DSSSB 2019: 6 October, Craft Instructor (IT & Electronic System Maintenance)
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following Sections: mTJ tRt~ ~ m <fit ~ 5PIicn ~
No. of Page
Sections Test Components Questions No. (3l) i) ~ ~ 20 2- 7 ~
(A) i)
General Awareness 20 2 _ 7 ii) ~ ~ <1m '~ ~
ii)
General Intelligenceand nll<t><t> ~I'~nl 20 8 - 11 ,.
ReasoningAbility 20 8-11 iii) ~~~~ 20 12-15 ~
iii) Arithmeticaland NumericalAbilrty 20 12 - 15 ~ 'IT'fI _.•••. ..,;0,.. IT
iv) Hindi Languageand Comprehension 20 16-17 iv) I~""I ""~ "11'< 20 16-17 ItJ ~
v) EnglishLanguageand Comprehension 20 18- 19 v) 3W;;fl 'IT'fI 3ft1:oOtl 20 18- 19 tc:
(B) Post Specific Subject·Related r.(,....Gf-:-)-'-+-.:~--.:.,q-:::fB-::f4,:-"if;--:::~---<i<itft"'"·.,..· :--~--+--1"';'00~-+-20~--4"';'5~
Questions 100 20 - 45 ~
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MKG-XXV fTECHCliESM/1 T/07 111111111 11m 111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111
SECTION-A
i) General Awareness
1. What is the name of all women protection 4. What is TRAI stands for ?
squad launched to assist women railway (A) Telecast Regulatory Authority of
commuters? India
(A) Joymati Bahini (B) Telecom Regulatory Authority of
India
(B) Nari Shakthi
(C) Telecom Regional Authority of
(C) Mahila Shakthi India
(D) None of the above (D) None of the above
5. Consider the following statements about
2. Who was the chief guest of 70th Border Security Force (BSF).
Republic Day celebration for India on 1. The Border Security Force (BSF) is
26th January 2019 ? a Border Guarding Force of India.
2. It is a paramilitary force charged
(A) Cyril Ramaphosa
with guarding India's land border
(B) Jigme Khesar Namgyel Wangchuck during war time and preventing
(C) Barack Obama transnational crime.
3. It is a Union Government Agency
(D) None of the above
under the administrative control of
Ministry of Defence.
3. What is the main aim of the Fit India 4. It currently stands as the world's
Campaign recently launched by the largest border guarding force.
Central Government? (A) Only the statement 1 is true
(B) The statements 1 and 4 are true
(A) To select best athletes from all
(C) The statements 1, 3 and 4 are true
over the country to train for next
(D) All the statements 1,2,3 and 4 are
Olympics game
true
(B) Encourage people to inculcate
6. Exercise Yudh Abhyas 2019 a joint
physical activity and sports in their
military began recently between which
everyday lives
of the following countries?
(C) Provide nutritious food for (A) India and Japan
adolescent girl child in the rural (B) India and USA
areas of the country (C) India and England
(D) None of the above (D) None of the above
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MKG-XXV ECHCIIESM/1T/07 11111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111
7. political leader was honoured 10. What is KG stands for in "KG Basin",
with n 'Global Goalkeeper Award' by which is known for the biggest natural
Bill a d Melinda Gates Foundation for gas reserves in India?
Swac ch Bharat Abhiyaan ? (A) Krishna-Godavari
(A) (B) Kaveri-Ghataprabha
(B) arendra Modi (C) Ken-Ganga
(C) ajnath Singh (D) None of the above
(D) one of the above
11. What isthe main objectiveof Government
8. The ook 'Annihilation of Caste' was of India Blue Revolution Scheme?
(A) Overall development of fisheries
(A) ahatma Gandhi sector, including enhancement
(B) I Bahadur Shastri of production and productivity,
improving the livelihood of the
(C)
fishers and welfare of fishermen
(D) one of the above
(B) Development of all water sources in
9. Consi er the following statements about the country by increasing catchment
area by construction of dams etc.
Ozon layer.
(C) Development of Inland water ways
1. zone is a Blue colour gas found
in the country by interconnecting
n Earth's atmosphere.
rivers
2. he ozone layer only makes up
(D) None of the above
.00006% of earth's atmosphere.
Ithough it protects the earth from
12. Which of the following animal given
rmful rays.
below is declared as the National
(A) nly the statement 1 is true Heritage Animal of India?
(B) nly the statement 2 is true (A) Tiger
(C) oth the statements 1 and 2 are (B) Lion
(C) Elephant
(D) one of the above (D) None of the above
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MKG-XXV fTECHCliESM/1 T/07 IIIIIIIIIIII~ 111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111
ii) General Intelligence and Reasoning Ability
21. Compl te the analogy, Cow: Calf: : 27. Find the correct alternative for Jupiter,
(A) D g: Puppy Uranus, Saturn.
(B) C t : Cub (A) Stars
(C) Li n: Kitten (B) Planets
(D) DUrk: Chicken (C) Satellite
(D) Asteroid
22. Chenna: is to Tamil Nadu as ? is to
Bihar 28. Complete the series: 5, 10, 15, 20, 25, ?
(A) Bh pal (A) 30 (B) 35
(B) Pa na (C) 50 (D) 55
(C) Ra chi
29. Findthe misSingletters that will complete
(D) Bandipur
the series.
ppqq - - pq - pp - - q -
23. Select t e pair in which the numbers are
similarl related as in the pair 9 : 81. (A) ppqpqp
(A) 2: 6 (B) 3: 27 (B) pqqppq
(C) 4: 6 (D) 5:125 (C) pqpqqp
(D) ppqppq
24. Selectth wordswhichare leastlikeothers
words in the group. 30. In a certain language if 'POLISH'
(A) Ph sics is coded as 'HSILOP' then how is
'TUMBLER' coded?
(B) Ch mistry
(A) REBLMUT
(C) Ma hematics
(B) RELBMUT
(D) Civ s
(C) RELMBTU
25. Select t e number which is different (D) RELBUMT
from res three.
(A) 75\ (B) 105 31. P and a
are brothers. Sand Tare
sisters. P's son is T's brother. How is
(C) 165 (D) 205
a related to S ?
26. Select t e group of letters which is (A) Uncle
different rom others. (B) Grandfather
(A) ZY (B) NML (C) Father
(C) IGHI (D) OPO (D) Brother
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32. Sande h went 25 meters to the East, 36. 6: 222: : 7: ?
he tur ed left and walked 20 meters. He
(A) 343 (8)350
turned again right and went 40 meters.
He a ain turned right and walked (C) 210 (0) 336
20 me ers. How far is he from starting
point? 37. If + means -, - means +, x means 7,
(A) 5 meters (8) 56 meters 7 means x then value of
(C) 6 meters (0) 60 meters 20 x 10 + 15 - 20 7 3 ?
(A) 21
33. Frenc, Portuguese, Tamil can be
repres nted by (8) 47
(C) 15
(A)
(0) 0
(8)
00 38. There are five books X, Y, Z, W, V. The
book Z lies above V. The book X lies
below Y, V is above Y, W is below X.
(C) o Which is at the bottom?
(A) V (8) Y
(C) W (0) Z
(0)
39. Find the missing number.
3 4 7
34. In a di tionary, which of the following 5 3 ?
words ill appear third? 2 4 5
(A) Pu cture 30 48 70
(8) Pu ctual
(A) 3 (8) 2
(C) Pu ctuation
(C) 4 (0) 5
(0)
40. Find the missing letter.
35. In the s ries 4 2 2 3 6 3 1 7 5 4 3 2 1
1 23 1 542 1 1 how many pairs of
A F K
succes ive numbers have a difference C H M
of 2 ea h? ? Q V
(A) 5 (8) 4 (A) M (8) I
(C) 6 (0) 7 (C) L (0) E
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MKG-XXVfTECHCIIESM/1T/07 1111111111111111111111111111111111111111111111111111111111111111111111111111111~IIIIIIIIIIIIIIIIIIIIIIIIIIIII
iii) Arithmetical and Numerical Ability
41. HCF of 210, 385 and 735 is 1
(A) 5 48. The 11thterm of an A.P., -3, - -,2 ......
(8) 35 . 2
IS
(C) 2q (0) None of these
(A) 28 (8) - 38
42. If 7x+7= 494x then x = (C) - 22 (0) 22
(A) 2 (8) 1
(C) - (0) None of these 49. The sum of the reciprocals of Mr. Ram's
ages (in years) 3 years ago and 5 years
43. Value pf 9 sec2A - 9 tan-A = f rom now IS
. 3".
1 H·IS present age is
(A) 1 (8) 9
(C) 8 (0) a (A) 7 (8) 4
(C) 6 (0) None of these
44. Value of sinA x cosecA x cosA x 3secA
is
1 50. f (x + 1)(x + logx)2 dx =
(A) - (8) 1 x
3
(C) 3 (0) None of these (x- loqx)"
(A) +c
3
45. If cosA = i where A is an acute angle 1
5 (8) +c
(x+logx)2
then, tan A =
1
4 3 (C) +c
(A) - (8) - x-i loqx
3 4
5 3 (0) None of these
(C) - (0) -
3 5
51. The area of a sector of a circle with
46. The va ue of k if the paints A (2, 3), radius 6 cm if the angle in the sector is
60°, is (7t = 22/7)
8 (4, k) and C (6, - 3) are collinear is
142 2
(A) - 3 (8) 3 (A) -cm
7
(C) a (0) None of these
132 2
(8) -cm
47. The area bounded by xy = 1, x = a, y = 1 7
and y = 2 is (C) 14 cm2
(A) log 2 (8) 2
130 2
(C) 2 log 2 (0) log .J2 (0) -cm
7
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52. An obierver 1.5 m tall is 28.5 m away 57. A box contains 3 blue, 2 white and 4 red
from a chimney. The angle of elevation marbles. If a marble is drawn at random,
of the op of the chimney from her eyes
the probability that it is white is
is 45°. The height of the chimney is
1
(A) 2 .5m (8) 31 m (A) -
3
(C) 3 m (0) 29 m
2
(8) -
53. Ms. Priya saved Rs. 5 in the first week 9
of a ye r and then increased her weekly 1
(C) -
saving by Rs. 1.75. If in the nthweek her 9
saving become Rs. 20.75, then n is
(0) None of these
(A) 5
(8) 2
58. Sides of two similar triangles are in the
(C) 1
(0) N ne of these ratio 4: 9. Areas of these triangles are
in the ratio
54. The v lue of k, if x - 1 is a factor of (A) 2:3
p(x) = 2 -J2x+1 is (8) 4:9
(A) J2 (C) 81 : 16
(8) +1 (0) 16: 81
(C) 12-1 59. The values of k if the quadratic equation
(0) None of these kx (x - 2) + 6 = 0 has 2 equal roots, are
(A) 0,6
55. If the a gles of a quadrilateral are in the
ratio 3 5 : 9 : 13. The smallest angle in (8) 6
quadril teral is
(C) -6
(A) 60° (8) 36°
(0) None of these
(C) 18° (O) 21 °
56. The h ight and slant height of a cone 60. Two consecutive odd positive integers,
are 21 m and 28 cm respectively. The sum of whose squares is 290 are
volum of the cone is, (n = 22/7)
(A) 11 and 13
(A) 75 6 cm3
(8) 11 and 9
(8) 76 4cm3
(C) 75 4cm3 (C) 7 and 9
(0) N ne of these (0) None of these
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MKG-XXV rtECHCIIESM/1 T/07 111111111 11111111111111111111111111111111111111111111 11111111111111111111 11111111111111 11111111111111111111111
v) English Language and Comprehension
~~3fu~u
Each of th se questions presents a word I 85. ___ Pacific Ocean is the deepest
that may h ve been spelt incorrectly. From of earth's oceanic divisions.
the choices rovided pick the correct spelling (A) A
(8) An
and mark t at option of the right choice as
the answer.
(C) The
(D) No article required
81. Fluktu tion
Read each sentence to find out whether there
(A) fl ctuasion (6) fluctuation is any error in it. The error, if any will be one
(C) (D) fluctution part of the sentence, the number of that part
of the answer.
82.
86. Despite of / taking plenty of / fluids he
(A) reeieve (6) receive (A) (8)
felt exhausted / tired and dehydrated.
(C) riJeeve (D) riceave
(C) (D)
Fill up the ~Ianks with appropriate articles 87. I have a lot / of work to complete and /
from among. the options given below them. (A) (8)
so don't get worried / when I am late.
83. (C) (D)
oranqq.
Select one word substitute for the following.
(A) a
88. 'A place where horses are kept'
(6) a
(A) Shed (8) Stable
(C) 0
(C) Kennel (D) Pen
(D) none of these
Add suitable question tags to the following
84. The educated should teach _ statements from among the choices given
below them.
(A) th 89. I can help you ?
(A) can I
(8) an
(6) can't I
(C) a (C) couldn't I
(D) nohe of these (D) willi
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101161 om 1m 11111111mImlllllU 1116111111110mllllllllllllllllllll~11I1 ~IIIH1111111111111 MKG-XXVITECH IIESM/1T/07
90. It was a fatal accident, ? 96. Take care that you _~ not
(A) ain't we cheated.
(8) aren't we (A) will not be
(C) wasn't it (8) are
(0) were we (C) won't
Fill in the blanks with suitable prepositions (0) shall not be
from among the choices given below them.
Select the word that is most similar in meaning
91. I'll be at home Friday morning. (synonym) to word given in th question.
You can phone me then.
(A) at (8) on 97. Transient
(C) in (0) for (A) concise
(8) hasty
92. What time did they the hotel?
(C) persistent
(A) arrive to (8) arrive at
(0) impermanent
(C) arrive in (0) get in
98. Demography
93. Have you read any books _
Agatha Christie? (A) People's leader
(A) of (8) Language of the peo Ie
(8) from (C) Study of population
(C) by (0) None of these
(0) none of these
Select the word that is opposit in meaning
Choose the correct form of the verb from (antonym) to the word given in he question.
among the choices given below them and fill
in the blanks. 99. Sedentary
(A) slack
94. Cows grass.
(8) active
(A) eat (8) eating
(C) inhabit
(C) had ate (0) have ate
(0) attentive
95. The Swamiji very eloquently
yesterday. 100. Novice
(A) spoke (A) learned
(8) had spoken (8) expert
(C) speaking (C) able
(0) speaks (0) gifted
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MKG-XXV ITECHCIIESM/1 T/07 I 11111111 1m 11111111111111111UIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII~ Rill III 1111111III 1111111111111
SECTION-B
Post Specific Subject - Related Questions
101. Whic of the following is not a 104. isa specialtype of diode used
semic nductor material? to regulateor stabilizethe voltage in home
(A) G Ilium Arsenide appliances.
(B) (A) PN junction diode
(C) C pper (B) Tunnel diode
(0) (C) Zener diode
(0) BJT
102. A diod is classed as reversed biased
(A) W en both anode and cathode are 105. Opto-coupler is a device that used light
positive to
(B) When both anode and cathode are (A) Couple two pn junctions
n gative (B) Couple a signal from its input to its
(C) en the anode is more positive output
than cathode (C) Couple collector to ground
(0) W en the anode is more negative (0) Couple collector to emitter
th. n cathode
106. The section on one side of the NPN
103. Identify the following circuit. transistor which supplies carriers and
is always forward biased
(A) Base
(B) Collector
(C) Emitter
+
(0) All the above
) 107. In
is Fully-OFF operating as a switch and
region, the bipolar transistor
the collector current is equal to zero.
(A) H If wave rectifier (A) Active region
(B) F II wave rectifier (B) Passive region
(C) Bridge rectifier (C) Saturation region
(0) None of these (0) Cut-off region
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MKG-XXV CHCIIESM/1T/07 11111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111
108. In the ollowing voltage divider circuit, 110. MOSFET stands for
Vout wi I be equal to
(A) Metal Oxide Surface Field Effect
+ Transistor
(B) Metal Oxide Semiconductor Field
1 Effect Transistor
(C) Metal Oxidized Selenium Field
Effect Transistor
I
VOUT
(D) Metal of Surface Field Effect
Transistor
I 111. An amplifier has a power gain of 800.
(A) V What is the decibel power gain?
(B) (A) 1010g2800
(C)
(B) 80010g210
(D)
(C) 1010g10800
109. Basic difference between bipolar (D) 80010g1010
transis or and field effect transistor is
that 112. Differentiator amplifier produces an
(A) Bi olar transistor which is a current output that is the mathematical operation
o erated device and field effect of
tr nsistor is a voltage operated
(A) Difference between two input
d vice
voltages
(B) Bi lartransistorisa voltageoperated
(B) Difference between two output
d vice, field effect transistor is a
c rent operated device voltages
(C) (C) Integration
(D) (D) Differentiation
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113. If a n mber of signal amplifiers are 117. A device which maintains the output
conne ted in such a way that the output voltage of an ordinary power supply
of first stage is connected to the input constant
of the econd stage through a suitable
(A) Amplifier
coupli g device and so on, then such
(8) Regulator
arnplif rs are called
(C) FET
(A) C upled amplifiers
(D) 8JET
(8) C scaded amplifiers
(C) L ad amplifiers 118. The inverting op-arnp shown in the
(D) F edback amplifiers figure has an open-loop gain of 100.
The closed-loop gain V 0 / V s is
114. Signa to noise ratio of a system is
expre ed in R2 = 10Kn
(A)
(8)
(C)
(D)
115. ------11- filters maximise the transition (A) - 8 (8) - 9
band c toft rate at the price of introducing
(C) -10 (D) - 11
passb nd ripples.
(A) C ebyshev 119. Find the decimal equivalent of the binary
number 11011001.0101.
(8) 8 tterworth
(A) 712.735
(C)
(8) 201.375
(D)
(C) 127.375
116. Astabl multivibrator operating at 150Hz (D) 217.375
has a ischarge time of 2.5m in Duty
120. The Octal equivalent of HEX number
cycle f the circuit is
CD.AS is
(A) 5 %
(A) 315.526
(8)
(8) 205.667
(C)
(C) 315.625
(D) 3 .5%
(D) 205.526
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MKG-XXVfTEC CIIESM/1 T/07 IIIIIIIIIIIW 1111111nlllllill nlllill 11111111~lllllln mil 11111Ilnl 11111UfillllllllW 1II11~1all 1111
121. plement of 11001 is 125. In JK flip flop, outputs will be the
(A) 1001 complement of previous state when
inputs are
(B) 0011
(A) 00
(C) 00111
(B) 01
(0) 1010
(C) 10
122. In an EX- R gate, when anyone of the (0) 11
input is ze o then output
126. Which of the following is an example of
(A) Will e the inverse of second
algebraic associativity?
(A) (A')' = A
(B) same as the second input
(B) A+A=A
(C) (C) A+AB=A
(0) (0) A + (B + C) = (A + B) + C
123. In an 8: 1 ultiplexer, number of select 127. Calculate the resistance for the
lines will be conductance values 0.05S.
(A) 1 (A) 100hm
(B) 2 (B) 20 Ohm
(C) 3 (C) 100 Ohm
(0) 50hm
(0) 4
128. is a variable resistance with two
124. Ina fullad erwith inputsA, Band C, which
terminals connected in series with a
of the foil ing is an expression of carry
load. The purpose is to vary the amount
out ?
of current
(A) AtB
(A) Potentiometer
(B) AB+ BC+AC (B) Rheostat
(C) ABC (C) MOSFET
(0) A+ +C (0) None of these
-26-
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MKG-XXVITEC CIIESM/1T/07 I~IIIII gm 1mII1I1I1 ~IIIIIIIIIIIII mllllllllllllllll~11111111111111111111111111II11111111
129. How muc current flows in the filament 132. In the below figure of a Wheatstone
of a 300- bulb connected to the 120-V
bridge, the current in M1 reads O/-lA
power line?
with the standard resistor Rs adjusted
(A)
to 5642 Ohm. What is the value of the
(B)
unknown resistor Rx ?
(C) 2.5 A
(0) 12 A
130. The curre t in an open circuit is
+
(A) norm V, =10 V C D
lIy very high because the -
resis ance of an open circuit is
Standard
resistor
R
OOh 09999 (2 (variable
in1-(2 steps)
(B) usua Iy high enough to blow the
(A) 5642 Ohm
circu . fuse
(C) zero (B) 564.2 Ohm
(0) sligh Iy below normal (C) 56.42 Ohm
(0) 5.642 Ohm
131. Figure s ows the series circuit with
voltage- opping resistor Rs used to 133. For application of Ohm's law
drop V1 f 12.6 V to 9 V for RL. Value
of circuit must remain constant.
of RL is
(A) Voltage
+
Rs lv, (B) Current
(C) Resistance
_,12. V1
V
RL
9V
at }v,
(0) Inductance
18mA 134. __ attenuates frequencies above the
cutoff frequency.
(A) Low pass filter
(A) 10 hm
(B) 100 Ohm (B) High pass filter
(C) 150 Ohm (C) Band pass filter
(0) 200 Ohm (OJ' Band reject filter
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Text of page 34
MKG·xxvrr CHCIIESM/lT/07 111111111 111111111III 11111 11111 IIIIIIU III 1111111111 11111111111111111111 mill 11111 III 1111111 III 11111 1111 1111
159. If a mi rocontroller has 16 address 163. The output Y of a 2-bit comparator
lines th n it is possible to access is logic 1 whenever the 2-bit input A
locations. is greater than the 2-bit input B. The
number of combinations for which the
(A)
output is logic 1 is
(B)
(A) 4
(C)
(B) 6
(D) (C) 8
(D) 10
160. f the following is not a general
purpo register in 8085 microcontroller ? 164. In MS Word Document short cut key for
page break is
(A)
(A) Ctrl + b
(B)
(B) Ctrl + p
(C) (C) Ctrl + enter
(D) (D) Ctrl + shift
165. In a microprocessor, outputs of
161. What is the high speed memory between
arithmetic, logical or 10 operations are
the mai memory and the CPU called?
generally store in
(A)
(A) General register
(B) (B) Flag register
(C) (C) Program counter
(D) (D) Accumulator
162. The c mmunication 166. AN D operator performs another
protocol used for
important operation of Boolean Algebra
Intern t is
called
(A)
(A) logical multiplication
(B) (B) logical addition
(C) (C) logical division
(D) P (D) logical subtraction
-36-
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MKG-XXV fTECHCliESM/11107 1111111111111IIIII~ Imlllill ~IIIIII ~lllllIlllllllllil mil 11111111111111111111III IIIIIU 11111~111111I1
167. The c~ or Visual Basic compiler 173. Which functions allow us to access a file
conve s your code into a special in a non-sequential or random mode?
langua e named
(A) seekO and tellO
(A) M SL (8) MSIL
(8) readt) and readlineO
(C) MI L (0) MMSL
(C) writer) and writelinesO
168. (x + y). x + y) = ? (0) writeO and react)
(A) x (8) Y
(C) x y (0) xy 174. In measuring instruments, under
equilibrium condition, controlling
169. Which unction key is used to edit cell
torque(T c) and deflecting torque(T d)
centers s in MS excel?
are
(A) (8) F2
(A) Tc = Td
(C) F (0) F4
(8) Tc>Td
170. In Python comments start with (C) Tc<Td
--t--- symbol.
(0) None of these
(A) * (8) #
(C) $ (0) & 175. The moving coil in a dynamometer
wattmeter is connected
171. A non mpty subset H of a group (G, *)
is sai to be a subgroup if (A) In series with the fixed coil
(A) H~ G (8) Across the supply
(8) H ~ G and (H, *) is a group (C) In series with the load
(C) C mmutative and associative laws (0) Across the load
h Id in H
(0) Nrne of these 176. Magnetization current in a real
transformer is the current required to
172. If the ata attribute of the class and the
produce in the transformer
meth d attribute are in same scope,
core.
then t e data attribute will be given
(A) Eddy current
(A) e ual priority
(8) I wer priority (8) Phase
(C) no priority (C) Flux
(0) igher priority (0) None of the above
-38-
Text of page 38
MKG-XXVITEC CIIESM/1T/07 1111111111111111111111111111111111111111111111111111111111111111111111111 111111 IIMI III 1111111 ~llIm 11111111
177. For a 4 pie, 50 Hz, 3 phase induction 181. Consider the circuit shown in the figure.
motor, the synchronous speed is Find voltage V X'
rpm.
(A) 1000
(B) 1200
(C) 1800 + 4V
x
(D) 1500
178. Average ower consumed by a pure
(A) 1 (B) 1.25
capacitor is
(C) 1.5 (D) 1.75
(A) 0
(B) Infini y 182. The charge movement due to nonuniform
(C) 10W doping in a diode is called
(D) 5W (A) Diffusion
(B) Convection
179. A sinusoidal voltage is represented as
141.42si 314m1.RMS value of voltage (C) Radiation
and freq ency are respectively (D) Displacement
(A) V, 314 Hz
183. Which region of the transistor is lightly
(B) ,100 Hz
doped?
(C) ,100 Hz
(A) Base
(D) ,50 Hz
(B) Collector
180. If a resi tor Rx is connected between (C) Emitter
nodes X and Y, Ry between X and Y, (D) All of the above
Rz betw en Y and Z to form a delta
connect n, then after transformation 184. Given a = 5, b = 10; c = ++a*b--; What are
to star, t e resistor at node X is the new values of a, band c ?
(A) a, I(Rx + Ry + Rz} (A) a = 6, b = 9, c = 54
(B) Rx l(Rx + Ry + Rz} (B) a = 5, b = 10, c = 50
(C) Rz I(Rx + Ry + Rz} (C) a = 6, b = 10, c = 60
(D) (Rx + Ry}/(Rx + Ry + Rz) (D) a = 6, b = 9, c = 60
-40-
Text of page 40
MKG-XXV ITECHCIIESM/1 T/07 IIIIII~I ~m1mI~ 11111m111111111111
~I~ ~IIIIIIIIIIIIIIIIIIIIIII mil III III IIIIIHIII"~IIIIIIII
185. In database, a relation means a 189. One unit weber is constituted by
(A) Domain lines of force.
(A) 102 (B) 104
(B) Key
(C) 106 (D) 108
(C) Tuple
190. If the armature winding in the DC
(D) Table
machine is wave type winding, number
of parallel paths for wave(A) will be
186. An AM transmitter transmits a 80%
(A) A = P
modulat d signal with a carrier power
(B) A = 0
of 120 W. Find the total transmitted
(C) A = 2
power.
(D) A = P/2
(A) 120W
191. A 220V, dc motor has an armature
(B) 1851'5W
resistance of 0.75 Ohm. It is drawing
(C) 158.4 W an armature current of 30 A, driving a
(D) 581.4 W certain load. Calculate the induced emf
in the motor under this condition.
187. Which of the following transducers (A) 300 V
convert mechanical energy into electrical (B) 197.5 V
energy? (C) 24.76 V
(D) 247.6 V
(A) Thermistor
(B) Thermoelectric transducer 192. In the energy meter, constant speed of
rotation of the disc is provided by
(C) Linearvariabledifferentialtransducer
(A) Shunt magnet
(D) Piezoelectric transducer
(B) Series magnet
(C) Braking magnet
188. is the variation of the frequency
(D) None of these
of the, modulated signal from the
frequency of the carrier signal. 193. The peak factor of a sinusoidally varying
voltage is
(A) Fr~quency modulation
(A) 1.414
(B) Frequency demodulation
(B) 1.11
(C) Frequency deviation
(C) 0.856
(D) None of the above (D) 0.707
·42·
Text of page 42
MKG-XXV rrECHCliESM/1 T/07 11111111111111111111111111111111111111111111111
~IIIIIIIIIIIIIIIIIIIIR mm mill III ~IIIIIIIIIIIIIIIIIIII
194. A series circuit consists of 4.7 k Ohm, 198. is an electromechanical device
5.6 k Ohm, 9 k Ohm and 10k Ohm which makes and breaks the circuit in
resistors, which resistor has the most
normal operation and disconnects the
voltage across it ?
circuit under the abnormal condition
(A) 4.7 k Ohm
when current exceeds a preset value.
(B) 5.6 k Ohm
(A) Fuse
(C) 9 k Ohm
(B) MCB
(0) 10 k Ohm
(C) Relay
195. In a parallel circuit, equivalent resistance
(0) None of these
is of all the individual resistances.
(A) Smallest 199. A 4 pole, 1500 rpm dc generator has
(B) Same as a lap wound armature having 24 slots
(C) Largest with 10 conductors per slot. If the flux
(0) None of these per pole is 0.04 Wb, the emf generated
in the armature is
196. For star connection, the phase voltage
is times the line voltage. (A) 120 V
(A) .J3 (B) 240 V
(B) 1I .J3 (C) 480 V
(C) J2 (0) 960 V
(0) 1/J2
200. In a pure inductive circuit
197. The losses which vary with load in a
(A) Current leads voltage by 90 degree
power transformer are
(B) Current lags voltage by 90 degree
(A) Friction and windage losses
(B) Copper losses (C) Voltage lags current by 90 degree
(C) Eddy current losses (0) Current and voltage are in phase
(0) Hysteresis losses with each other
-44-
Text of page 46
M K G- xxv rrECH C IIES M/1 T107 IIIIIIIIIIIIIIIIIII~ Rill 111111111111glllllllllllllll~ mil 1111111111111111111III IIUIU III 11m mil 111I
IMPORTANT INSTRUCTIONS TO CANDIDATES
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