Civil Engineering MCQJE Level Civil Engineering
In LSM, the design yield stress of Fe415 steel used in flexure calculations is:
RCCRCCEASY
Choose the correct answer
A
0.67fy
B
0.87fy
C
fy directly
D
0.75fy
Correct Answer
B. 0.87fy
Why is this the answer?
Design yield stress = fy/γm = 415/1.15 = 0.87fy = 0.87 × 415 = 361 MPa. IS 456 uses 0.87fy as the design tensile strength of steel. The factor 1.15 accounts for variability in steel strength.
Related RCC MCQs
More solved RCC questions for AE/JE Civil Engineering exams.
- The 'ductility' of RC structures is improved under earthquake loading by:
- For a circular RC water tank with rigid base, the hoop tension is maximum at:
- The 'end block' in a post-tensioned member is specially designed for:
- A 'shear wall' in a multi-storey RC building acts as:
- The 'minimum clear cover' for reinforcement in a RCC beam in severe exposure (IS 456) is:
- The 'torsion' in RC beams is resisted by:
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