The major components in "Gun Metal" are :

Options

A. Cu, Zn and Ni
B. Cu, Sn and Zn
C. Al, Cu, Mg and Mn
D. Cu, Ni and Fe

Answer

To determine the major components of gun metal, we can follow these steps:

### Step 1: Identify Gun Metal
Gun metal, also known as G metal, is an alloy primarily used in the manufacturing of various components such as gears and bearings, especially in applications that involve heavy loads and low speeds.

### Step 2: Research the Composition
The composition of gun metal is known to include several metals. The major components are:
- Copper (Cu)
- Tin (Sn)
- Zinc (Zn)

### Step 3: Determine the Percentage Composition
From the information available, the typical composition of gun metal is:
- Copper: 88%
- Tin: 10%
- Zinc: 2%

### Step 4: Conclusion
Based on the above composition, we can conclude that the major components of gun metal are:
- **Copper (88%)**
- **Tin (10%)**
- **Zinc (2%)**

### Final Answer
The major components in gun metal are Copper (Cu) 88%, Tin (Sn) 10%, and Zinc (Zn) 2%.

---