IS : 1343 – 1980 limits the minimum characteristic strength of pre-stressed concrete for post-tensioned work and pretension work is

IS : 1343 – 1980 limits the minimum characteristic strength of pre-s

1.	IS : 1343 – 1980 limits the minimum characteristic strength of pre-stressed concrete for post-tensioned work and pretension work is
A.	25 MPa, 30 MPa respectively
B.	25 MPa, 35 MPa respectively
C.	30 MPa, 35 MPAa respectively
D.	30 MPa, 40 MPa respectively
Answer» E.

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IS : 1343 – 1980 limits the minimum characteristic strength of pre-stressed concrete for post-tensioned work and pretension work is

IS : 1343 – 1980 limits the minimum characteristic strength of pre-stressed concrete for post-tensioned work and pretension work is

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