GATE Mock Test: Electrical Engineering (EE)- 6 - Electrical Engineering (EE) MCQ

In DPS Noida the number of students who are opting for various subjects are given below.

In which of the two subjects, number of students is more than 35% and less than 40% of total students in Noida?

Directions: The table lists the size of building lots in the Orange Grove subdivision and the people who are planning to build on those lots. For each lot, installation of utilities costs $12,516. The city charges impact fees of $3,879 per lot. There are also development fees of 16.15 cents per square foot of land.

What approximate percentage is the area of the smallest lot listed, as compared to the area of the largest lot?

Which of the following combination is incorrect?

A reservoir will be filled in 12 hours if two pipes function simultaneously. The second pipe fills the reservoir 10 hours faster than the first. How many hours will the second pipe take to fill the reservoir?

If x+y = 45.6, then the value of (x-25.2)³ + (y-20.4)³ is

If prices are reduced by 20% and sales are increased by 15%, what is the net effect on gross receipts?

In the question below, a part of the sentence is underlined. Below are given alternatives to the underlined part which may improve the sentence. Choose the correct alternative. In case no improvement is needed choose No improvement.

Why do you think this course is necessary for the students?

A segment of a circuit is shown in the figure. V_r= 5 V, V_c = 4 sin 2t .The voltage V_L is given by

If is the Fourier transform of g(t), then g(t) is

A 3-phase, 10,000 kVA, 11 kV alternator has a subtransient reactance of 8%. A 3-phase short-circuit occurs at its terminals. The fault MVA and fault current are

Consider the following circuit shown in below figure.

If V₀ = 10.3V, then Zener voltage(V_Z) is __________ Volts. (rounded upto one decimal place)

Two generators G₁ and G₂ are to be operated in parallel to deliver a total current of 60 A. Generator G₁ has a terminal voltage of 280 V on no-load and 240 V when supplying 40 A current. Similarly, the second generator has a voltage of 300 V, when on no-load and 240 V, when supplying 50 A of current.

The output voltage of each generator will be

The order of differential equation is __________. (in integer)

A three phase bridge inverter is fed from a 500 V D.C. source. The inverter is operated at 180°C conduction mode and it is supplying a purely resistive, star-connected load. The RMS value (in V) of the output (line) voltage is (Answer up to the nearest integer)

Consider the root locus plot of the unity negative feedback system shown in figure below, the range of K for the system to be stable is

Trigonometric Fourier series for a periodic function shown in figure below is given as

The constant k, an and bn are

The circuit is used to produce a square wave. If switching times for multiplexers are1μs,2μs , 2μs and 2μs as shown in figure, then the frequency (f) and duty cycle (D) of V₀ are respectively

A 20-MVA, 6.6-kV, 3-phase alternator is connected to a 3-phase transmission line. The per unit positive-sequence, negative-sequence and zero-sequence impedances of the alternator are j0.1, j0.1 and j0.04, respectively. The neutral of the alternator is connected to ground through an inductive reactor of j0.05 p.u. The per unit positive, negative and zero-sequence impedances of the transmission line are j0.1, j0.1 and j0.3, respectively. All the per unit values are based on the machine ratings. A solid ground fault occurs at one phase of the far end of the transmission line. The voltage (in V) of the alternator neutral with respect to ground during the fault is (Answer up to one decimal place)

Consider a function , then the value of where c is circle defined by

The graph of a function f(x) is shown in the figure.

For f(x) to be a valid probability density function, the value of h is x/3. Find the value of x. (Answer up to the nearest integer)

Consider a combinational circuit shown in below figure.

The circuit behaves as

Solution of the differential equation is

A control system is represented by differential equation where u(t) is the input signal. The order of the state and output matrices are

Stability of a power system can be improved by:

1. Using series compensators

2. Using parallel transmission lines

3. Reducing voltage of transmission

Which of the above statements is/are correct?

The rotor of a 3-phase induction motor has a resistance per phase of 0.04 ohm. This motor has a 0.2-ohm standstill reactance per phase. Neglect stator resistance. If the external resistance 0.02Ω is added to the circuit then what is the percentage improvement in p.f. during starting?

Which of the following conditions must be satisfied for a transistor to be in saturation?

1. Its collector to base junction should be under forward bias.

2. Its collector to base junction should be under reverse bias.

3. Its emitter to base junction should be under reverse bias.

4. Its emitter to base junction should be under forward bias.

Which of the above conditions are true?

The type of feedback used in collector to base bias circuit is