Question

What is the average depth of a Test pit?

(a) 10 m

(b) 2 m

(c) 1.50 m

(d) 15 m

This question was addressed to me by my school principal while I was bunking the class.

My doubt is from Site Exploration Methods topic in division Site Investigation and Ground Techniques of Construction & Building Materials

Answer 1

Correct answer is (c) 1.50 m

To elaborate: Test Pit is excavated up to a depth about 1.50 m at which sufficiently hard soil is available. The various data of soil can be inspected, studied and classified accordingly. This method is useful when hard soil is available within a maximum depth of 1.50 m.