Category: General

How do I choose oil grade?

You might be familiar with terms such as “30-weight” or “10W-30” oil. Those numbers refer to the grade. The higher the number, the thicker the oil. The lo...

What is a tank round made of?

Generally the round is made from special, high chromium steel which is forged into shape, rather than cast, and then annealed; this imparts extremely high...

What is UPSC success rate?

As we mentioned that only . 1% of IAS aspirants get success in this prestigious and difficult exam. Which UPSC has highest success rate? Analysis of the t...