Mine Supports And Strata Control - Study Mode

[#146] In terms of resourcefulness [Reserveper km 2 ] which of the Indian coal fields in on top position.
Correct Answer

(D) Jharia coal fields

[#147] As for roof support DAST stands for
Correct Answer

(A) Double acting signal telescope

[#148] The stored energy in the material called
Correct Answer

(D) Brittlenes

[#149] The roof which will give warning before fracture.
Correct Answer

(C) Sand stone

[#150] Which support gives greater head room clearnace in road ways.
Correct Answer

(D) Bolt