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Questions and Answers
What are the two main classes of fluids that can be sampled according to the text?
What are the two main classes of fluids that can be sampled according to the text?
The two main classes of fluids that can be sampled are (a) Liquids - such as water, oil, molten metal, slags, etc. and (b) Gases - such as flue gas, producer gas, etc.
What is the general principle for sampling fluids according to the text?
What is the general principle for sampling fluids according to the text?
For fluids, it is necessary to mix them thoroughly before withdrawing any convenient portion as a sample.
How does the quantity of sample taken depend on the material being sampled according to the text?
How does the quantity of sample taken depend on the material being sampled according to the text?
For fragmental materials, the quantity to be taken depends upon the value and uniformity of the material and the size of the largest particles.
What is the recommended procedure for obtaining a true sample of ore that breaks into lumps of large variation in size?
What is the recommended procedure for obtaining a true sample of ore that breaks into lumps of large variation in size?
What are the two main methods for sampling ore in place according to the text?
What are the two main methods for sampling ore in place according to the text?
What is the purpose of the crushing process in preparing ore samples for chemical analysis?
What is the purpose of the crushing process in preparing ore samples for chemical analysis?
What is the purpose of coning and quartering in sample preparation for ores?
What is the purpose of coning and quartering in sample preparation for ores?
How is the cone flattened during the coning and quartering process?
How is the cone flattened during the coning and quartering process?
What type of equipment is a riffle and what is its purpose?
What type of equipment is a riffle and what is its purpose?
What is the purpose of grinding/pulverizing in sample preparation for ores?
What is the purpose of grinding/pulverizing in sample preparation for ores?
What are the two basic types of sampling errors discussed in the text?
What are the two basic types of sampling errors discussed in the text?
What is the primary objective of sampling in metallurgy?
What is the primary objective of sampling in metallurgy?
Why is contamination a larger issue for precious metals in sampling?
Why is contamination a larger issue for precious metals in sampling?
Why are samples obtained directly from mine face or stockpiles not suitable for chemical analysis?
Why are samples obtained directly from mine face or stockpiles not suitable for chemical analysis?
What is the purpose of sample preparation in the assay laboratory?
What is the purpose of sample preparation in the assay laboratory?
Why is it important for the chemical analysis samples to be true representatives?
Why is it important for the chemical analysis samples to be true representatives?
What are the two distinct operations that must be given equal importance in metallurgical value determinations?
What are the two distinct operations that must be given equal importance in metallurgical value determinations?
What is the term used to describe the process of obtaining small representative material for analysis in metallurgy?
What is the term used to describe the process of obtaining small representative material for analysis in metallurgy?