) i'p e.m.f. dh o`f)
120. 33 × (3 )3 ÷34 is equal to: 120. 3 × (3 ) ÷3 =
2 3 2 3 4
13
13 (1) 3 (2) 35
(1) 3 (2) 35
(3) 34 (4) buesa ls dksbZ ugha
(3) 34 (4) None of these
(ECN) [A-12]