Engineering Mathematics [GATE (Graduate Aptitude Test in Engineering) Electrical Engineering]: Questions 135 - 138 of 169

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Question 135

Engineering Mathematics

Appeared in Year: 2019

Question

MCQ▾

In the circuit shown below, the switch is closed at t = 0. The value of θ in degrees which will give the maximum value of DC offset of the current at the time of switching is

Choices

Choice (4)Response

a.

90

b.

60

c.

-30

d.

-45

Question 136

Engineering Mathematics

Appeared in Year: 2018

Question

Match List-Ⅰ List-Ⅱ▾

Match the transfer functions of the second-order systems with the nature of the system given below.

List-Ⅰ (Transfer Functions)List-Ⅱ (Nature of System)
(A)

(i)

Underdamped

(B)

(ii)

Critically damped

(C)

(iii)

Overdamped

Choices

Choice (4)Response
• (A)
• (B)
• (C)

a.

• (iii)
• (ii)
• (i)

b.

• (i)
• (iii)
• (ii)

c.

• (iii)
• (i)
• (ii)

d.

All of the above

Question 137

Engineering Mathematics

Appeared in Year: 2019

Question

In the single machine infinite bus system shown below, the generator is delivering the real power of 0.8 p. u. at 0.8 power factor lagging to the infinite bus. The power angle of the generator in degrees (round off to one decimal place) is ________.

Question 138

Engineering Mathematics

Appeared in Year: 2017

Question

MCQ▾

A stationary closed Lissajous pattern on an oscilloscope has 3 horizontal tangencies and 2 vertical tangencies for a horizontal input with frequency 3 kHZ. The frequency of the vertical input is

Choices

Choice (4)Response

a.

3 kHz

b.

4.5 kHz

c.

2 kHz

d.

1.5 kHz

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