GATE EE format:nat PYQs & Answers — Page 23

Questions 221–230 of 256. Imported answers require independent review unless marked reviewed.

Topic practice 256 questionsPage 23 of 26

Consider the unity feedback control system shown. The value of

that results in a phase margin of the system to be 30° is _____. (Give the answer up to two decimal places).

Diagram for Electrical Engineering question 22

You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answer

The initial charge in the 1 F capacitor present in the circuit shown is zero. The energy in joules transferred from the DC source until steady state condition is reached equals ________. (Give the answer up to one decimal place.)

You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answer

The following measurements are obtained on a single phase load: V = 220 V ±1 %, I = 5.0 A ± 1% and W = 555 W ± 2 %. If the power factor is calculated using these measurements, the worst case error in the calculated power factor in percent is _____. (Give answer up to one decimal place.)

You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answer

The mean square value of the given periodic waveform

is ________.

Diagram for Electrical Engineering question 23

You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answer

In the converter circuit shown below, the switches are controlled such that the load voltage

is a 400 Hz square wave.

Diagram for Electrical Engineering question 24

The RMS value of the fundamental component of

in volts is ________.

You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answer

The nominal-

circuit of a transmission line is shown in the figure.

Impedance

and reactance

. The magnitude of the characteristic impedance of the transmission line, in

, is ________. (Give the answer up to one decimal place.)

You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answer

A 3-phase voltage source inverter is supplied from a 600 V DC source as shown in the figure below.

Diagram for Electrical Engineering question 25

For a star connected resistive load of 20 Ω per phase, the load power for 120° device conduction, in kW, is ________.

You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answer

In a load flow problem solved by Newton-Raphson method with polar coordinates, the size of the Jacobian is

. If there are 20 PV buses in addition to PQ buses and a slack bus, the total number of buses in the system is ________.

You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answer

Only one of the real roots of

lies in the interval

and bisection method is used to find its value. For achieving an accuracy of 0.001, the required minimum number of iterations is _________.

You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answer

A 120 V DC shunt motor takes 2 A at no load. It takes 7 A on full load while running at 1200 rpm. The armature resistance is 0.8 Ω, and the shunt field resistance is 240 Ω. The no load speed, in rpm, is _____________.

You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answer

GATE EE format:nat PYQs

Question 22

Question 22

Question 23

Question 23

Question 24

Question 24

Question 25

Question 25

Question 42

Question 42