Concept Question For the uniform state of plane strain shown in the fig ure,which one(s) of the following statement(s) is(are valid?(Assume Poisson's ratio v+0) 33≠0,∈11≠0,a2=0 ∈33≠0,∈11≠0,22=0 33≠0,∈11=0,622≠0 ≠0,∈11≠0,022≠0 Eqn. (1)and Eqn. 3) Cqn. (2)and Eqn. ( 3) Eqn. (4)and Eqn. (1) Eqn、(2) and Eqn.(4) DKDU++++ ++++ ++++ ++++ ++++ Concept Question ++++ ++++ ++++ ++++ ++++ w δ L x x 1 3 d x x3 2 For the uniform state of plane strain shown in the fig￾ure, which one(s) of the following statement(s) is(are) valid? (Assume Poisson’s ratio ν �= 0): �33 �= 0, �11 �= 0, σ22 = 0 �33 �= 0, �11 �= 0,�22 = 0 �33 �= 0, �11 = 0,�22 �= 0 �33 �= 0, �11 �= 0, σ22 �= 0 1. ++++ Eqn.(1) and Eqn.(3) 2. ++++ Eqn.(2) and Eqn.(3) 3. ++++ Eqn.(4) and Eqn.(1) 4. ++++ Eqn.(2) and Eqn.(4) 5. ++++ DKDU (1) (2) (3) (4)