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Latest NCB Junior Intelligence Officer Exam Question (Objective Questions), MCQ in English
Question Bank NCB Junior Intelligence Officer Exam (Electronics) - English
English
Q 1 :
I go to Madurai by —– Vaigai Express
A.a
B.an
C.some
D.the
Q 2 :
Have the car stolen!
A.Steal the car
B.You should have the stolen car
C.Get someone to steal the car
D.They have stolen the car
Q 3 :
The payment was collected by the hardworking salesman.
A.The hardworking salesman collected the payment.
B.the salesman who worked heard was able to collect the payment.
C.to collect the payment the salesman had to work hard.
D.The hardworking salesman was able to collect the payment.
Q 4 :
I had to stop all my work to complete this project.
A.All other work had to be stopped to complete this project by me
B.For completing this project all other work must be stopped
C.For completing this project I had to stop all my work
D.To complete this project all other work had been stopped by me
Q 5 :
They have published the names of all the successful candidates.
A.The candidates who have succeeded their names they had published.
B.The names of all the successful candidates have been published by them
C.The candidates who have succeeded their names have been published by them.
D.The names of all the successful candidate were published by them.
Q 6 :
The online shopping site lowered the prices.
A.Lowering of the prices was done by the online shopping site
B.The prices were lowered by the online shopping site
C.The prices had been lowered by the online shopping site
D.The prices have been lowered by the online shopping site
Q 7 :
Who taught you to drive a truck ?
A.To drive a truck by whom were you taught?
B.Driving a truck by who were you taught?
C.Driving a truck by who were you being taught?
D.By whom were you taught to drive a truck?
Q 8 :
We shall invite Suresh.
A.Suresh would be invited by us
B.Suresh would have been invited by us
C.Suresh will be invited by us
D.Suresh will have been invited by us
Q 9 :
Dark clouds have overcast the evening sky.
A.By the dark clouds the evening sky was overcast.
B.The evening sky has been overcast by the dark clouds.
C.Dark clouds overcastted the evening sky.
D.The sky of the evening was overcasted by dark clouds.
Q 10 :
The partners will celebrate their triumph tomorrow.
A.The triumph would be celebrated by the partners a day before
B.The triumph would be celebrated by the partners a day after
C.The triumph would have been celebrated by the partners a day after
D.The triumph will have been celebrated by the partners tomorrow
Q 11 :
Why did break the vase?
A.why is the vase broken by him
B.why was the vase broken by him
C.why had been the vase broken by him
D.why has been the vase broken by him
Q 12 :
Mariam was writing a note to her boss.
A.A note was written to her boss by Mariam
B.A note was wrote by Mariam to her boss
C.A note was being written by Mariam to her boss
D.A note was written by Mariam to her boss
Q 13 :
The baby really enjoys that music.
A.That music was really enjoyed by the baby.
B.That music was really being enjoyed by the baby.
C.That music is really enjoyed by the baby.
D.This music was really enjoyed by the baby.
Q 14 :
The weather disrupted the final match.
A.The final match has been disrupted by the weather.
B.The final match had been disrupted by the weather.
C.The final match was disrupted by the weather.
D.The final match was being disrupted by the weather.
Q 15 :
The management committee is required to publish a report every year.
A.report would be published by the management committee every year.
B.A report would have been published by the management committee every year.
C.A report requires to be published by the management committee every year.
D.Every year the report would be published by the management committee.
Q 16 :
The Finance Department has ……………a centralized online databank system for all statutory government bodies to …………an eye on their assets and liabilities.
A. presented , stay
B.introduced , keep
C.announce , make
D.created , let
E.proclaimed , hold
Q 17 :
Assets
A.liabilities
B.responsibilities
C.estates
D.profits
Q 18 :
Affidavit
A. Affirmation
B.Slander
C.Oath
D.Testimony
Q 19 :
Hollow
A.Alveolate
B.Cleft
C. Cavernous
D.Solid
Q 20 :
Cosset
A.Ignoreb
B.Close
C.Caress
D.Fondle
Q 21 :
Ogle
A.Leer
B.Gaze
C.Ignore
D.Gawk
Q 22 :
Intrinsic
A.Elemental
B.Innate
C.Connate
D.Acquired
Q 23 :
Coalesce
A.Separate
B.Adhere
C.Cleave
D.Amalgamate
Q 24 :
Loiter
A.lag
B.Hasten
C.Amble
D.Loii
Q 25 :
The protests were......... at ......... awareness among the elite and the educated.
A.held, generating
B.aimed, creating
C.targeted, awakening
D.focused, building
E.concentrated, producing
Reasoning
Q 26 :
‘Gram’ is relatd to ‘Mass’ in the same way as ‘Centimetre’ is related to
A.Area
B.Volume
C.Length
D.Sound
E.Energy
Q 27 :
'Mustard' is related to 'Seed' in the same way as 'Carrot' is related to
A.Fruit
B.Stem
C.Flower
D.Root
E.None of these
Q 28 :
Which of the following pairs of words have the same relationship as Fan : Heat?
A.Water : Drink
B.Light : Night
C.Teach : Student
D.Air : Breathe
E.Food : Hunger
Q 29 :
'Radish' is related to 'Root', in the same way as 'Brinjal' is related to
A.Fruit
B.Stem
C.Flower
D.Root
E.None of these
Q 30 :
'Jackal' is related to 'Carnivorous', in the same way as 'Goat' is related to
A.Omnivorous
B.Carnivorous
C.Herbivorous
D.Multivorous
E.None of these
Q 31 :
Which of the following pairs has similar relationship as Run : Race?
A.Party : Dance
B.Study : Book
C.Lecture : Study
D.Enjoy : Journey
E.None of these
Q 32 :
Which of the following has same relationship as that of Money : Wealth?
A.Pity : Kindness
B.Cruel : Anger
C.Wise : Education
D.Pride : Humility
E.None of these
Q 33 :
Which of the following is related to ‘Melody’, in the same way as ‘Delicious’ is related to 'Taste'?
A.Memory
B.Highness
C.Tongue
D.Speak
E.Voice
Q 34 :
Offhand’ is related to ‘Premeditation’ in the same way as ‘Above board’ is related to
A.Integrity
B.Honesty
C.Guide
D.Competition
E.None of these
Q 35 :
5 : 7 : : ? : 28
A.20
B.14
C.56
D.26
E.None of these
Q 36 :
Which one is different form the remaining three?
A.GIJK
B.DFGH
C.CEFG
D.ABCD
E.None of these
Q 37 :
Three of the following four are alike in certain way and so form a group. Which is one that does not belong to the group?
A.71
B.73
C.77
D.67
E.None of these
Q 38 :
Unscramble the letters in the given words and find the odd one out.
A.UMRSME
B.EIWNTR
C.PIGRSN
D.LCUOD
E.None of these
Q 39 :
What should come next in the following number series?
0 2 4 6 2 3 0 2 4 6 4 5 0 2 4 6 6 7 0 2?
A.4
B.2
C.6
D.8
E.5
Q 40 :
What will be there is the place of question mark in the following series?
E G 3 5, I K 9 9, M O 1 9 5, Q S 3 2 3?
A.UW483
B.ZA26
C.TU420
D.ST380
E.None of these
Q 41 :
Given Set : (6, 15, 28)
A.(50,59,71)
B.(46, 56, 66)
C.(60, 69, 72)
D.(60, 69, 82)
E.None of these
Q 42 :
Given Set : (81, 77, 69)
A.(56, 52, 44)
B.(64, 61, 53)
C.(92, 88, 79)
D.(75, 71, 60)
E.None of these
Q 43 :
Kick : Football
A.Mop : Sweep
B.Dust : Rage
C.Wash : Dishes
D.Throw : Ring
E.None of these
Q 44 :
Rectangle : Pentagon
A.Triangle : Rectangle
B.Diagonal : Perimeter
C.Side : Angle
D.Circle : Square
E.None of the above
Q 45 :
Inherit : Acquire
A.Instinct : Habbit
B.Learn : Discover
C.Loss : Gain
D.Hierarchical : Succession
E.None of the above
Q 46 :
Court : Justic
A.Police : Crime
B.Teacher : Study
C.Doctor : Sickness
D.Auditor : Accuracy
E.None of these
Q 47 :
Coal : Thermal
A.Power : Energy
B.Bulb : Light
C.Air : Atmosphere
D.Water : Hydel
E.None of the above
Q 48 :
Statements I=H>C> N < E=S Conclusions
I. I > H
II. C > S
A.Neither conclusion I nor conclusion II is true
B.Either conclusion I or II is true
C.Only conclusion II is true
D.Only conclusion I is true
E.Both conclusions I and II are true
Q 49 :
Statements G> R>E=A<T<S:D<A<J Conclusions
I. T D
II. R > S
A.Only conclusion II is true
B.Only conclusion I is true
C.Both conclusions I and II are true
D.Either conclusion I or II is true
E.Neither conclusion I nor II is true
Q 50 :
Statements G>R> E=A<T<S:D<A<J Conclusions
I J > G
II. J = G
A.Only conclusion II is true
B.Only conclusion I is true
C.Both conclusions I and II are true
D.Either conclusion I or II is true
E.Neither conclusion I nor II is true
Important Questions Package
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Electronics
Q 51 :
At temperature of 298 Kelvin, Silicon is not suitable for most-electronic applications, due to small amount of conductivity. This can be altered by
A.Gettering
B.Doping
C.Squeezing
D.Sintering
Q 52 :
By doping Germanium with Gallium, the types of semi-conductors formed are
1. N type
2. P type
3. Intrinsic
4. Extrinsic
A.1 and 4
B.2 and 4
C.1 and 3
D.2 and 3
Q 53 :
An n-type of silicon can be formed by adding impurity of:
1. Phosphorous
2. Arsenic
3. Boron
4. Aluminum
Which of the above are correct ?
A.1 and 2
B.2 and 3
C.3 and 4
D.1 and 4
Q 54 :
According to Einstein’s relationship for a semiconductor, the ratio of diffusion constant to the mobility of the charge carriers is
A.Variable and is twice the volt equivalent of the temperature
B.Constant and is equal to the volt equivalent of the temperature
C.Equal to two and is twice the volt equivalent of the temperature
D.Equal to one and is equal to the volt equivalent of the temperature
Q 55 :
Swept-out voltage in PIN diode happens when PIN diode is
A.Forward biased and the thickness of the depletion layer decreases till I-region becomes free of mobile carriers
B.Reverse biased and the thickness of the depletion layer increases till I-region becomes free of mobile carriers
C.Forward biased and the thickness of the depletion layer increases till I-region becomes free of mobile carriers
D.Reverse biased and the thickness of the depletion layer decreases till I-region becomes free of mobile carriers
Q 56 :
The number of holes in an N-type silicon with intrinsic value 1.5 × 1010/cm3 and doping concentration of 1017/cm3, by using mass-action law is
A.6.67 × 106/cc
B.4.44 × 10-25/cc
C.1.5× 10-24/cc
D.2.25 × 103/cc
Q 57 :
A tunnel-diode is best suited for
A.Very low frequencies
B.50 Hz
C.100 Hz
D.Microwave frequencies
Q 58 :
Small recovery time of a diode is most significant for
A.Line-frequency rectification
B.Switching operations
C.High-frequency rectifications and switching operations
D.Low-frequency rectifications and switching operations
Q 59 :
In JFET, when operated above the pinch-off voltage, the
A.Depletion region becomes smaller
B.Drain current starts decreasing
C.Drain current remains practically constant
D.Drain current increases steeply
Q 60 :
Thermal runaway is not possible in FET because, as the temperature of FET increases
A.The drain current increases
B.The mobility of charge carriers decreases
C.The mobility of charge carriers increases
D.The transconductance increases
Q 61 :
Consider the following statements regarding an N-P-N Bipolar Junction Transistor:
1. Emitter diode is forward biased and collector diode is reverse biased
2. Emitter has many free electrons
3. Free electrons are injected into base and pass through collector
4. Depletion layers around junction J1 and J2 of BJT are widened
Which of the above statements are correct?
A.1, 2 and 4
B.1, 3 and 4
C.2, 3 and 4
D.1, 2 and 3
Q 62 :
A freewheeling diode T phase controlled rectifier
A.Improves the line power factor
B.Enables inverse operation
C.Is responsible for additional reactive power
D.Is responsible for additional harmonics
Q 63 :
The zeners incorporated within the encapsulations of some MOSFETs are meant for
A.Reducing the cost
B.Biasing the gate circuit
C.Self-protecting the device against transients
D.None of the above
Q 64 :
When UJT is used for triggering an SCR, the wave-shape of the signal obtained from UJT circuit is
A.Sine wave
B.Saw tooth wave
C.Trapezoidal wave
D.Square wave
Q 65 :
Darlington pairs are frequently used in linear ICs because, they
C.Can be readily formed/hooked from two adjacent transistors
D.Resemble emitter follower
Q 66 :
In a MOS capacitance fabricate on a P-type semiconductor, strong inversion occurs, when potential is
A.Equal to Fermi level
B.Zero
C.Negative and equal to Fermi potential in magnitude
D.Positive and equal to Fermi potential in magnitude
Q 67 :
A CMOS amplifier when compared to an N channel MOSFET has the advantage of
A.Higher cutoff frequency
B.Higher voltage gain
C.Higher current gain
D.Lower power dissipation
Q 68 :
Consider the following statements regardingoptocouplers:
1. Optocouplers are LEDs driving photodiodes in a single package to provide electrical isolation between input and output
2. Optocouplers is LED driving a phototransistor in a single package that replaces pulse transformers working at input zero crossing
3. Optocouplers are used as temporary non fixed joints between optical fibre terminations
Which of the above statements are correct?
A.1, 2 and 3
B.1 and 2 only
C.1 and 3 only
D.2 and 3 only
Q 69 :
Which of the following does not cause permanent damage to an SCR ?
A.High current
B.High rate of rise of current
C.High temperature rise
D.High rate of rise of voltage
Q 70 :
The basic structure of an avalanche photodiode is
A.p+ – i – p – n+
B.p+ – I – n+
C.p+ – p- – n+
D.i – p- – n+
Q 71 :
A five digits number is formed using the digits 1, 3, 5, 7 and 9 without repeating any of them. What is the sum of all such possible five digit numbers ?
A.6666660
B.6666600
C.6666666
D.6666606
Q 72 :
Examples of an active display and a passive display respectively are
A.LCD and Gas discharge plasma
B.LED and LCD
C.Gas discharge plasma and LED
D.Electrophoretic Image display and LED
Q 73 :
The dc resistivity and permeability exhibited by a type 1 superconductor are respectively
A.Zero and zero
B.Zero and unity
C.Unity and zero
D.Unity and unity
Q 74 :
Statement (I):One of the mechanisms by which a transistor’s usefulness may be terminated, as the collector voltage is increased, is called punch through. Statement (II): Punch through results from the increased width of the collector-junction transition region with increased collector-junction voltage
A.Both Statement (I) and Statement (II) are individually true and Statement (II) is the correct explanation of Statement (I)
B.Both Statement (I) and Statement (II) are individually true and Statement (II) is NOT the correct explanation of Statement (I)
C.Statement (I) is true but Statement (II) is false
D.Statement (I) is false but Statement (II) is true
Q 75 :
Statement (I): Conduction takes place in an enhancement MOSFET only for gate voltages below the threshold level. Statement (II):In an enhancement MOSFET, a channel of semiconductor of the same type as the source and drain is induced in the substrate by a positive voltage applied to the gate.
A.Both Statement (I) and Statement (II) are individually true and Statement (II) is the correct explanation of Statement (I)
B.Both Statement (I) and Statement (II) are individually true and Statement (II) is NOT the correct explanation of Statement (I)
C.Statement (I) is true but Statement (II) is false
D.Statement (I) is false but Statement (II) is true
Quantitative Aptitude
Q 76 :
If A exceeds B by 40%, B is less than C by 20%, then A C is,:
A.28 : 25
B.26 : 25
C.3 : 2
D.3 : 1
Q 77 :
What is the sum of 130+125+191 ?
A.335
B.456
C.446
D.426
Q 78 :
If , then x is equal to
A.5
B.3
C.2
D.4
Q 79 :
A sum of money doubles itself at compound interest in 15 years. In how many years it will become eight times ?
A.30
B.45
C.50
D.60
Q 80 :
Compound interest (compounded annually) on a certain sum of money for 2 years at 4% per annum is Rs. 102. The simple interest on the same sum for the same rate and for the same period will be
A.Rs. 99
B.Rs. 101
C.Rs. 100
D.Rs. 98
Q 81 :
There are 5 red balls, 4 yellow balls and 3 green balls in a basket. If 3 ball are drawn at random. What is the probability that at least 2 of them are green in colour?
Q 82 :
Which of the following fractions is in descending order ?
Q 83 :
The value of
A.9
B.7
C.11
Q 84 :
The square root of is
Q 85 :
If (1101)2 = 1212201 find the value at
A.110.1
B.11.01
C.1.101
D.11.001
Q 86 :
A discount of 15% on one article is the same as discount of 20% on a second article. The costs of the two articles can be
A.Rs. 85, Rs. 60
B.Rs. 60, Rs. 40
C.Rs. 40, Rs. 20
D.Rs. 80, Rs. 60
Q 87 :
is equal to
A.-2
B.2
C.0
D.1
Q 88 :
Four number-pairs have been given, out of which three are alike in some manner and one is different. Select the number-pair that is different.
A.28 : 163
B.16 : 91
C.27 : 82
D.22 : 127
Q 89 :
The simplified value of is
A.0.075
B.0.705
C.0.750
D.7.500
Q 90 :
The digit in unit's place of the number
(1570)2 + (1571)2 + (1572)2 + (1573)2 is
A.4
B.1
C.2
D.3
Q 91 :
Select the letter-cluster from among the given options that can replace the question mark (?) in the following series.
MEND, PHJZ, SKFV, VNBR, ?
A.YJYN
B.YQXN
C.YRXO
D.YQZM
Q 92 :
Select the option in which the numbers are related in the same way as are the numbers of the following set.
(12, 14, 143)
A.(12, 18, 246)
B.(17, 12, 134)
C.(16, 10, 235)
D.(15, 19, 252)
Q 93 :
=?
A.4
B.6
C.8
D.10
Q 94 :
Select the option in which the numbers are NOT related in the same way as are the numbers of the following set.
(64, 91, 118)
A.(46, 73, 101)
B.(48, 75, 102)
C.(72, 99, 126)
D.(55, 82, 109)
Q 95 :
is equal to
A.12.0
B.11.5
C.11.0
D.10.5
Q 96 :
The simplified value of is
A.3
B.2
C.4
D.6
Q 97 :
Given that = 3.6 and = 11.4, then the value of is equal to
A.36.164
B.37.254
C.36.254
D.37.154
Q 98 :
The monthly income of three cricketers Ankit, Sanjay and Roshan, from different sources, are in the ratio of 12 : 9 : 7, and their expenditures are in the ratio 15 : 9 : 8. If Ankit saves 25% of his income for future investments, what is the ratio of the savings of Ankit, Sanjay and Roshan?
A.15 : 18 : 11
B.25 : 16 : 13
C.5 : 8 : 7
D.23 : 18 : 11
Q 99 :
Given that is approximately equal to 4898, is nearly equal to
A.0.544
B.1.333
C.1.633
D.2.666
Q 100 :
Which of the following numbers 0.1, 0.01, (0.11)2, is greatest?
, then x is equal to
is
is equal to 
=?
is equal to
is
= 3.6 and 
= 11.4, then the value of 
is equal to 
is approximately equal to 4898, 
is nearly equal to
is greatest?