cock valve meaning in Hindi

Examples

1. Some sources even reported that the ship was sunk in the harbour by removing her bronze sea cock valve, but salvaged later by the Spanish Navy.
2. A friend told me that I ought to modernize this tank by removing the old ball cock valve and other parts, and then install new, modern components.
3. But an after-accident investigation by the ICC revealed that the handle of the angle cock at the rear of the third coach was not in the correct position, as a design flaw on New Haven coach # 8665 allowed the handle of the angle cock valve to come into contact with the car frame, causing the valve to close.