Question

The size of a commonly used specimen for compression test is:

(a) 50×30 mm

(b) 150x150x150 mm

(c) 150x50x50 mm

(d) 150×150 mm

Answer 1

The correct option is (b) 150x150x150 mm

To explain: The commonly used specimen to test compressive strength is a cube. It has 3 dimensions-length, width and height. These cubes are cast in moulds of size 150x150x150mm.