In the context of metallurgy, the process of extracting and purifying metals from ores involves several steps. An important component in this process is dealing with impurities. The substance used to remove or mitigate these impurities is known as flux.
Let's examine the provided options:
Therefore, the correct answer is flux.
A flux is a chemical substance used during the extraction of metals to remove impurities (known as gangue) from the ore. The flux reacts with the gangue to form an easily removable compound called slag.
Flux helps in purifying the ore by forming slag with the impurities.
A force of \( P = 100 \, {N} \) is applied at the ends of the pliers as shown in the figure. Neglecting friction, the force exerted by the upper jaw on the workpiece is ........... N (in integer).
Consider a beam with a square box cross-section as shown in the figure. The outer square has a length of 10 mm. The thickness of the section is 1 mm. The area moment of inertia about the x-axis is ........... mm\(^4\) (in integer). 