Question Bank
SQAE Jabalpur Technician Exam (Electrical) - English
Duration: 120 · Questions: 100 · Max Marks: 100 · Language: 3
English Language
1
I go to Madurai by —– Vaigai Express
2
Have the car stolen!
3
The payment was collected by the hardworking salesman.
4
I had to stop all my work to complete this project.
5
They have published the names of all the successful candidates.
6
The Finance Department has ……………a centralized online databank system for all statutory government bodies to …………an eye on their assets and liabilities.
7
Assets
8
Affidavit
9
Hollow
10
Cosset
General Intelligence
1
‘Gram’ is relatd to ‘Mass’ in the same way as ‘Centimetre’ is related to
2
'Mustard' is related to 'Seed' in the same way as 'Carrot' is related to
3
Which of the following pairs of words have the same relationship as Fan : Heat?
4
'Radish' is related to 'Root', in the same way as 'Brinjal' is related to
5
'Jackal' is related to 'Carnivorous', in the same way as 'Goat' is related to
6
Given Set : (6, 15, 28)
7
Given Set : (81, 77, 69)
8
Kick : Football
9
Rectangle : Pentagon
10
Inherit : Acquire
Quantitative Aptitude
1
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:__________ ?
2
Which of the following numbers is irrational ?
3
356 x 936 – 356 x 836 = ?
4
Arrange in descending order: 5/8, 7/10, 3/4
5
What is (3^{4} times 9^{2}) ?
6
Chemistry but not in Physics.
7
Physics or Maths but not in Chemistry.
8
What is the percentage of persons who read all the three papers ?
9
What is the percentage of persons who read only two papers?
10
What is the percentage of persons who read only one paper ?
General Awareness
1
Yojna a weekly journal
2
Kurukshetra a journal on rural development is published by
3
Devaluation of a currency means
4
In India rural incomes are generally lower than the urban incomes, which of the following reasons account for this
1. a large number of farmers are illiterate and know little about scientific agriculture
2. prices of primary products are lower than those of manufactured products
3. Investments in agriculture has been low when compared to investment in industry
1. a large number of farmers are illiterate and know little about scientific agriculture
2. prices of primary products are lower than those of manufactured products
3. Investments in agriculture has been low when compared to investment in industry
5
Which of the following programmes aims at the promotion of savings among rural women
6
‘Raising and Accelerating MSME Performance’ (RAMP) is supported by which global institution ?
7
Which section of Railways has completed 100 per cent electrification across the Zone ?
8
Kaziranga National Park is located along which Indian River ?
9
Which bank acquired the Indian consumer banking business of City Bank ?
10
The Lok Sabha passed a bill to merge three municipal corporations of which city into a single entity ?
Electrical
1
Assuming both the voltage sources are in phase, the value of R for which maximum power is transferred from circuit A to circuit B is
2
For the intrinsic gallium-arsenide, the conductivity at room temperature 25°C is 10-6 (ohm-m)-1, the electron and hole nobilities are 0.85 m2/V-s and 0.04 m2/V-s respectively. What is the intrinsic carrier concentration at the room temperature?
3
The resistivity of intrinsic germanium at 30°C is 0.46 –m. What is the intrinsic carrier density at 30°C if the electron mobility is 0.38 m2/V-s and the hole mobility is 0.18 m2/V-s?
4
Heat conduction in a semiconductor takes place
5
Brewster angle is the angle when a wave is incident on the surface of a perfect dielectric at which there is no reflected wave and the incident wave is
6
An electrical breakdown of a p-n junction occurs if
7
The chief deterrent to the widespread application of superconducting materials is
8
Which one of the following properties is not observed in the carbon nanotubes ?
9
The evidence for the importance of electron-phonon interaction in super-conductors comes from
10
Which one of the following materials is used for cable insulation ?
11
For high speed reading and storing of information in a computer, the material used is
12
The temperature above which an anti-ferromagnetic material becomes paramagnetic is called
13
Which effect is the converse of Peltier effect ?
14
Magnetic materials which may be readily magnetized in either direction are
15
Consider the following statements regarding a ferromagnetic material:
1.Below the ferromagnetic Curie temperature, the ferromagnetic materials exhibit hysteresis effect.
2.The coercive force is the filed required to reduce the flux density to zero.
Which of the above statements is/are correct?
1.Below the ferromagnetic Curie temperature, the ferromagnetic materials exhibit hysteresis effect.
2.The coercive force is the filed required to reduce the flux density to zero.
Which of the above statements is/are correct?
16
The impact ionization phenomenon in semiconductor may be viewed as the reverse process of
17
Refractive index of a slice glass can be reduced by doping it with tiny amount of
18
If a diameter of a copper wire is increased by two times keeping its terminal voltage same, then the drift velocity will
19
In an induction type energy meter, the steady speed attained by the rotating disc is
1.Proportional to the deflecting torque.
2.Proportional to the resistance of the path of eddy currents.
3.Inversely proportional to the effective readings of disc from its axis.
4.Inversely proportional to the square of brake magnetic flux.
Which of the above are correct?
1.Proportional to the deflecting torque.
2.Proportional to the resistance of the path of eddy currents.
3.Inversely proportional to the effective readings of disc from its axis.
4.Inversely proportional to the square of brake magnetic flux.
Which of the above are correct?
20
If ‘KCLFTSB’ stands for ‘best of luck’ and ‘SHSWDG’ stands for ‘good wishes’, which of the following indicates ‘ace the exam’?
21
Consider the following statements associated with the basic electrostatic properties of ideal conductors:
1.The resultant field inside is zero.
2.The net charge density in the interior is zero.
3.Any net charges reside on the surface.
4.The surface is always equipotential.
5.The field just outside is zero.
Which of the above statements are correct?
1.The resultant field inside is zero.
2.The net charge density in the interior is zero.
3.Any net charges reside on the surface.
4.The surface is always equipotential.
5.The field just outside is zero.
Which of the above statements are correct?
22
A semiconductor device made out of a material having very high temperature coefficient of resistance is
23
The electrical conductivity of a semiconductor increases with increase in temperature because
24
Which of the following are associated with soft superconductors?
1.Silsbee’s rule
2.Meissner effect
3.Faraday rotation
4.Curie-Weiss law
1.Silsbee’s rule
2.Meissner effect
3.Faraday rotation
4.Curie-Weiss law
25
In a two-channel oscilloscope operating in x-y mode, two in-phase 50 Hz sinusoidal waveforms of equal amplitude are fed to the two channels. What will be the resultant pattern on the screen?
26
Materials, whose resistivity at very low temperature plunges from a finite value to zero and remains there upon further cooling, are known as
27
In a superconductor, is the temperature is decreased below its critical temperature, the value of critical magnetic field will
28
The imaginary part of dielectric constant determines
29
Direction: Each of the items consists of two statements, one labeled as the ‘Statement (I)’ and the other as ‘Statement (II)’. Examine these two statements carefully and select the answers to these items using the codes given below
30
In 8085A microprocessor, the operation performed by the instruction LHLD 2100 H is
31
When a very small amount of higher conducting metal is added to a conductor, its conductivity will
32
An electrically balanced atom has 30 protons in its nucleus and 2 electrons in its outermost shell. The materials made of such atom is
33
The temperature coefficient of resistance of a doped semiconductor is
34
In the slice processing of an integrated circuit
35
Permanent magnet loses the magnetic behaviour when heated because of
1. atomic vibration
2. dipole vibration
3. realignment of dipoles
Which of the above are correct?
1. atomic vibration
2. dipole vibration
3. realignment of dipoles
Which of the above are correct?
36
A Zener regulator has an input voltage varying between 20 V and 30 V. The desired regulated voltage is 12 V, while the load varies between 140 
and 10k The maximum resistance in series with the unregulated source and Zener diode would be
and 10k The maximum resistance in series with the unregulated source and Zener diode would be- A.3.3
- B.6.6
- C.36.6
- D.93.3
37
A short in any type of circuit (series, parallel or combination) causes the total circuit
1. resistance to decrease
2. power to decreases
3. current to increase
Which of the above are correct?
1. resistance to decrease
2. power to decreases
3. current to increase
Which of the above are correct?
38
An air-cored solenoid of 250 turns has a cross-sectional area A = 80 cm2 and length l = 100 cm. The value of its inductance is
39
The current in a coil changes uniformly from 10 A to 1 A in half a second. A voltmeter connected across the coil gives a reading of 36 V. The self-inductance of the coil is
40
In a mutually coupled circuit, the primary current is reduced from 4A to zero in 10 s. A voltage of 40000 V is observed across the secondary. The mutual inductance between the coils is
41
A semiconductor differs from a conductor in that it has
42
Which of the following circuits is used for converting a sine wave into a square wave?
43
Which of the following elements of electrical engineering cannot be analyzed using Ohm’s law ?
44
Consider the following statements: A power supply uses bridge rectifier with a capacitor input filter. If one of the diodes is defective, then
1. The dc load voltage will be lower than its expected value
2. Ripple frequency will be lower than its expected value
3. The surge current will increase considerably
Which of the above statements are correct?
1. The dc load voltage will be lower than its expected value
2. Ripple frequency will be lower than its expected value
3. The surge current will increase considerably
Which of the above statements are correct?
45
Three identical amplifiers each having a voltage gain of 50 are cascaded. The open loop voltage gain of the combined amplifier is
46
A clamper circuit
1. Adds or subtracts a dc voltage to or from a waveform
2. Does not change the shape of the waveform
Which of the above statements are correct?
1. Adds or subtracts a dc voltage to or from a waveform
2. Does not change the shape of the waveform
Which of the above statements are correct?
47
If a carrier of 100% modulated AM is suppressed before transmission, the power saving is nearly
48
When the modulating frequency is doubled the modulation index is halved and the modulating voltage remains constant. This happens when the modulating system is
49
The four basic elements in a PLL are loop filter, loop amplifier, VCO and
50
In a frequency modulated (FM) system, when the audio frequency is 500 Hz and audio frequency voltage is 2.4 V, the frequency deviation is 4.8 kHz. If the audio frequency voltage is now increased to 7.2 V then what is the new value of deviation?
51
If a square matrix of order 100 has exactly 15 distinct eigenvalues, then the degree of the minimum polynomial is
52
For high speed reading and storing of information in a computer, the core shall be of
53
Soft magnetic materials should have
54
Orbital magnetic moment of an electron, in an atom, is of the order of
55
When the temperature of a ferromagnetic material exceeds the Curie temperature, it behaves similar to a
56
What is the correct sequence of the following materials in ascending order of their resistivity ?
1. Iron
2. Silver
3. Constantan
4. Mica
5. Aluminium
Select the correct answer using the codes given below :
1. Iron
2. Silver
3. Constantan
4. Mica
5. Aluminium
Select the correct answer using the codes given below :
57
In the first Cauer network, with a pole at infinity, the first element must be
58
The total magnetic moment
1. is called saturation magnetization.
2. depends on the number of magnetic dipoles per unit volume, the instant electric current and the area of the current loop.
Which of the above statements is/are correct ?
1. is called saturation magnetization.
2. depends on the number of magnetic dipoles per unit volume, the instant electric current and the area of the current loop.
Which of the above statements is/are correct ?
59
Susceptibility of a diamagnetic material is 1. Negative
2. Positive
3. Dependent on the temperature
4. Independent of the temperature
2. Positive
3. Dependent on the temperature
4. Independent of the temperature
60
Superconductivity is a material property associated with