CUET Preparation Today
Which of the following is NOT true of surface mining? |
The surface mining also known as open-cast mining. It is the easiest and the cheapest way of mining minerals that occur close to the surface. Overhead costs such as safety precautions and equipment is relatively higher in this method as compared to underground mining. None of the above |
Overhead costs such as safety precautions and equipment is relatively higher in this method as compared to underground mining. |
The correct answer is Option 3: Overhead costs such as safety precautions and equipment is relatively higher in this method as compared to underground mining. Option 1: Surface mining is also known as open-cast mining. This statement is correct. Option 2: It is the easiest and the cheapest way of mining minerals that occur close to the surface. This statement is also correct. Option 3: Overhead costs such as safety precautions and equipment is relatively higher in this method as compared to underground mining. This statement is false. Overhead costs such as safety precautions and equipment are relatively low in this method as compared to underground mining. NCERT: "The surface mining also known as open-cast mining is the easiest and the cheapest way of mining minerals that occur close to the surface. Overhead costs such as safety precautions and equipment is relatively low in this method. The output is both large and rapid." |
