GATE CE topic:infrastructure PYQs & Answers — Page 57

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Questions 561–570 of 1300. Imported answers require independent review unless marked reviewed.

Topic practice 1300 questionsPage 57 of 130

A rectangular channel with Gradually Varied Flow (GVF) has a change bed slope. If the change is from a steeper slope to a steep slope, the resulting GVF profile is

Your answerChoose one option.

S₃

S₁

S₂

either S₁ or S₂, depending on the magnitude of the slopes

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The dimension of dynamic viscosity is:

Your answerChoose one option.

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The total hardness in raw water is 500 milligram per liter as CaCO₃. The total hardness of this raw water, expressed in milligram equivalent per liter, is

(Consider the atomic weights of Ca, C, and O as 40 g/mol, 12 g/mol, and 16 g/mol, respectively.)

Your answerChoose one option.

100

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A process equipment emits 5 kg/h of volatile organic compounds (VOCs). If a hood placed over the process equipment captures 95% of the VOCs, then the fugitive emission in kg/h is

Your answerChoose one option.

0.25

4.75

2.50

0.48

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An aerial photograph is taken from a flight at a height of 3.5 km above mean sea level, using a camera of focal length 152 mm. If the average ground elevation is 460 m above mean sea level, then the scale of the photograph is

Your answerChoose one option.

1 : 20000

1 : 20

1 : 100000

1 : 280

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Match the following attributes of a city with the appropriate scale of measurements.

Attribute	Scale of measurement
(P) Average temperature (°C) of a city	(I) Interval
(Q) Name of a city	(II) Ordinal
(R) Population density of a city	(III) Nominal
(S) Ranking of a city based on ease of business	(IV) Ratio

Which one of the following combinations is correct?

Your answerChoose one option.

(P)-(I), (Q)-(III), (R)-(IV), (S)-(II)

(P)-(II), (Q)-(I), (R)-(IV), (S)-(III)

(P)-(II), (Q)-(III), (R)-(IV), (S)-(I)

(P)-(I), (Q)-(II), (R)-(III), (S)-(IV)

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A line between stations P and Q laid on a slope of 1 in 5 was measured as 350 m using a 50 m tape. The tape is known to be short by 0.1 m.

The corrected horizontal length (in m) of the line PQ will be

Your answerChoose one option.

342.52

349.30

356.20

350.70

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If the magnetic bearing of the Sun at a place at noon is S 2° E, the magnetic declination (in degrees) at that place is

Your answerChoose one option.

2° E

2° W

4° E

4° W

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The matrix

is defined as

and has eigenvalues 5 and −2. The matrix

is formed as

Which of the following is/are the eigenvalue(s) of matrix

Your answerSelect all correct options. You can choose more than one.

−20

−30

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and

are two square matrices of the same order. Which of the following statement(s) is/are correct?

Your answerSelect all correct options. You can choose more than one.

and

are invertible, then

and

are invertible, then

and

are invertible, then

and

are not invertible, then

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GATE CE topic:infrastructure PYQs

Question 21

Question 21

Question 22

Question 22

Question 23

Question 23

Question 24

Question 24

Question 25

Question 25