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

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

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Soil Mechanics and Foundation
The rise of water table below the foundation influences the bearing capacity of soil mainly by reducing

effective unit weight of soil and effective angle of shearing resistance
cohesion and effective angle of shearing resistance
cohesion and effective unit weight of soil
effective angle of shearing resistance

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Soil Mechanics and Foundation
In a triaxial compression test when drainage is allowed during the first stage (i. e. application of cell pressure) only and not during the second stage (i.e. application of deviator stress at constant cell pressure), the test is known as

consolidated undrained test
unconsolidated drained test
consolidated drained test
unconsolidated undrained test

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