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Question Bank

AAI Senior Assistant (Electronics) Exam - English

Duration: 120 · Questions: 100 · Max Marks: 100 · Language: 1

View AAI Senior Assistant (Electronics) 2026 Exam Page

Technical Subject (Electronics)

1
At temperature of 298 Kelvin, Silicon is not suitable for most-electronic applications, due to small amount of conductivity. This can be altered by
  1. A.Gettering
  2. B.Doping
  3. C.Squeezing
  4. D.Sintering
2
By doping Germanium with Gallium, the types of semi-conductors formed are
1. N type
2. P type
3. Intrinsic
4. Extrinsic
  1. A.1 and 4
  2. B.2 and 4
  3. C.1 and 3
  4. D.2 and 3
3
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 ?
  1. A.1 and 2
  2. B.2 and 3
  3. C.3 and 4
  4. D.1 and 4
4
According to Einstein’s relationship for a semiconductor, the ratio of diffusion constant to the mobility of the charge carriers is
  1. A.Variable and is twice the volt equivalent of the temperature
  2. B.Constant and is equal to the volt equivalent of the temperature
  3. C.Equal to two and is twice the volt equivalent of the temperature
  4. D.Equal to one and is equal to the volt equivalent of the temperature
5
Swept-out voltage in PIN diode happens when PIN diode is
  1. A.Forward biased and the thickness of the depletion layer decreases till I-region becomes free of mobile carriers
  2. B.Reverse biased and the thickness of the depletion layer increases till I-region becomes free of mobile carriers
  3. C.Forward biased and the thickness of the depletion layer increases till I-region becomes free of mobile carriers
  4. D.Reverse biased and the thickness of the depletion layer decreases till I-region becomes free of mobile carriers
6
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
  1. A.6.67 × 106/cc
  2. B.4.44 × 10-25/cc
  3. C.1.5× 10-24/cc
  4. D.2.25 × 103/cc
7
A tunnel-diode is best suited for
  1. A.Very low frequencies
  2. B.50 Hz
  3. C.100 Hz
  4. D.Microwave frequencies
8
Small recovery time of a diode is most significant for
  1. A.Line-frequency rectification
  2. B.Switching operations
  3. C.High-frequency rectifications and switching operations
  4. D.Low-frequency rectifications and switching operations
9
In JFET, when operated above the pinch-off voltage, the
  1. A.Depletion region becomes smaller
  2. B.Drain current starts decreasing
  3. C.Drain current remains practically constant
  4. D.Drain current increases steeply
10
Thermal runaway is not possible in FET because, as the temperature of FET increases
  1. A.The drain current increases
  2. B.The mobility of charge carriers decreases
  3. C.The mobility of charge carriers increases
  4. D.The transconductance increases
11
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?
  1. A.1, 2 and 4
  2. B.1, 3 and 4
  3. C.2, 3 and 4
  4. D.1, 2 and 3
12
A freewheeling diode T phase controlled rectifier
  1. A.Improves the line power factor
  2. B.Enables inverse operation
  3. C.Is responsible for additional reactive power
  4. D.Is responsible for additional harmonics
13
The zeners incorporated within the encapsulations of some MOSFETs are meant for
  1. A.Reducing the cost
  2. B.Biasing the gate circuit
  3. C.Self-protecting the device against transients
  4. D.None of the above
14
When UJT is used for triggering an SCR, the wave-shape of the signal obtained from UJT circuit is
  1. A.Sine wave
  2. B.Saw tooth wave
  3. C.Trapezoidal wave
  4. D.Square wave
15
Darlington pairs are frequently used in linear ICs because, they
  1. A.Do not require any capacitors or inductors
  2. B.Have enormous impedance transformation capability
  3. C.Can be readily formed/hooked from two adjacent transistors
  4. D.Resemble emitter follower
16
In a MOS capacitance fabricate on a P-type semiconductor, strong inversion occurs, when potential is
  1. A.Equal to Fermi level
  2. B.Zero
  3. C.Negative and equal to Fermi potential in magnitude
  4. D.Positive and equal to Fermi potential in magnitude
17
A CMOS amplifier when compared to an N channel MOSFET has the advantage of
  1. A.Higher cutoff frequency
  2. B.Higher voltage gain
  3. C.Higher current gain
  4. D.Lower power dissipation
18
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?
  1. A.1, 2 and 3
  2. B.1 and 2 only
  3. C.1 and 3 only
  4. D.2 and 3 only
19
Which of the following does not cause permanent damage to an SCR ?
  1. A.High current
  2. B.High rate of rise of current
  3. C.High temperature rise
  4. D.High rate of rise of voltage
20
The basic structure of an avalanche photodiode is
  1. A.p+ – i – p – n+
  2. B.p+ – I – n+
  3. C.p+ – p- – n+
  4. D.i – p- – n+
21
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 ?
  1. A.6666660
  2. B.6666600
  3. C.6666666
  4. D.6666606
22
Examples of an active display and a passive display respectively are
  1. A.LCD and Gas discharge plasma
  2. B.LED and LCD
  3. C.Gas discharge plasma and LED
  4. D.Electrophoretic Image display and LED
23
The dc resistivity and permeability exhibited by a type 1 superconductor are respectively
  1. A.Zero and zero
  2. B.Zero and unity
  3. C.Unity and zero
  4. D.Unity and unity
24
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
  1. A.Both Statement (I) and Statement (II) are individually true and Statement (II) is the correct explanation of Statement (I)
  2. B.Both Statement (I) and Statement (II) are individually true and Statement (II) is NOT the correct explanation of Statement (I)
  3. C.Statement (I) is true but Statement (II) is false
  4. D.Statement (I) is false but Statement (II) is true
25
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.
  1. A.Both Statement (I) and Statement (II) are individually true and Statement (II) is the correct explanation of Statement (I)
  2. B.Both Statement (I) and Statement (II) are individually true and Statement (II) is NOT the correct explanation of Statement (I)
  3. C.Statement (I) is true but Statement (II) is false
  4. D.Statement (I) is false but Statement (II) is true
26
Statement (I): MOSFET is a field effect transistor whose drain current is controlled by the voltage applied at the gate.
Statement (II): MOSFET is an insulated gate FET
  1. A.Both Statement (I) and Statement (II) are individually true and Statement (II) is the correct explanation of Statement (I)
  2. B.
    Both Statement (I) and Statement (II) are individually true and Statement (II) is NOT the correct explanation of Statement (I)
  3. C.
    Statement (I) is true but Statement (II) is false
  4. D.
    Statement (I) is false but Statement (II) is true
27
Statement (I): All passive components can be fabricated in a single chip.
Statement (II): As opposed to discrete circuits where all components are separately inserted and connected, in an integrated circuit, they are simultaneously created on a chip of semiconductor material during manufacturing
  1. A.Both Statement (I) and Statement (II) are individually true and Statement (II) is the correct explanation of Statement (I)
  2. B.
    Both Statement (I) and Statement (II) are individually true and Statement (II) is NOT the correct explanation of Statement (I)
  3. C.
    Statement (I) is true but Statement (II) is false
  4. D.Statement (I) is false but Statement (II) is true
28
What is an advantage of MOS transistor structure in integrated circuits?
  1. A.
    Faster switching
  2. B.
    Less capacitance
  3. C.
    Higher component density and lower cost
  4. D.
    Lower resistance
29
An LTI system has a wide-sense stationary (WSS) input signal with zero mean. Its output is
  1. A.
    Non-zero mean and non-WSS signal
  2. B.
    Zero mean and WSS signal
  3. C.
    Non-zero mean and WSS signal
  4. D.
    Zero mean and non-WSS signal
30
In degenerately doped n conduction n-type semiconductor, the Fermi level lies in conduction band when
  1. A.
    Concentration of electrons in the conduction band exceeds the density of states in the valence band
  2. B.
    Concentration of electrons in the valence band exceeds the density of states in the conduction band
  3. C.
    Concentration of electrons in the conduction band exceeds the product of the density of states in the valence band and conduction band
  4. D.
    None of the above
31
The purpose of connecting a Zener diode in a UJT circuit, used for triggering thyristors, is to
  1. A.
    Expedite the generation of triggering pulses
  2. B.
    Delay the generation of triggering pulses
  3. C.
    Provide a constant voltage to UJT to prevent erratic firing
  4. D.
    Provide a variable voltage to UJT as the source voltage changes
32
Statement (I):With a small additional energy, usually thermal, the valence electrons in germanium can become free electrons.
Statement (II):The valence electrons in germanium are in the fourth orbit and are at high energy level.
  1. A.Both Statement (I) and Statement (II) are individually true and Statement (II) is the correct explanation of Statement (I)
  2. B.
    Both Statement (I) and Statement (II) are individually true and Statement (II) is not the correct explanation of Statement (I)
  3. C.
    Statement (I) is true but Statement (II) is false
  4. D.
    Statement (I) is false but Statement (II) is true
33
Statement (I): An FET is a current-controlled device.
Statement (II): Operation of an FET depends only on majority.
  1. A.Both Statement (I) and Statement (II) are individually true and Statement (II) is the correct explanation of Statement (I)
  2. B.
    Both Statement (I) and Statement (II) are individually true and Statement (II) is not the correct explanation of Statement (I)
  3. C.
    Statement (I) is true but Statement (II) is false
  4. D.
    Statement (I) is false but Statement (II) is true
34
Statement (I): Thermal runaway is not possible in an FET.
Statement (II): As the temperature of an FET increases, the mobility of carriers decreases.
  1. A.Both Statement (I) and Statement (II) are individually true and Statement (II) is the correct explanation of Statement (I)
  2. B.
    Both Statement (I) and Statement (II) are individually true and Statement (II) is not the correct explanation of Statement (I)
  3. C.
    Statement (I) is true but Statement (II) is false
  4. D.
    Statement (I) is false but Statement (II) is true
35
Statement (I): In an enhancement type MOSFET (with n-type source and drain regions), only positive voltage can be applied to the gate with respect to the substrate (p-type).
Statement (II): Only with a positive voltage to the gate, an ‘inversion layer’ is formed and conduction can take place
  1. A.Both Statement (I) and Statement (II) are individually true and Statement (II) is the correct explanation of Statement (I)
  2. B.
    Both Statement (I) and Statement (II) are individually true and Statement (II) is not the correct explanation of Statement (I)
  3. C.
    Statement (I) is true but Statement (II) is false
  4. D.
    Statement (I) is false but Statement (II) is true
36
For a fully transposed transmission line         
  1. A.
    positive negative and zero sequence impedances are equal
  2. B.
    positive and negative sequence impedances are equal
  3. C.
    zero and positive sequence impedances are equal  
  4. D.
    negative and zero sequence impedances are equal                             
37
The best device for improving the switching speeds of bipolar transistors is
  1. A.
    Speed-up capacitor
  2. B.
    Transistor with higher cut-off frequency
  3. C.
    Clamping diode
  4. D.
    Clamping diode with zero storage time
38
The early effect in bipolar junction transistor is caused by
  1. A.
    Fast turn-off
  2. B.
    Fast turn-on
  3. C.
    Large emitter to base forward bias
  4. D.
    Large collector to base reverse bias 
39
To get higher cut-off frequency in a BJT, base sheet resistance should be
  1. A.
    Low
  2. B.
    High
  3. C.
    Equal to cut-off frequency
  4. D.
    Zero
40
A BJT operates as a switch
  1. A.
    In the active region of transfer characteristics
  2. B.
    With no signal condition
  3. C.
    Under small signal conditions
  4. D.
    Under large signal conditions
41
What is the biasing condition of junctions in bipolar junction transistor to work as an amplifier?
  1. A.
    Reverse biased base to emitter junction and reverse biased base to collector junction
  2. B.
    Forward biased base to emitter junction and reverse biased base to collector junction
  3. C.
    Forward biased base to emitter junction and forward biased base to collector junction
  4. D.
    Reverse biased base to emitter junction and forward biased base to collector junction
42
In a JFET, operating above pinch-off voltage, the
  1. A.
    Drain current increases steeply
  2. B.
    Drain current remains practically constant
  3. C.
    Drain current starts decreasing
  4. D.
    Depletion region reduces
43
If Vcc = 18V, voltage divider resistances R1 = 4.7 kΩ and R2 = 1500 Ω, what is the base bias voltage?
  1. A.
    8.70 V
  2. B.
    4.35 V
  3. C.
    2.90 V
  4. D.
    0.70 V
44
An SCR has an anode supply of sine voltage 200Vr.m.s., 50 Hz applied through a 100 Ω resistor and fired at an angle of 60°. Assuming no voltage drop, the r.m.s. value of the output voltage is nearly
  1. A.
    90 V
  2. B.
    126 V
  3. C.
    166 V
  4. D.
    200 V
45
In a GTO, anode current begins to fall when gate current
  1. A.
    Is negative peak at time t=0
  2. B.
    Is negative peak at time t=storage period
  3. C.
    Just begins to become negative at t=0
  4. D.
    Just begins to become positive at t=0 
46
An SCR is turned off when its turn-off time is
  1. A.
    less than the circuit time constant
  2. B.
    greater than the circuit time constant
  3. C.
    less than the circuit turn-off timex
  4. D.
    greater than the circuit turn-off time
47
The bandwidth of a digitally recorded signal primarily depends upon
  1. A.
    The physical properties of the system components processing the signal
  2. B.
    The frequency at which the signal is sampled
  3. C.
    The frequency of the clock signal that is used to encode binary values responding the signal
  4. D.
    The frequency of the noise affecting signal quality
48
While measuring the voltage developed by a thermocouple, it is found that there is always an offset voltage. This is due to
  1. A.
    A voltage across thermocouple even at very low temperature
  2. B.
    Some photoelectric voltage across the junction due to ambient light
  3. C.
    A barrier potential across the junction
  4. D.An additional thermocouple is formed due to the connecting wires and one of the metals.
49
For an antenna, radiation intensity is defined as
  1. A.
    The time-averaged radiated power per unit solid angle
  2. B.
    The peak radiated power per unit solid angle
  3. C.
    The peak radiated power per unit area
  4. D.
    The time-averaged radiated power per unit area
50
A source of (power/energy) feeds the input port of an amplifier and the output port is connected to a ‘load’. The input impedance of the ideal amplifier should ideally be
  1. A.
    Zero
  2. B.
    ∞
  3. C.
    Low
  4. D.
    high
51
Medium doping in Silicon and Germanium corresponds to impurity of the order of
  1. A.
    1 part in 106
  2. B.
    1 part in 105
  3. C.
    1 part in 104
  4. D.1 part in 108
52
An electric field is applied to a semiconductor. Let the number of charge carriers be n and the average drift speed by v. If the temperature is increased then
  1. A.
    Both n and v will increase
  2. B.
    n will increase but v will decrease
  3. C.
    v will increase but n will decrease
  4. D.Both n and v will decrease
53
Statement (I): Centre tap transformer is essential for a centre-tapped rectifier.
Statement (II): In half wave rectification minimum two diodes are required.
  1. A.Both Statement (I) and Statement (II) are individually true and Statement (II) is the correct explanation of Statement (I)
  2. B.
    Both Statement (I) and Statement (II) are individually true and Statement (II) is NOT the correct explanation of Statement (I)
  3. C.
    Statement (I) is true but Statement (II) is false
  4. D.Statement (I) is false but Statement (II) is true
54
Statement (I): Power factor is a measure of the power flow in the insulator and should be low.
Statement (II): It varies with the temperature and usually increases with the rise in temperature of the insulation.
  1. A.Both Statement (I) and Statement (II) are individually true and Statement (II) is the correct explanation of Statement (I)
  2. B.
    Both Statement (I) and Statement (II) are individually true and Statement (II) is NOT the correct explanation of Statement (I)
  3. C.
    Statement (I) is true but Statement (II) is false
  4. D.Statement (I) is false but Statement (II) is true
55
Statement (I): An SCR has a current controlled negative resistance characteristic.
Statement (II):For a given current the voltage can be determined while for a given voltage current cannot be determined.
  1. A.Both Statement (I) and Statement (II) are individually true and Statement (II) is the correct explanation of Statement (I)
  2. B.
    Both Statement (I) and Statement (II) are individually true and Statement (II) is NOT the correct explanation of Statement (I)
  3. C.
    Statement (I) is true but Statement (II) is false
  4. D.
    Statement (I) is false but Statement (II) is true
56
Statement (I): JEET is operated in depletion mode only.
Statement (II): The input resistance of a MOSFET is several orders of magnitude greater than that of a JEET.
  1. A.Both Statement (I) and Statement (II) are individually true and Statement (II) is the correct explanation of Statement (I)
  2. B.
    Both Statement (I) and Statement (II) are individually true and Statement (II) is NOT the correct explanation of Statement (I)
  3. C.
    Statement (I) is true but Statement (II) is false
  4. D.
    Statement (I) is false but Statement (II) is true
57
Statement (I): A photodiode is an example of a photo-conductive sensor.
Statement (II): A photodiode can be used as either a photo conductive or a photo resistive sensor.
  1. A.Both Statement (I) and Statement (II) are individually true and Statement (II) is the correct explanation of Statement (I)
  2. B.
    Both Statement (I) and Statement (II) are individually true and Statement (II) is NOT the correct explanation of Statement (I)
  3. C.
    Statement (I) is true but Statement (II) is false
  4. D.
    Statement (I) is false but Statement (II) is true
58
A heavily doped semiconductor has
  1. A.
    A resistivity which decreases exponentially with temperature
  2. B.
    A resistivity which rises almost linearly with temperature
  3. C.
    A negative temperature coefficient of resistance
  4. D.
    A positive temperature coefficient of resistance
59
A Zener diode has the following properties:
1. It is properly doped crystal diode with sharp breakdown.
2. It is reverse biased
3. Its forward characteristics are just that of ordinary diode
4. Its reverse characteristics are like and ordinary diode
  1. A.1, 2, 3 and 4
  2. B.
    1, 2 and 4 only
  3. C.
    1, 2 and 3 only
  4. D.
    3 and 4 only
60
A tunnel diode is a p-n junction in which
  1. A.
    n-region is degenerately doped
  2. B.
    p-region is degenerately doped
  3. C.
    either n or p-region is degenerately doped
  4. D.
    both n and p-regions are degenerately doped
61
Which is the diode used for measuring light intensity?
  1. A.
    Junction diode
  2. B.
    Varactor diode
  3. C.
    Tunnel diode
  4. D.
    Photo diode
62
Which of the following are essentials of a transistor biasing circuit?
1. Proper zero signal collector current flow
2. VCE should not fall below 0.5 V for Germanium and 1 V for Silicon
3. Ensure stabilization of operating point
4. Loading to the source
  1. A.1, 2 and 3 only
  2. B.
    1, 2 and 4 only
  3. C.
    3 and 4 only
  4. D.
    1, 2, 3 and 4
63
Which of the following options is the closet meaning to the sentence given below?
  1. A.
    she had a terrible time at the party
  2. B.
    she had a horrible time at the party
  3. C.
    she had a terrific time at the party.
  4. D.
    she had a terrifying time at the party
64
When a transistor is saturated,
  1. A.
    The emitter potential is more than the base-collector potential
  2. B.
    The collector potential is more than the base-emitter potential
  3. C.
    The base potential is more than the emitter-collector potential
  4. D.
    The base, emitter and collector are almost the same potential
65
If the value of a transistor changes 0.5% from its nominal value of 0.9, the percentage change in b will be
  1. A.
    0%
  2. B.
    2.5%
  3. C.
    5%
  4. D.
    7.5%
66
If an npn silicon transistor is operated at VCE = 5 V and IC = 100  and has a current gain of 100 in the CE connection, then the input resistance of this circuit will be
  1. A.
    250 Ω
  2. B.
    25 kΩ
  3. C.
    250 kΩ
  4. D.2500 kΩ
67
In a bipolar junction transistor an increase in magnitude of collector voltage increases the space-charge width at the output junction diode. This causes the effective base width to decrease. This effect is known as
  1. A.
    Hall effect
  2. B.Early effect
  3. C.Miller effect
  4. D.Zener effect
68
Given set A ={2, 3, 4, 5} set B = {11, 12, 13, 14, 15}, two numbers are randomly selected one form each set. What is the probability if the sum of the two numbers is equals to 16?                                       
  1. A.
    0.20
  2. B.
    0.25
  3. C.
    0.30
  4. D.0.33                  
69
Most of the linear ICs are based on two-transistor differential amplifiers because of
  1. A.
    Input voltage-dependent linear transfer characteristic
  2. B.
    High voltage gain
  3. C.
    High input resistance
  4. D.
    High CMRR
70
When the photo resist coating (during IC fabrication) is exposed to ultraviolet light the photo resist becomes
  1. A.
    Oxidized
  2. B.
    Ionized
  3. C.
    Polymerized
  4. D.
    Brittle

General Knowledge, General Intelligence, General Aptitude, English

1
Yojna a weekly journal
  1. A.Ministry of Finance        
  2. B.Ministry of Information and Broadcastin
  3. C.Ministry of Rural Development
  4. D.Planning Commission
2
I go to Madurai by —– Vaigai Express
  1. A.a
  2. B.an
  3. C.some
  4. D.the
3
Have the car stolen!
  1. A.Steal the car
  2. B.You should have the stolen car
  3. C.Get someone to steal the car
  4. D.They have stolen the car
4
The payment was collected by the hardworking salesman.
  1. A.The hardworking salesman collected the payment.
  2. B.the salesman who worked heard was able to collect the payment.
  3. C.to collect the payment the salesman had to work hard.
  4. D.The hardworking salesman was able to collect the payment.
5
The Finance Department has ……………a centralized online databank system for all statutory government bodies to …………an eye on their assets and liabilities.
  1. A. presented , stay
  2. B.introduced , keep
  3. C.announce , make
  4. D.created , let
  5. E.proclaimed , hold
6
Assets
  1. A.liabilities
  2. B.responsibilities
  3. C.estates
  4. D.profits
7
Affidavit
  1. A. Affirmation
  2. B.Slander
  3. C.Oath
  4. D.Testimony
8
Hollow
  1. A.Alveolate
  2. B.Cleft
  3. C. Cavernous
  4. D.Solid
9
How many such pairs of letters are there in the word ‘CLEANLINESS’ each of the which has as many letters between them in the word as they have in the English alphabet, in the same sequence?
  1. A.Two
  2. B.Three
  3. C.Five
  4. D.Four
  5. E.None of these
10
Team A has scored more goals than Team B
Team C has scored fewer goals than Team B
Team A has scored fewer goals than Team C .
If the first two statements are true, the third statement is
  1. A.True
  2. B.False
  3. C.Uncertain
  4. D.None
11
If it is possible to make only one meaningful word with the second, the third, the sixth and the eight letters of the word FRAGMENT using each only once, which of the following will be the third letter of that word ? If no such word can be formed, give ‘X’ as the answer and if more than one such word can be formed, give ‘Y’ as the answer.
  1. A.A
  2. B.E
  3. C.T
  4. D.X
  5. E.Y
12
How many such letters are there in the word ORIENTAL each of which is as far away from the beginning of the word as when they are arranged alphabetically?
  1. A.None            
  2. B.One         
  3. C.Two       
  4. D.Three        
  5. E.More than three
13
Which letter in this alphabet is the eighth letter to the right of the letter and which is tenth letter to the left of the last but one letter of the alphabet ?
  1. A.X
  2. B.W
  3. C.I
  4. D.H
14
If the third alphabet of each of the words is changed to the next alphabet in the English alphabetical series, which of the following will form a meaningful English word?
  1. A.SUM
  2. B.BIG
  3. C.Both BIG and THE
  4. D.FOR
  5. E.Both FOR and BIG
15
If the given words are arranged in the order as they would appear in a dictionary from left to right, which of the following will be second from the right ?
  1. A.AND
  2. B.FOR
  3. C.THE
  4. D.BIG
  5. E.SUM
16
If second alphabet in each of the words is changed to next alphabet in the English alphabetical order, how many words having two vowels (same or different vowels) will be formed ?
  1. A.None
  2. B.One
  3. C.Two
  4. D.Three
  5. E.Four
17
The cash difference between the selling prices of an article at a profit of 4% and 6% is Rs. 3. The ratio of the two selling prices is:__________ ?
  1. A.51:52
  2. B.52:53
  3. C.51:53
  4. D.52:55
18
Which of the following numbers is irrational ?
  1. A.√49
  2. B.0.125
  3. C.√2
  4. D.22/7
19
356 x 936 – 356 x 836 = ?
  1. A.35600  
  2. B.34500
  3. C.9630
  4. D.93600
20
Arrange in descending order: 5/8, 7/10, 3/4
  1. A.3/4 > 7/10 > 5/8
  2. B.7/10 > 3/4 > 5/8
  3. C.3/4 > 5/8 > 7/10
  4. D.5/8 > 7/10 > 3/4
21
Chemistry but not in Physics.
  1. A.318
  2. B.198
  3. C.213 
  4. D.206
22
Physics or Maths but not in Chemistry.
  1. A.558   
  2. B.718
  3. C.628  
  4. D.None of these
23
What is the percentage of persons who read all the three papers ?
  1. A.20%  
  2. B.25%
  3. C.30%  
  4. D.40%
24
What is the percentage of persons who read only two papers?
  1. A.19%  
  2. B.31%
  3. C.44%
  4. D.None of these
25
Sattriya dance form is famous in which of these states ?
  1. A.Assam
  2. B.Himachal Pradesh
  3. C.Punjab
  4. D.Tamil Nadu
26

"Who said, 'India was a parrot unto itself'?

  1. A.Malik Muhammad Joyce
  2. B.Raskhan
  3. C.Rich Khusrow
  4. D.Rich Hasan
27
Which is the national game of Bhutan ?
  1. A.badminton
  2. B.basketball
  3. C.football
  4. D.archery
28
When was the Constituent Assembly of India formed?
  1. A.1946
  2. B.1947
  3. C.1948
  4. D.1950
29
Who among the following was associated with Enlightenment philosophy?
  1. A.Voltaire
  2. B.Shakespeare
  3. C.Erasmus
  4. D.All of the above
30
The Indian Navy recently received its second indigenous Diving Support Vessel (DSV). What is its name?
  1. A.Nistar
  2. B.Nipun
  3. C.INS Vikrant
  4. D.INS Arihant
Question for AAI Senior Assistant (Electronics) 2026 - Quiz / Questions / MCQ - Toppersexam