Civil Engineering
GATE CE branch:ce PYQs
Build your understanding with focused practice from past exam papers.
Questions 61–70 of 1300. Imported answers require independent review unless marked reviewed.
Question 31
Open questionCENAT1 markNeeds review
For a liquid, the permeability of a sandy soil having a void ratio of 0.60 was determined as 0.14 cm/s. Considering the same liquid and by using Taylor’s equation, the permeability (in cm/s) of this soil corresponding to the void ratio of 0.80 is _____ (rounded off to two decimal places).
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Open questionCENAT1 markNeeds review
The eigenvalues of
are
,
, and
.The absolute value of the determinant of matrix
is _____ (rounded off to two decimal places).Log in to check the answer
You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answerQuestion 32
Open questionCENAT1 markNeeds review
To obtain undisturbed clay soil sample, an Area Ratio of 10 % needs to be achieved for a thin walled sampling tube. If the outer diameter of the tube is 50.8 mm, the inner diameter (in mm) is __________________ (rounded off to one decimal place).
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Open questionCENAT1 markNeeds review
The probability (in %) that a storm having return period of 15 years may occur in the next 10 years is _____ (rounded off to two decimal places).
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Open questionCENAT1 markNeeds review
The travel times of three vehicles on a 2 km stretch of road are 4, 5, and 8 minutes. Assuming the speed of each vehicle to be constant in this stretch, the Space Mean Speed (in km/h) of the vehicles is __________ (rounded off to two decimal places).
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Open questionCENAT1 markNeeds review
A fully saturated sandy soil deposit has water content 20 % and specific gravity 2.65.
The critical hydraulic gradient for seepage through the soil to create the quicksand condition is __________ (rounded off to two decimal places).
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Open questionCENAT1 markNeeds review
A 30 m long tape is standardized at 25 °C. It was used to measure the length of a line which came out to be 200 m. The temperature during the measurement was 35 °C. The coefficient of expansion of the tape was 11 × 10⁻⁶ per °C. The correction in the measured length (in mm) due to change in temperature is _____ (in integer).
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Open questionCENAT1 markNeeds review
A downgrade of 1 in 100 meets an upgrade of 1 in 125 on a road. If the rate of change of grade is 0.10 % per 30 m, the length (in m) of the vertical curve between the two grades is _____ (rounded off to the nearest integer).
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Open questionCENAT1 markNeeds review
The height of the plane of collimation of a leveling instrument is 100.000 m from a datum. The leveling instrument measures a Back Sight of 1.500 m on a vertically held staff at a ground point P. The reduced level (in m) of the ground point P with respect to the datum is ____________ (rounded off to three decimal places).
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Open questionCENAT1 markNeeds review
A tourist visiting a city holds a map prepared at a scale of 1:2500. The tourist measures the distance between place A and place B in the city as 12.0 cm on the map. Assuming both the places are connected by a straight road, the distance (in km) the tourist needs to walk from A to B is __________ (rounded off to the nearest integer).
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