# Civil Engineering - GATE Exam Questions

### Exercise :: GATE Exam Questions - Section 2

36.

The particle size distribution curves are extremely useful for the classification of

 A. fine grained soils B. coarse grained soils C. both coarse grained and fine grained soils D. silts and clays

Explanation:

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37.

If an element of a stressed body is in a state of pure shear with a magnitude of 80 N/mm2 , the magnitude of maximum principal stress at that location is

 A. 80 N/mm2 B. 113.14 N/mm2 C. 120 N/mm2 D. 56.57 N/mm2

Explanation:

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38.

Three reservoirs A, B and C are interconnected by pipes as shown in the below figure Water surface elevations in the reservoirs and the Piezometric Head at the junction J are indicated in the below figure.

Discharges Q1, Q2 and Q3 are related as

 A. Q1 + Q2 = Q3 B. Q1 = Q2 + Q3 C. Q2 = Q1 + Q3 D. Q1 + Q2 + Q3 = 0

Explanation:

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39.

Both Reynolds and Froude numbers assume significance in one of following examples :

 A. Motion of submarine at large depths B. Motion of ship in deep seas C. Cruising of a missile in air D. Flow over spillways

Explanation:

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40.

A direct shear test was conducted on a cohesionless soil (c = 0) specimen under a normal stress of 200 kN/m2. The specimen failed at a shear stress of 100 kN/m2. The angle of internal friction of the soil (degrees) is

 A. 26.6 B. 29.5 C. 30 D. 32.6