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Certificate in Strata Control - Metalliferous Exam Practice Questions - Certificate in Strata Control - Metalliferous (South Africa) Exam

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About this Exam

Prepare with the Certificate in Strata Control - Metalliferous Exam Practice Questions - Certificate in Strata Control - Metalliferous (South Africa) Exam practice quiz. This question bank includes 100 questions covering joint, rock, calculate, stope, and support. Use it to review important concepts, identify knowledge gaps, and build confidence for the related exam, course, or assessment.

Sample Questions

Question 1
In deep South African tabular gold mines subject to rockburst conditions, what is the primary function of a Rapid Yielding Hydraulic Prop (RYHP)?
To maintain a rigid, unyielding force until the surrounding rock mass fails completely
To yield at a controlled force under high-velocity dynamic convergence while maintaining support resistance
To provide temporary support during drilling only and be removed prior to blasting
To serve as a passive timber replacement without any internal pressure relief mechanism
Question 2
A stope hangingwall has an expected potential unstable fallout height of 1.2 m. Assuming a rock density of 2700 kg/m³ and gravitational acceleration g = 9.81 m/s², calculate the required minimum Support Resistance (SR) in kPa to stabilize this deadweight load.
31.8 kPa
42.5 kPa
25.4 kPa
18.2 kPa
Question 3
A line of 200 kN RYHPs is installed in a stope with a prop spacing of 1.5 m along strike and 1.2 m along dip. Calculate the support resistance provided by this prop layout.
111.1 kPa
166.7 kPa
88.9 kPa
200.0 kPa
Question 4
Which characteristic makes stiff composite packs preferable to traditional timber mat packs in deep tabular stopes with high convergence rates?
Composite packs have higher initial stiffness and yield capability, reducing initial stope closure and bed separation
Composite packs are completely rigid and do not compress under stope closure
Timber mat packs have superior initial stiffness compared to concrete-timber composite packs
Composite packs are significantly lighter and easier to assemble manually than pure timber packs
Question 5
What is a major strata control benefit of placing cemented classified tailings backfill in deep narrow-vein tabular stopes?
It reduces total regional stope closure and Energy Release Rate (ERR), lowering overall rockburst risk
It completely eliminates the need for any face area support or tendon installation
It increases the stress concentration at the immediate stope face area to enhance rock breaking
It acts as a rigid non-compressible pillar with zero volume change under deep overburden pressure

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Additional Information

Certificate in Strata Control - Metalliferous Exam Practice Questions - Certificate in Strata Control - Metalliferous (South Africa) Exam

This practice set contains 100 questions from the matching question bank and focuses on joint, rock, calculate, stope, and support. Work through each question carefully, review the provided solutions, and revisit topics that need more study before your next attempt.

This is an independent study resource intended for practice and review; it is not an official examination or an endorsement by any organization named in the title.

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Frequently Asked Questions

This quiz contains a total of 100 practice questions carefully selected to test your knowledge on this subject.
Yes, you will have exactly 0 minutes to complete the exam. A countdown timer will be visible once you start.
Yes, you can retake this practice test as many times as you need. The questions and options may be randomized on subsequent attempts to ensure comprehensive learning.

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