6. In adverse circumtances, the reinforced concrete member immersed in sea water or subjected to sea spray, the maximum permissible cover for the reinforcing bars, should not exceed
Correct Answer: The gross section of the web of channels is the depth of the web multiplied by its thickness
8. The over all depth of a solid slab is 20 cm and effective depth is 15 cm. The horizontal distance between parallel main reinforcement should not be more than
10. If l is the effective span in metres and D is overall depth of the section in mm, the structure may be accepted after 24 hour load test, provided the maximum deflection in mm is less than