Question

A grain in which thrust, pressure and burning surface area increase with burn time is called as

• A. neutral burning
• B. progressive burning
• C. regressive burning
• D. normal burning

Hint:

Progressive burning is often used to achieve higher thrust later in the burn cycle.

Answer 1

The Correct Option is B

In progressive burning, the burning surface area increases with time, which results in a rising thrust and pressure profile. This is typically seen in star or multi-perforated grain designs.