How many questions were in GATE EE 2022?

GATE EE 2022 had 65 questions in total - 10 from General Aptitude, 10 from Engineering Mathematics, and 45 from core electrical engineering subjects including Power Systems, Control Systems, Electrical Machines, Power Electronics, and Analog & Digital Electronics.

What was the exam pattern for GATE Electrical Engineering 2022?

GATE EE 2022 followed a pattern with Multiple Choice Questions (MCQs) and Numerical Answer Type (NAT) questions. The exam was of 3 hours duration with a total of 100 marks. General Aptitude carried 15 marks, Engineering Mathematics 13 marks, and the remaining 72 marks were from core electrical engineering subjects.

Where can I download GATE EE 2022 question paper ?

You can download the GATE Electrical Engineering 2022 question paper with solutions from this page. The includes all questions with detailed step-by-step solutions and explanations.

What was the difficulty level of GATE EE 2022?

GATE EE 2022 was considered moderate to difficult. The paper had a good mix of easy, moderate, and difficult questions. Power Systems and Electrical Machines sections were relatively easier, while Control Systems and Power Electronics had some challenging questions.

Electrical Engineering Gate 2022 Questions with Answer

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Ques 53 GATE 2022

A 3-phase grid-connected voltage source converter with DC link voltage of 1000 V is switched using sinusoidal Pulse Width Modulation (PWM) technique. If the grid phase current is 10 A and the 3-phase complex power supplied by the converter is given by (-4000-j3000) VA, then the modulation index used in sinusoidal PWM is ________. (round off to two decimal places)

(0.47) is the correct answer.

Ques 54 GATE 2022

The steady state current flowing through the inductor of a DC-DC buck boost converter is given in the figure below. If the peak-to-peak ripple in the output voltage of the converter is 1 V, then the value of the output capacitor, in µF, is ________. (round off to nearest integer)

(168) is the correct answer.

Ques 55 GATE 2022

The most commonly used relay, for the protection of an alternator against loss of excitation, is

offset Mho relay.

over current relay.

differential relay.

Buchholz relay.

(a) is the correct answer.

Ques 56 GATE 2022

The geometric mean radius of a conductor, having four equal strands with each strand of radius 'r', as shown in the figure below, is

1.414 r

1.723 r

(d) is the correct answer.

Ques 57 GATE 2022

The valid positive, negative and zero sequence impedances (in p.u.), respectively, for a 220 kV, fully transposed three-phase transmission line, from the given choices are

1.1, 0.15 and 0.08

0.15, 0.15 and 0.35

0.2, 0.2 and 0.2

0.1, 0.3 and 0.1

(b) is the correct answer.

Ques 58 GATE 2022

The fuel cost functions in rupees/hour for two 600 MW thermal power plants are given by
Plant 1: C₁ = 350 + 6P₁ + 0.004P₁²
Plant 2: C₂ = 450 + aP₂ + 0.003P₂²
where P₁ and P₂ are power generated by plant 1 and plant 2, respectively, in MW and a is constant. The incremental cost of power (λ) is 8 rupees per MWh. The two thermal power plants together meet a total power demand of 550 MW. The optimal generation of plant 1 and plant 2 in MW, respectively, are

200, 350

250, 300

325, 225

350, 200

(b) is the correct answer.

Ques 59 GATE 2022

Two generating units rated for 250 MW and 400 MW have governor speed regulations of 6% and 6.4%, respectively, from no load to full load. Both the generating units are operating in parallel to share a load of 500 MW. Assuming free governor action, the load shared in MW, by the 250 MW generating unit is ________. (round off to nearest integer)

(195) is the correct answer.

Ques 60 GATE 2022

A 20 MVA, 11.2 kV, 4-pole, 50 Hz alternator has an inertia constant of 15 MJ/MVA. If the input and output powers of the alternator are 15 MW and 10 MW, respectively, the angular acceleration in mechanical degree/s² is ________. (round off to nearest integer)

(75) is the correct answer.

Ques 61 GATE 2022

The transfer function of a real system, H(s), is given as: H(s) = (As+B)/(s²+Cs+D) where A, B, C and D are positive constants. This system cannot operate as

low pass filter.

high pass filter.

band pass filter.

an integrator.

(d) is the correct answer.

Ques 62 GATE 2022

Let a causal LTI system be governed by the following differential equation y(t) + (1/4)dy/dt = 2x(t), where x(t) and y(t) are the input and output respectively. Its impulse response is

2e^-t/4u(t)

2e^-4tu(t)

8e^-t/4u(t)

8e^-4tu(t)

(d) is the correct answer.

Ques 63 GATE 2022

Let an input x(t) = 2sin(10πt) + 5cos(15πt) + 7sin(42πt) + 4cos(45πt) is passed through an LTI system having an impulse response, h(t) = 2(sin(10πt)/πt)cos(40πt). The output of the system is

2sin(10πt) + 5cos(15πt)

5cos(15πt) + 7sin(42πt)

7sin(42πt) + 4cos(45πt)

2sin(10πt) + 4cos(45πt)

Ques 64 GATE 2022

Consider the system as shown below

where y(t) = x(e^t). The system is

linear and causal.

linear and non-causal.

non-linear and causal.

non-linear and non-causal.

(b) is the correct answer.

Ques 65 GATE 2022

The discrete time Fourier series representation of a signal x[n] with period N is written as x[n] = Σ_k=0^N-1 a_ke^j(2knπ/N). A discrete time periodic signal with period N=3, has the non-zero Fourier series coefficients: a_-3=2 and a₄=1. The signal is

2+2e^-(j2πn/6)cos(2πn/6)

1+2e^(j2πn/6)cos(2πn/6)

1+2e^(j2πn/3)cos(2πn/6)

2+2e^(j2πn/6)cos(2πn/6)

(b) is the correct answer.

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