15 — Mining Engineering
Core Cutting and Grinding Machine
A machine for cutting drilled rock cores to length and grinding their ends flat and parallel to specimen standards. Prepares cores for uniaxial and triaxial compression testing in the rock mechanics laboratory.
01 — Same Category
More in Mining Engineering
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29
Rotary Tell-Tale
A tell-tale with a rotary dial indicator that amplifies small roof displacements for easier reading from the roadway floor. Used in strata control practicals to illustrate sensitive measurement of roof dilation.
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30
Auto Warning Tell-Tale
A tell-tale fitted with an automatic visual or audible alarm that triggers when roof movement exceeds a preset limit. Teaches action-level based monitoring and early warning practice in underground roadways.
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31
Pitot-Static Tube
A probe that senses total and static pressure to determine air velocity and velocity pressure in ducts and airways. Used with a manometer in ventilation laboratories for velocity traverses and fan duct measurements.
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32
Sylvester Prop Withdrawer
A hand-operated ratchet and chain device for withdrawing supports and props from goaf edges at a safe distance. Demonstrates safe prop withdrawal procedure required in caving and depillaring operations.
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33
Extensometer
An instrument that measures relative displacement between anchors in a borehole or across a specimen, used to monitor strata deformation or rock strain. Supports laboratory rock testing and field strata-monitoring exercises.
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34
Telescopic Convergence Indicator
A telescopic rod instrument for measuring roof-to-floor convergence in underground roadways and at longwall faces. Used to quantify closure rates and assess strata behaviour in strata control practicals.
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36
Slake Durability Apparatus
A rotating-drum apparatus that determines the slake durability index of rock, quantifying its resistance to wetting-and-drying breakdown. A standard index test for classifying weak and argillaceous rocks.
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37
Brazilian Test Apparatus
A loading fixture for the Brazilian (diametral compression) test, which determines the indirect tensile strength of rock discs. A standard rock mechanics test used in strength characterization coursework.
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38
Point Load Index Tester
A portable press that loads rock cores or lumps between conical platens to determine the point load strength index. Provides a rapid field and laboratory estimate of uniaxial compressive strength for rock classification.
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39
Magnetic Unlocker for Flame Safety Lamp
A magnetic device for opening the locked bonnet of a flame safety lamp for assembly, cleaning, and examination. Used in mine environment laboratories when teaching the construction and statutory testing of safety lamps.
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40
Gas Chamber Setup
A sealed test chamber in which known concentrations of firedamp or other gases are produced to demonstrate flame safety lamp behaviour and calibrate or verify gas detectors. Central to practicals on mine gas testing.
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41
Turbine Pump
A multistage turbine-type pump used for dewatering, lifting water from sumps and shaft bottoms against high heads. Demonstrates mine drainage machinery, pump characteristics, and dewatering system design.
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