Virtual Labs

a: rebound of an elastic mass depends on the hardness of the surface it strikes b: rebound of an elastic mass depends on the roughness of the surface it strikes c: rebound of an inelastic mass depends on the adhesion of the surface it strikes d: rebound of an inelastic mass depends on the hardness of the surface it strikes

3. What is the minimum distance required between testing points and edge of sample as per IS:516?

a: 25 mm b: 10 mm c: 15 mm d: 20 mm

4. What is the minimum number of readings should be taken on each face of sample in the experiment as per IS:516?

a: 6 b: 9 c: 8 d: 7

5. Rebound index doesn't depend on which of the following?

a: Type of aggregate b: Type of reinforcements c: Type of cement d: Surface moisture content

6. Which part and section of IS 516 covers the objective, procedure, apparatus etc. of Rebound Hammer Test

a: Part 5 Sec 1 b: Part 1 Sec 4 c: Part 5 Sec 4 d: Part 1 Sec 1

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