Drifters can be used to drill_________________?

Related Mcqs:

Which one of the following tunnelling methods is used for laying under ground sewers ?

A. Needle beam method B. Army method C. German method D. Italian method...

The most suitable soil for compressed air tunneling is________________?

A. silt B. sand C. clay D. gravel...

Which of the following methods of tunneling is used for long tunnels at great depths ?

A. Army method B. Needle beam method C. Austrian method D. English method...

As compared to a single free face, if a charge of explosive is placed equidistant from two faces, then the yield___________________?

A. remains same B. decreases C. increases by 2.25 times D. increases by 3.5 times...

What is the correct sequence of the following events of construction of a shaft in rock ?

1. drilling and blasting 2. timbering 3. pumping 4. mucking Select the correct answer using the codes given below Codes? A. 1,2,3,4 B. 1,4,2,3 C. 2,1,4,3 D. 2,4,1,3...