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The metallic constituents are easy to sample when they are carried by a few pieces in a large mass of barren material.
The metallic constituents are easy to sample when they are carried by a few pieces in a large mass of barren material.
False
According to Prof. R.H. Richards' Rule, the weight taken for the sample should be proportional to the diameter of the largest particle.
According to Prof. R.H. Richards' Rule, the weight taken for the sample should be proportional to the diameter of the largest particle.
False
In general sampling practice, the 1st sample should be cut from 5% to 20% of the ore bulk.
In general sampling practice, the 1st sample should be cut from 5% to 20% of the ore bulk.
True
The ratio of weight of the sample to the fineness of division does not play a role in successful sampling.
The ratio of weight of the sample to the fineness of division does not play a role in successful sampling.
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The weight of the 1st sample should not depend on the uniformity of composition and fineness of division of the bulk material.
The weight of the 1st sample should not depend on the uniformity of composition and fineness of division of the bulk material.
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To obtain a fair average proportion of all qualities and sizes of the parent bulk material, methods of cutting out the sample are not important.
To obtain a fair average proportion of all qualities and sizes of the parent bulk material, methods of cutting out the sample are not important.
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The Mode of Occurrence of metallic constituents has no impact on the ease of sampling.
The Mode of Occurrence of metallic constituents has no impact on the ease of sampling.
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Following Prof. R.H. Richards' Rule, the weight taken for a sample is directly proportional to the diameter of the largest particle.
Following Prof. R.H. Richards' Rule, the weight taken for a sample is directly proportional to the diameter of the largest particle.
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In general sampling practice, it is recommended to cut out more than 50% of the ore bulk for the 1st sample.
In general sampling practice, it is recommended to cut out more than 50% of the ore bulk for the 1st sample.
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The ratio between the weight of the sample and the size of the ore particle is not significant for successful sampling.
The ratio between the weight of the sample and the size of the ore particle is not significant for successful sampling.
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