In testing a pile by load test, pile platform is loaded with one and half times the design load and a maximum settlement is noted

In testing a pile by load test, pile platform is loaded with one and half times the design load and a
maximum settlement is noted. The load is gradually removed and the consequent rebound is
measured. For a safe pile, the net settlement (i.e. total settlement minus rebound) per tonne of
test load should not exceed

(A) 10 mm

(B) 15 mm

(C) 20 mm

(D) 25 mm

The correct Answer Is
(D) 25 mm