GATE ECE format:mcq PYQs & Answers — Page 24

Questions 231–240 of 426. Imported answers require independent review unless marked reviewed.

The electrical system shown in the figure converts input source current

to output voltage

Diagram for Electronics and Communication Engineering question 33

Current

in the inductor and voltage

across the capacitor are taken as the state variables, both assumed to be initially equal to zero, i.e.,

and

. The system is

Your answerChoose one option.

completely state controllable as well as completely observable

completely state controllable but not observable

completely observable but not state controllable

neither state controllable nor observable

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A digital transmission system uses a (7, 4) systematic linear Hamming code for transmitting data over a noisy channel. If three of the message-codeword pairs in this code

, where

is the codeword corresponding to the

message

, are known to be (1100; 0101100), (1110; 0011110) and (0110; 1000110), then which of the following is a valid codeword in this code?

Your answerChoose one option.

1101001

1011010

0010111

0110100

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The impedance matching network shown in the figure is to match a lossless line having characteristic impedance

with a load impedance

. A quarter-wave line having a characteristic impedance

is connected to

. Two stubs having characteristic impedance of 75 Ω each are connected to this quarter-wave line. One is a short-circuited (S.C.) stub of length

connected across PQ and the other is an open-circuited (O.C.) stub of length

connected across RS.

Diagram for Electronics and Communication Engineering question 35

The impedance matching is achieved when the real part of

Your answerChoose one option.

112.5 Ω

75.0 Ω

50.0 Ω

33.3 Ω

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The untimely loss of life is a cause of serious global concern as thousands of people get killed ____ accidents every year while many other die____diseases like cardio vascular disease, cancer, etc.

Your answerChoose one option.

in, of

from, of

during, from

from, from

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He was not only accused of theft _____ of conspiracy.

Your answerChoose one option.

rather

but also

but even

rather than

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Select the word that fits the analogy:

Explicit: Implicit :: Express: ____

Your answerChoose one option.

Impress

Repress

Compress

Supress

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The Canadian constitution requires that equal importance be given to English and French. Last year, Air Canada lost a lawsuit, and had to pay a six-figure fine to a French-speaking couple after they filed complaints about formal in-flight announcements in English lasting 15 seconds, as opposed to informal 5 second messages in French.

The French-speaking couple were upset at _____.

Your answerChoose one option.

the in-flight announcements being made in English.

the English announcements being clearer than the French ones.

the English announcements being longer than the French ones.

equal importance being given to English and French.

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A superadditive function

satisfies the following property

Which of the following functions is a superadditive function for

Your answerChoose one option.

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The global financial crisis in 208 is considered to be the most serious world-wide financial crisis, which started with the sub-prime lending crisis in USA in 2007. The sub-prime lending crisis led to the banking crisis in 208 with the collapse of Lehman Brothers in 2008. The sub-prime lending refers to the provision of loans to those borrowers who may have difficulties in repaying loans, and it arises because of excess liquidity flowing the East Asian crisis.

Which one of the following sequences shows the correct precedence as per the given passage?

Your answerChoose one option.

East Asian crisis → subprime lending crisis → banking crisis → global financial crisis.

Subprime lending crisis → global financial crisis → banking crisis → East Asian crisis.

Banking crisis → subprime lending crisis → global financial crisis → East Asian crisis.

Global financial crisis → East Asian crisis → banking crisis → subprime lending crisis.

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It is quarter past three in your watch. The angle between the hour hand and the minute hand is ______.

Your answerChoose one option.

0°

7.5°

15°

22.5°

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GATE ECE format:mcq PYQs

Question 33

Question 34

Question 35

Question 1

Question 2

Question 3

Question 4

Question 5

Question 6

Question 7