The hammer weight for performing SPT as per IS 2131 is
- A73.5 kg
- B63.5 kgCorrect
- C53.5 kg
- DNone of these
Solution
Concept
SPT hammer (IS 2131)
Step-by-step solution
1. The SPT hammer weighs 63.5 kg and falls 750 mm.
Explanation
The standard hammer is 63.5 kg.
Why the other options are wrong
73.5 and 53.5 kg are not standard.
Shortcut
63.5 kg, 75 cm drop.
Correct answer: B) 63.5 kg