Civil Engineering - GATE Exam Questions

16. 

The Prandtl mixing length for turbulent flow through pipes is

A. independent of shear stress
B. a universal constant
C. zero at the pipe wall
D. independent of radial distance from pipe axis

Answer: Option A

Explanation:

No answer description available for this question. Let us discuss.

17. 

A 40° slope is excavated to a depth of 10 m in a deep layer of saturated clay of unit weight 20 kN.m3; the relevant shear strength parameters are cu = 70 kN/m2 and φu = 0. The rock ledge is at a great depth. The Taylor's stability coefficient for φu = 0 and 40° slope angle is 0.18. The factor of safety of the slope is :

A. 2.0
B. 2.1
C. 2.2
D. 2.3

Answer: Option A

Explanation:

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18. 

Lysimeter and Tensiometer are used to measure respectively, one of the following groups of quantities :

A. Capillary potential and permeability
B. Evapotranspiration and capillary potential
C. Velocity in channels and vapour pressure
D. Velocity in pipes and pressure head

Answer: Option B

Explanation:

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19. 

The ruling minimum radius of horizontal curve of a national highway in plain terrain for ruling design speed of 100 km/hour with e = 0.07 and f = 0.15 is close to

A. 250 m
B. 360 m
C. 36 m
D. 300 m

Answer: Option B

Explanation:

No answer description available for this question. Let us discuss.

20. 

Principle involved in the relationship between submerged unit weight and saturated weight of a soil is based on

A. Equilibrium of floating bodies
B. Archimedes' principle
C. Stokes' law
D. Darcy's law

Answer: Option B

Explanation:

No answer description available for this question. Let us discuss.



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