GATE Electrical Engineering Paper Test 3 Online

Test Name	GATE Electrical Engineering Paper Test
Subject	GATE
Test Type	MCQs
Total Question	40
Total Marks	80
Total Time	40 Minutes
Test Help For	M.Tech Admissions Government Jobs Post-Graduate Engineering Admissions Engineering Jobs

GATE Electrical Engineering must read complete criteria of exams syllabus for improved preparation. It’s better and most effect full to take online questions test for prep and get superior rank score in examinations. If you want to prepare then focus on all topics of subject with previous exams papers as we organized mcqs test quiz for interested persons following here.

GATE Electrical Engineering Paper Test 3 Online

GATE

1. For the network shown in the given figure, Z(0) = 3Ω and Z (∞) = 2Ω. The values of R₁ and R₂ will respectively be

Test Paper 3.9

2Ω, 3Ω

1Ω, 2Ω

3Ω, 2Ω

2Ω, 1Ω

Question 1 of 40

2. The supply voltage |V| in diagram below is

Test Paper 3.3

50 V

70 V

210 V

230 V

Question 2 of 40

3. Two mechanically coupled alternators deliver power at 50 Hz and 60 Hz respectively. The highest speed of the alternators is

3600 rpm

500 rpm

600 rpm

3000 rpm

Question 3 of 40

4. A major advantage of active filters in that they can be realized without using.

Capacitors

Op-amps

Inductors

Resistors

Question 4 of 40

5. The zener diode shown in the ckt has a reverse breakdown voltage of 10 volts. The power dissipation in R_swould be

2 w

1 w

0.5 w

1.5 w

Question 5 of 40

6. The size of conductor on modern EHV lines is obtained based on

(a) and (b)

Current density

Voltage drop

Corona

Question 6 of 40

7. For the S.F.G. shown in the given figure, the value of x₂ is

Test Paper 3.6

a₁₂ x₁ – a₂₃ x₃ + a₃₂ x₃

a₁₂ x₁

a₁₂ x₁ + a₃₂ x₃

– a₂₃ x₃ – a₃₄ x₄

Question 7 of 40

8. The impulse ratio of a rod gap is

Between 1.2 and 1.5

Between 2 and 2.2

Between 1.6 and 1.8

Unity

Question 8 of 40

9. The major application of chopper drive is in

Miniature motors

Traction

Computer

Heating furnaces

Question 9 of 40

10. If the charge on each of the capacitor in the given figure is 4500 μc, what is the total capacitance (in μf), assuming that the voltage distribution across c₁, c₂, c₃, is in the ratio of 2:3:4?

Test Paper 3.8

11.1

325

22.2

33.3

Question 10 of 40

11. The open-circuit voltage ratio V₂(s)/V₁(s) of the network shown in the given figure is

Test Paper 3.5

1/1 + 2s

1/1 + 2s²

1 + 2s²

1 + 2s

Question 11 of 40

12. The characteristic equation of a closed-loop control system is given by s² + 4s + 16 = 0. The resonant frequency in radians/sec of the system is

2√3

Question 12 of 40

13. Semi closed slots or totally closed slots are used in I.M., essentially to

Increase efficiency

Improve starting torque

Recduce magnetising current and improve power factor.

Increases pull-out torque

Question 13 of 40

14. The output of the ckt shown in the fig. is

Test Paper 3.15

Question 14 of 40

15. The maximum power efficiency of an AM modulator is

100%

50%

25%

75%

Question 15 of 40

16. The reflection coefficient for the transmission line shown in fig. at P is

Test Paper 3.13

0.5

+ 1

– 1

Question 16 of 40

17. In the circuit shown in the given figure, the voltmeter indicates 30 V. the reading of the ammeter will be

Test Paper 3.10

10√2 A

Zero

10 A

20 A

Question 17 of 40

18. The maximum possible speed at which an alternator can be driven to generate 50 Hz and 4,000 V is

3,000 rpm

1,500 rpm

3,600 rpm

4,000 rpm

Question 18 of 40

19. For a 2-port network to be reciprocal

Y₂₁ = Y₁₂

h₂₁ = h₁₂

Z₁₁ = Z₂₂

AD – BC = 0

Question 19 of 40

20. In arc welding, in o9rder to obtain steady arc, one should use

Dc cumulatively comp. generator

Dc differentially compounded generator

Dc shunt generator

Dc series generator

Question 20 of 40

21. Two coupled coils with L₁ = L₂ = 0.6H have a coupling co-efficient of k = 0.8. The turns ratio N₁/N₂ is

0.5

Question 21 of 40

22. In the circuit shown in the given figure the current I through R_L is

Test Paper 3.4

Zero

– 2 A

– 6 A

2 A

Question 22 of 40

23. The principle of operation of an LVDT is based on variation of

Reluctance

Self-inductance

Permeance

Mutual inductance

Question 23 of 40

24. The output voltage Vo in the given amplifier circuit is

Test Paper 3.18

10V

Question 24 of 40

25. If an R-L circuit having impedance angle ф is switched on when the applied sinusoidal voltage wave is passing through an angle θ, there will be no switching transient if

θ – ф = 90°

θ + ф = 0

θ + ф = 90°

θ – ф = 0

Question 25 of 40

26. Smooth cylindrical rotors are usually designed for

24 poles

12 poles

8 poles

2 or 4 poles

Question 26 of 40

27. If a pulse voltage V(t) of 4V magnitude and 2 seconds duration is applied to a pure inductor of 1H, with zero initial current, the current (in amps) drawn at t = 3 seconds will be

Test Paper 3.7

Zero

Question 27 of 40

28. An ideal voltage source will charge an ideal capacitor?

Instantaneously

Exponentially

In infinite time

None of these

Question 28 of 40

29. A phase-lag compensation will

Increase over short.

Improve relative stability

Increase bandwidth

Increase the speed of response

Question 29 of 40

30. Consider the voltage waveform shown in the given figure. The equation for V(t) is

Test Paper 3.17

u (t – 1) + u (t – 2) + u (t – 3) – 3u (t – 4)

u (t – 1) + u (t – 2) + u (t – 3)

u (t – 1) +2 u (t – 2) + 3 u (t – 3)

u (t) + u (t – 1) + u (t – 2) – u (t – 4)

Question 30 of 40

31. A practical current source is usually represented by

A resistance in parallel with an ideal voltage source

A resistance in parallel with an ideal current source

None of the above

A resistance in series with an ideal current source

Question 31 of 40

32. For stability and economic reasons we operate the transmission line with power angle in the range:

60° to 75°

30° to 45°

65° to 85°

10° to 25°

Question 32 of 40

33. A dynamometer type watt meter reponds to the

Peak value of active power

Peak value of reactive power

Average value of reactive power

Average value of active power

Question 33 of 40

34. The system shown in the given figure has a unit step input. In order that the steady-state error is 0.1, the value of k required is

Test Paper 3.11

1.0

0.9

0.1

9.0

Question 34 of 40

35. In the series circuit shown in fig. for series resonance the coupling co-efficient k will be

Test Paper 3.14

0.999

1.0

0.25

0.5

Question 35 of 40

36. An intra-red LED is usually fabricated from

GaAs

GaAsP

Question 36 of 40

37. Which of the following signals is/are periodic?

s (t) = exp (– 7t) sin 10πt

s (t) = cos 2t + cos 3t + cos 5t

s (t) = exp (j 8πt)

s (t) = cos 2t cos 4t

Question 37 of 40

38. The armature resistance of a 6-pole lap wound dc m/c is 0.05 Ω. If the armature is rewound using a wave winding, the armature resistance will be

0.45 Ω

0.10 Ω

0.30 Ω

0.15 Ω

Question 38 of 40

39. In a LVDT, the two secondary voltages

Very unequally depending on the core position

Are always in the phase quadrante

Vary equally depending on the core position

Are independent of the core position

Question 39 of 40

40. In the circuit given in the figure, the limiting error in the power dissipation ‘I² R’ in the resistor R is

1.2%

5.2%

10.2%

11.2%

Question 40 of 40

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GATE Electrical Engineering Paper Test 3 Online

GATE Electrical Engineering Paper Test 3 Online

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