Question

Rule (ruler/scale), capable of reading the dimensions of test specimens to an accuracy of ________

(a) 1mm

(b) .1mm

(c) 10mm

(d) .5mm

The question was asked at a job interview.

Question is from Flexural Strength of Concrete in section Testing of Concrete of Concrete Technology

Answer 1

Right answer is (a) 1mm

To explain: Rule (ruler/scale), capable of reading the dimensions of test specimens to an accuracy of 1 mm.