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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Soil Mechanics and Foundation
The shear strength of a soil

Is directly proportional to the angle of internal friction of the soil
Decreases with increase in normal stress
Is inversely proportional to the angle of internal friction of the soil
Decreases with decrease in normal stress

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