GATE Civil Engineering (CE) 2021 Shift 2 Solved Paper

Question : 31 of 65

Marks: +1, -0

The internal (d_i) and external (d₀) diameters of a Shelby sampler are 48 mm and 52 mm, respectively. The area ratio (A_r) of the smapler (in %, round off to two decimal places) is _____