In the context of provisions relating to durability of concrete, consider the following assertion: Assertion (1): As per IS 456-2000, air entrainment to the extent of 3% to 6% is required for concrete exposed to marine environment. Assertion (2): The equivalent alkali content (in terms of Na2O equivalent) for a cement containing 1% and 0.6% of Na2O and K₂O, respectively, is approximately 1.4% (rounded to 1 decimal place). Which one of the following statements is correct? A. Assertion (1) is true and Assertion (2) is FALSE B. Both Assertion (1) and Assertion (2) are TRUE C. Both Assertion (1) and Assertion 2) are FALSE D. Assertion (1) is false and Assertion (2) is TRUE

In the context of provisions relating to durability of concrete, consider the following assertion: Assertion (1): As per IS 456-2000, air entrainment to the extent of 3% to 6% is required for concrete exposed to marine environment. Assertion (2): The equivalent alkali content (in terms of Na2O equivalent) for a cement containing 1% and 0.6% of Na2O and K₂O, respectively, is approximately 1.4% (rounded to 1 decimal place). Which one of the following statements is correct? A. Assertion (1) is true and Assertion (2) is FALSE B. Both Assertion (1) and Assertion (2) are TRUE C. Both Assertion (1) and Assertion 2) are FALSE D. Assertion (1) is false and Assertion (2) is TRUE

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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Question

In the context of provisions relating to durability of concrete, consider the following
assertion:
Assertion (1): As per IS 456-2000, air entrainment to the extent of 3% to 6% is required for
concrete exposed to marine environment.
Assertion (2): The equivalent alkali content (in terms of Na2O equivalent) for a cement
containing 1% and 0.6% of Na2O and K₂O, respectively, is approximately 1.4% (rounded to 1
decimal place).
Which one of the following statements is correct?
A. Assertion (1) is true and Assertion (2) is FALSE
B. Both Assertion (1) and Assertion (2) are TRUE
C. Both Assertion (1) and Assertion 2) are FALSE
D. Assertion (1) is false and Assertion (2) is TRUE

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