Civil Engineering - GATE Exam Questions

26. 

If φ = nominal diameter of reinforcing bar, fs = compressive stress in the bar and fbd= design bond stress of concrete, the anchorage length, La of straight bar in compression is equal to :

A.
B.
C.
D.

Answer: Option D

Explanation:

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27. 

Alligator or map cracking is the common type of failure in

A. concrete pavements
B. bituminous surfacing
C. gravel roads
D. WBM construction

Answer: Option B

Explanation:

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28. 

A steel beam supporting loads from the floor slab as well as from wall is termed as

A. Stringer beam
B. Lintel beam
C. Spandrel beam
D. Header beam

Answer: Option A

Explanation:

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29. 

For an anisotropic soil, permeabilities in x and y directions are kx and ky respectively in a two dimensional flow. The effective permeability keq for the soil is given by

A. kx + ky
B. kx/ky
C. (kx2 + ky2)1/2
D. (kxky)1/2

Answer: Option D

Explanation:

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30. 

Chemical oxygen Demand (COD) of a sample is always greater than Biochemical Oxygen Demand (BOD) since it represents :

A. biodegradable organic matter only
B. biodegradable and non-biodegradable organic matter
C. non-biodegradable organic matter
D. inorganic matter

Answer: Option B

Explanation:

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