HAL MT Written Test paper for Electronics

Would you like to provide here HAL Management Trainee Written Test paper for Electronics???

[Arun Vats]

You are looking for HAL Management Trainee Written Test paper for Electronics, the question paper has following topics:

Electromagnetics
Mathematics
Signals and systems
Control systems
Antennas
Network theory
Communications
Basics of electronics
Digital Circuits
Analog Circuits

HAL MT Electronics Question paper

GENERAL AWARENESS

1) ”INDIA is beautiful” who space scientist tell this words*
a) sunitha Williams b) A.P.J abdul kalam

2) which country has minimum WAGE LAW?

3) which JAMES BOND film officially released in china?
a) die another day b) tomorrow never dies c) casino rayol d)…

4) which country foreign revinue was $trillions?

5) if gain =50..it is in dB’s

6) Demultipexer has
a) multiple i/p’s &o/p’s * *b)one i/p & multiple o/p’s
c) multiple i/p’s &one o/p’s * *d)one i/p&one o/p

7) half adder has…
Ans isX-OR & AND gate

8) which device is used for storage of binary numbers
a)Registers * b)latch * c)flipflop * d)..
ans is a;

9) giving one N/W theorem statement and which N/W theorem it is?

10) problem on star to Delta conversion from N/W theory?*

11) 3-4 problems on K-map find out the expression? (sum or product)

12) Vgs=1v,FET voltage =4v then what is Vds?

13) adc=0.98, Ie=2mA find Ib&Ic?

14) which one is digital modulation?
a)pcm * b)ppm * c)pwm * d)pfm

15) integrated MOSFET is used for…compare to BJT?

16) which flip flop is called as Latch?

17) given Transmitted power, modulation index.. find out carrier power?

18) Y(s)=G(s)u(s)…in this G(s) is called as…

19) laplace transform of Differentiation?

20) F=(AB+X’Y) then F’=?
a)(AB)’+(X’Y)’ b)(A+B)(X’+Y’)*
c)…. D)(AB+X’Y)’

21)*
A*
1 1*
C 1 1 D
B
a) B b)A c) C d)none

22) page memory is*
a)256 bits b)255 bits
c)256 bytes d)255 bytes

23) WAP is provided by
a)WWW B).....
it is from cellular mobile application

24) H.L.R means from cellular mobile application…

25) At high frequency which noise is generated?
a)shot noise b)impulse noise

26) problem on PINCHOFF VOLATAGE…

27) problem on Range and frequency from RADAR?

28) which IC is used for X-OR gate operation?

29) MODULATION is need for…

30) what is tree?
a) joining of 2 nodes b) joining of 2 branches
c) joining of 2 loops d)….

31) problem on CRAMMERS RULE find the values of X,Y,Z? given 3 equatoions?

32) I1 I2 I3 I4 I5 I6
x +1 -1 0 1 0 0
Y +1 0 -1 0 1 0
Z 0 +1 -1 0 0 1
find out branch currents?
I1=X+Y; I2=-X+Z; I3=-Y-Z; I4=?; I5=?; I6=?

1.Which one is the oldest Ved.
a)Rig ved * *b)Arth ved * c)Sam ved
ans is a

2.Who is the Man behind Super man ????

3.Aryabhatt was lauched from?
a)usa * * b)R.s.s.a.
ans is a)

4.Flying any plane is prohibited on which building in India?
a)loksabha bahwan * b)India Gate * * * c)Taj Mahal
ans is c)

5.TODA tribals were found in?
a) manipur * b) jharkhand * c) sikkim
i think it shud manipur bt not confirmed

6.some questions on prepostions.

7.some on correct sentenses

8.one on conclusion of para.


1. All equations of transistors actions (with numericals)

2. Diode equations, junction capacitance.

3. Op-amp in different modes like in negative feed back(with formulae).

4. FET Operation, Threshold *Voltage,and equation.

5. Control systems, Nyquist *criterion, Root locaii, Nicholas, Bode plot, Routh *Hurwitz Criterion.

6. Characterization of Control system based on transfer function and characterization

7. Effect of adding poles and zeros on the system stability.

8. Effect of lead and lag phase networks

9. Some questions about networks numericals for rms values avg values

10. Some questions on magnetism of a material,wire,magnetic field (numericals).

11. Some questions form EMFT on transmission lines,wave guides.

12. Trans conductance of transistor,hybrid model.

13. Questions on Tree, Graph in Networks.

14. Types of amplifiers like Class A,B,c.

15. Cascaded filters.

16. Convolution.

17. Numerical on sampling theorem.

18. Fourier series and long sinusoidal function and then tell the avg value of that signal.

19. RLC circuits with wattage *n calculate the currents n ...

20. AM, FM, Envelope Detectors n many more.

21. PI, PD, PID and the effect of derivative and integral cotroller action.

Hi I want the question paper of Electronics of HAL Management Trainee exam so can you provide me?

[Kiran Chandar]

Ok, as you want the question paper of Electronics of HAL Management Trainee exam so here I am providing you.

HAL Management Trainee Electronics question paper

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