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Metallurgical Engineering
Extractive Metallurgy
Difficulty: Medium
Match the type of reagent used in floatation in Group 1 with reagent in Group 2 . Group 1 Group 2 P. Collector 1. Pine oil Q. Regulator 2. Copper sulphate R. Activator 3. Sodium ethyl xanthate S. Frother 4. Lime
More Metallurgical Engineering Questions
For powder of Aluminium and its alloys, the sintering temperature and time is
Determination of ash content of coal during its proximate analysis, the temperature of weighed coal sample is raised to 400 - 500°C in half an hour and maintained at the same level for further half an hour. The temperature is then raised to . . . . . . . . °C at which the sample is heated for one more hour before weighing it.
The purpose of injection of calcium into liquid steel is to P. replace Al 2 O 3 inclusions by CaO inclusions Q. modify Al 2 O 3 inclusions into calcium aluminate inclusions R. reduce sulfur content of steel S. reduce nitrogen content of steel
A material is loaded elastically under plane stress condition given by the following tensor: \[\left[ {\begin{array}{*{20}{c}} 1 \\ 0 \end{array}\begin{array}{*{20}{c}} 2 \\ 1 \end{array}\begin{array}{*{20}{c}} 0 \\ 0 \end{array}} \right]\] The modulus of rigidity is 25 MPa. The maximum elastic engineering strain is
Which of the following is a typical rolling defect?