Civil Engineering - GATE Exam Questions

6. 

If, for a fluid in motion, pressure at a point is same in all directions, then the fluid is :

A. a real fluid
B. a Newtonian fluid
C. an ideal fluid
D. a non-Newtonian fluid

Answer: Option C

Explanation:

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7. 

It is proposed to widen and strengthen an existing 2-lane NH section as a divided highway. The existing traffic in one direction is 2500 commercial vehicles (CV) per day. The construction will take 1 year. The design CBR of soil subgrade is found to be 5 percent, Given: traffic growth rate for CV = 8 percent, vehicle damage factor = 3.5 (standard axles per CV), design life = 10 years and traffic distribution factor = 0.75. The cumulative standard axles (msa) computed are

A. 35
B. 37
C. 65
D. 70

Answer: Option B

Explanation:

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8. 

If the shear force at a section of beam under bending is equal to zero then the bending moment at the section is

A. zero
B. maximum
C. minimum
D. minimum or maximum

Answer: Option B

Explanation:

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9. 

In network of pipes

A. the algebraic sum of discharges around each circuit is zero
B. the algebraic sum of (pressure + datum) head drops around each circuit is zero
C. the elevation of hydraulic grade line is assumed for each junction point
D. elementary circuits are replaced by equivalent pipes

Answer: Option B

Explanation:

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10. 

A volume of 3.0 x 106 m3 of ground water was pumped out from an unconfined aquifer, uniformly from an area of 5 km2. The pumping lowered the water table from initial level of 102 m to 99 m. The specific yield of the aquifier is

A. 0.20
B. 0.30
C. 0.40
D. 0.50

Answer: Option A

Explanation:

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