Q128
What does the term "support resistance" mean in ground control?
A.
Strength of ore against blasting
B.
Ability of rock bolts to conduct electricity
C.
Capacity of support to resist deformation
AnswerD.
Efficiency of hoisting system
Answer: Option C
Solution
Answer: Option C
Solution:
Support resistance is the force support systems can withstand before yielding.The correct answer is: Capacity of support to resist deformationImportant for safety in weak or stressed ground.Measured in kN or tons.