Soil Mechanics and Foundation
In the plate loading test for determining the bearing capacity of soil, the size of square bearing plate should be

greater than 1 m
between 300 mm and 750 mm
between 750 mm and 1 m
less than 300 mm

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Soil Mechanics and Foundation
A cylindrical specimen of saturated soil failed under an axial vertical stress of 100kN/m2 when it was laterally unconfmed. The failure plane was inclined to the horizontal plane at an angle of 45°. The values of cohesion and angle of internal friction for the soil are respectively

0.2 N/mm² and 0°
0.05 N/mm² and 0°
0.5 N/mm² and 30°
0.05 N/mm² and 45°

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Soil Mechanics and Foundation
For a loose sand sample and a dense sand sample consolidated to the same effective stress

ultimate strength is same and also peak strength is same
ultimate strength is different but peak strength is same
ultimate strength is same but peak strength of dense sand is greater than that of loose sand
ultimate strength is same but peak

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