The ____________ is the term used to denote a method in which case is driven into the ground and the material inside the casing is washed out and brought to the surface for inspection. - PrepBharat

Register Now

Lost Password

Lost your password? Please enter your email address. You will receive a link and will create a new password via email.

The ____________ is the term used to denote a method in which case is driven into the ground and the material inside the casing is washed out and brought to the surface for inspection.

a) Deep boring
b) Percussion boring
c) Rotary drilling
d) Wash boring

Answer: d
Explanation: The process of wash boring consists in driving an inner tube of diameter 25 mm to 50 mm, inside an outer tube of diameter 100 mm to 150 mm. Whereas, percussion boring and rotary drilling are the types of Deep boring.

Join The Discussion