Hindustan Aeronautics Limited Management Trainee Electronics last year question paper

Will you please share with me the Hindustan Aeronautics Limited Management Trainee Electronics last year question papers?

[Arun Vats]

As you want to get the Hindustan Aeronautics Limited Management Trainee Electronics last year question papers so here it is for you:

1 synchro tc and rx is

a ) two phase ac

b) three phase ac

c) dc only

d) none

2 in 4 bit number one bit indicates sign of the number then the locations are from

a) -8 to 8

b) -7 to 7

c) -16 to 16

d) None

3 G(s) = 10/S(S+2) then the natural frequency of this transfer function is

a) 3.146

b) 4

c) 5

d) 2

4 In TV video amplifier is used for =?

5) one block contain one of the R L C element then the frequency of that one is 1 MHZ when the capacitor C= 0.1 uf is added to that block then the frequency becomes 2 MHZ then what is the element inside the block at first time

a) resistor

b) inductor

c) capacitor with 0.5 uf

d) none of these

ans : b

6) For unit step input they gave the input G(S)= – — – – -,h(s)= ——-then he ask the steady state error for that transfer fn

7)Avalanche photo diode is used when compared to PIN diode bcz

a) larger band width C)——-

b) high sensitivity d) ——–

8) some non zero DC voltage is to RC low pass circuit then the DC voltage in the output contains

a) Same as in input

b) Higher than input

c) Zero

d) Slightly increases

9) ifthe output of the gate is always high then the gates applied to this logic are

a) NAND and EXOR

b) Nand and NOR

c) AND and XNOR

d) OR and XOR

Ans ) a

10) For the voltage series feedback he gave input resistance and A and beta value then find the output resistance ?

11)Signal to noise ratio =15 db Bandwidth =4KHZ then the channel capacity -?

Ans : C= B Log (1+ s/n) =16 log 2

12 ) Four messages are given like this 0.5,0.25,0.125,0.125 ,entrophy value is =?

Ans: Entrophy= Avg of all informations

13) Thermal Run away is not possible in FET bcz the flow of

a) minority careers c) _____

b) Transconductance d) none

Ans : FET is unipolar so there are no minority careers .Thermal run away occurs only minority careers

14)Gm= 10 ,Rd =20k,Rl =10 find the amplification factor -=?

Ans = U= Gm Rd

15) Two ideal voltage sourd=ces resistors are connected in series ,power of that one is 4W ,If one of the sorce is active other resistors are shorted .Calculate the power when both are active +/

a) 0W,8W

b) 8W,6W

c) 4W,0W

d) None

16) A TV braod cast tx uses which type of antenna =?

a) parabolic antenna b)=—

c)—– d) —–

ans : a

17) Electric field and equi potential lines are

a) parallel to each other

b) In Quadrature

ans : b

18 ) L1= —– , L2 = —- k= _—- then mutual inductance of the coil is =?

Ans : M=ksquare root of L!and L2

19 ) one cube some is there to find out the how many number of cubes are having single side ?

20)Two qs in verbal are —– two statements are given for that the relation btwn those two

1. When the temperature of the room increased then the energy of semiconductor…

2. Power diode is generally made from: – Silicon/Germanium/Both/None of these

3. Thermionic Emission of electron is due to………….

4. When the both junction of NPN diode is reverse biased, then the diode is in which mode: -
a) Active b) Cutoff c) Saturation d) inverted

5. Which transistor mode gives the inverted output: -
a) Common Emitter b) Common Base c) Common Collector d) None of these

6. Which coupling gives the higher gain in case of amplifier: -
a) Capacitor coupling b) Impedance coupling c) Transformer coupling

7. Which distortion is least objectionable in audio amplification: -
a) Phase b) Frequency c) Harmonic d) Intermediation

8. A narrowband amplifier has a band pass nearly…………of central frequency:-
a) 33.3% b) 10% c) 50%

9. Frequency of wein bridge oscillator

10. Phase shift oscillator consists: -
a) RL b) RC c) RLC

11. Crystal oscillator frequency is very stable due to:-

12. Multivibrater Produces: -
a) Sine wave b) Square wave c) Smooth wave d) sawtooth

13. Convert the 101101 Binary number into octal no: -
a) 65 b) 55 c) 51 d) 45

14. 10 in BCD: -
a) 10100 b) 1100 c) 010111 d) None of these

15. Which PNP device has a terminal for synchronizing purpose:-
a) SCS b) Triac c) Diac d) SUS

16. In 3-Phase full converter, the output during overlap is equal to……………..

17. Addition of indium in semiconductor crystal makes: -
a) PNP b) NPN

18. Free electron exists in which band: -
a) 1 b) 2 c) 3 d) Conduction band

19. Ripple factor of half wave rectifier: -
a) 1.21 b) 0.48 c) 0.5

20. Efficiency of half wave rectifier: -

21. Transistor that can be used in enhancement mode:-
a) NPN b) UJT c) JFET d) MOSFET

21. Following contributes to harmonic distortion in Amplifier: -
a) +Ve feedback b) –Ve feedback c) Defective active device

22. High cutoff frequency: -
a) CB b) CC c) CE

23. Which is used as data selector?
a) Encoder b) Decoder c) modulator d) Demodulator

24. Read write capable memory: -
a) RAM b) ROM c) Both d) None of these

25. When modulation frequency is doubled, modulation index also doubled in case of: -
a) FM b) PM c) AM d) PM & FM

26. Term ’Noise temperature’ is used for

27. Video detector used in TV receiver is a….
a) Diode detector b) Ratio detector c) Phase detector

28. Which isn’t directly operated from mains: -
a) Half wave rectifier b) Centre tap rectifier c) Bridge rectifier d) Voltage doubler

29. In 3-Phase half wave rectifier each diode conducts for duration of: -
a) 30 Degree b) 45 Degree c) 60 Degree d) 180 Degree

30. If number of phase in a multiphase rectifier increased then: -
a) Output increased b) Output decreased c) Output smooth d) No change

31. Which output requires minimum filtration: -
a) Half wave rectifier b) full wave c) SCR half wave rectifier d) Voltage doubler

32. Identify the under circuit
a) Low pass filter b) High pass filter c) Band pass filter

33. Transistor is a following operated device: -
a) Low voltage & low current device
b) Low voltage & high current device
c) Low current & high voltage device
d) High current & high voltage device

Hello brother I want Hindustan Aeronautics Limited Management Trainee Electronics last year question paper?

[Raman Vij]

Hello buddy sorry to say I can’t provide you Hindustan Aeronautics Limited Management Trainee Electronics last year question paper, but I am providing you the syllabus and exam pattern

Exam Pattern

Exam Duration
2:30 Hours

Mode
Online Exam

Type of Paper
Multiple choice Questions based Paper

Total Number of Questions
160

Maximum Marks
160

Syllabus

Subjects Marks Marks No. of Questions
General Knowledge 20 Marks 20
English and Reasoning 40 Marks 40
Specialized Engineering 100 Marks 100
(Engineering: 50 MCQ)
(Marketing: 50 MCQ)

General Knowledge
General science, Economy, sports, awards, geography, culture, history, Indian and international issues, current topics related to aeronautics

Reasoning & English
Language comprehensive, Phrases and Idioms, error correction, verbal and non verbal reasoning, Tenses and English grammar, Synonyms and Antonyms.

Specialized Engineering
Electronics
Analog Circuits, Digital circuit, Basic Electronics, communication, network theory, Antennas, Control System, signal system, mathematics and Electro-magnetic.

Electrical
Electrical Machines, Power system, analog, digital electronics, power electronics, electrical and electronics measurements, control system.

Management
Human Resources, integrated material marketing