MATERIALS USED FOR RCC AND TESTS - Practice Mode

1) Which reinforcement strength is preferred in R.C.C?

Low tensile strength High tensile strength Bond strength Compressive strength

Correct Answer: High tensile strength

2) Which bar the hooks are provided?

Plain bars Hot rolled deformed bars Cold twisted bars Hard - drawn steel wire

Correct Answer: Plain bars

3) What is the percentage reduction of strength for the 6 month old cement?

0.2 0.3 0.4 0.5

Correct Answer: 0.3

4) What is the total quantity of coarse and fine aggregate for 50kg cement for M15 grade of concrete required?

625 kg 480 kg 330 kg 250 kg

Correct Answer: 330 kg

5) What is the compressive strength of 150 mm cube at 28 days ordinary concrete of grade M20?

15 N/mm<sup>2</sup> 20 N/mm<sup>2</sup> 25 N/mm<sup>2</sup> 30 N/mm<sup>2</sup>

Correct Answer: 20 N/mm<sup>2</sup>

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