GATE CE discipline:civil-and-environmental-engineering PYQs & Answers — Page 42

Questions 411–420 of 1300. Imported answers require independent review unless marked reviewed.

For the integral

which of the following statements is TRUE?

Your answerChoose one option.

The integral does not converge

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Let

be a scalar field, and

be a vector field. Which of the following identities is true for

Your answerChoose one option.

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A hanger is made of two bars of different sizes. Each bar has a square cross-section. The hanger is loaded by three-point loads in the mid vertical plane as shown in the figure. Ignore the self-weight of the hanger. What is the maximum tensile stress in N/mm² anywhere in the hanger without considering stress concentration effects?

Diagram for Civil Engineering question 12

Your answerChoose one option.

15.0

25.0

35.0

45.0

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Which of the following probability distribution functions (PDFs) has the mean greater than the median?

Your answerChoose one option.

Function 1

Function 2

Function 3

Function 4

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Creep of concrete under compression is defined as the ________.

Your answerChoose one option.

increase in the magnitude of strain under constant stress

increase in the magnitude of stress under constant strain

decrease in the magnitude of strain under constant stress

decrease in the magnitude of stress under constant strain

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A remote village has exactly 1000 vehicles with sequential registration numbers starting from 1000. Out of the total vehicles, 30% are without pollution clearance certificate. Further, even- and odd-numbered vehicles are operated on even- and odd-numbered dates, respectively.

If 100 vehicles are chosen at random on an even-numbered date, the number of vehicles expected without pollution clearance certificate is ______.

Your answerChoose one option.

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A singly reinforced concrete beam of balanced section is made of M20 grade concrete and Fe415 grade steel bars. The magnitudes of the maximum compressive strain in concrete and the tensile strain in the steel at the ultimate state under flexure, as per IS 456: 2000 are ________, respectively. (round off to four decimal places)

Your answerChoose one option.

0.0035 and 0.0038

0.0020 and 0.0018

0.0035 and 0.0041

0.0020 and 0.0031

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A circular solid shaft of span L = 5 m is fixed at one end and free at the other end. A torque T = 100 kN.m is applied at the free end. The shear modulus and polar moment of inertia of the section are denoted as G and J, respectively. The torsional rigidity GJ is 50,000 kN.m²/rad. The following are reported for this shaft:

Statement i) The rotation at the free end is 0.01 rad Statement ii) The torsional strain energy is 1.0 kN.m

With reference to the above statements, which of the following is true?

Your answerChoose one option.

Both the statements are correct

Statement i) is correct, but Statement ii) is wrong

Statement i) is wrong, but Statement ii) is correct

Both the statements are wrong

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In cement concrete mix design, with the increase in water-cement ratio, which one of the following statements is TRUE?

Your answerChoose one option.

Compressive strength decreases but workability increases

Compressive strength increases but workability decreases

Both compressive strength and workability decrease

Both compressive strength and workability increase

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M20 concrete as per IS 456: 2000 refers to concrete with a design mix having ________________

Your answerChoose one option.

an average cube strength of 20 MPa

an average cylinder strength of 20 MPa

a 5-percentile cube strength of 20 MPa

a 5-percentile cylinder strength of 20 MPa

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GATE CE discipline:civil-and-environmental-engineering PYQs

Question 11

Question 11

Question 12

Question 12

Question 13

Question 13

Question 14

Question 14

Question 15

Question 15