A prismatic beam is shown in the figure. Consider the following statements :1. The structure is unstable. 2. The bending moment is zero at supports and internal hinge.3. It is mechanism.4. It is statically indeterminate.Which of the statements given above is/are correct ?

A prismatic beam is shown in the figure. Consider the following statem

1.	A prismatic beam is shown in the figure. Consider the following statements :1. The structure is unstable. 2. The bending moment is zero at supports and internal hinge.3. It is mechanism.4. It is statically indeterminate.Which of the statements given above is/are correct ?
A.	1, 2, 3 and 4
B.	1, 2 and 3
C.	1 and 2
D.	3 and 4
Answer» C. 1 and 2

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A prismatic beam is shown in the figure. Consider the following statements :1. The structure is unstable. 2. The bending moment is zero at supports and internal hinge.3. It is mechanism.4. It is statically indeterminate.Which of the statements given above is/are correct ?

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