Q.1
In active state, the minor principal stress σ3 is _________
  • a) horizontal direction
  • b) vertical direction
  • c) can be both vertical and horizontal direction
  • d) in no direction
Q.2
In passive state, the major principal stress σ1 ____________
  • a) horizontal direction
  • b) vertical direction
  • c) can be both vertical and horizontal direction
  • d) in no direction
Q.3
In passive state, the minor principal stress σ is _________
  • a) horizontal direction
  • b) vertical direction
  • c) can be both vertical and horizontal direction
  • d) in no direction
Q.4
The ratio of horizontal stress σh to vertical stress σv is _______
  • a) coefficient of earth pressure
  • b) coefficient of volume change
  • c) coefficient of compressibility
  • d) coefficient of consolidation
Q.5
During the active state of plastic equilibrium, the retaining wall moves _______
  • a) towards the fill
  • b) away from the fill
  • c) does not change its position
  • d) remains in equilibrium
Q.6
During the passive state of plastic equilibrium, the retaining wall moves _______
  • a) towards the fill
  • b) away from the fill
  • c) does not change its position
  • d) remains in equilibrium
Q.7
In active state of plastic equilibrium, the earth pressure on the wall ________
  • a) increases
  • b) decreases
  • c) is zero
  • d) is constant
Q.8
In passive state of plastic equilibrium, the earth pressure on the wall ________
  • a) increases
  • b) decreases
  • c) is zero
  • d) is constant
Q.9
In active state, the failure wedge shows ____________
  • a) downward movement
  • b) upward movement
  • c) left side movement
  • d) right side movement
Q.10
In passive state, the failure wedge shows ____________
  • a) downward movement
  • b) upward movement
  • c) left side movement
  • d) right side movement
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