Q. 4 A

Find out th

Answer :

i) is correct. British mines were faced with problem of water seepage, which had to be removed before extracting coal.

ii) is incorrect. Removing water was a labour intensive work, and often required huge expenditures.

iii) is incorrect. Thomas Newcomen developed the water pump, which was used to remove water from mines.

iv) is correct for procedural reasons.

Rate this question :

How useful is this solution?
We strive to provide quality solutions. Please rate us to serve you better.
Try our Mini CourseMaster Important Topics in 7 DaysLearn from IITians, NITians, Doctors & Academic Experts
Dedicated counsellor for each student
24X7 Doubt Resolution
Daily Report Card
Detailed Performance Evaluation
view all courses