Question

In universal testing machine, for a circular section specimen, the gauge length is taken to be ______________

(a) 3.65 √A

(b) 4.65 √A

(c) 5.65 √A

(d) 6.65 √A where A is the area of cross section of the specimen

I have been asked this question in a national level competition.

Question is from Compression Test in portion Testing of Concrete of Concrete Technology

Answer 1

Right option is (c) 5.65 √A

The explanation is: It is the formula to find the gauge length when we have the area of the specimen.