What is the primary purpose of the vertical planetary mixer developed by ISRO in Feb 2025?

Question

Question

This question was previously asked in

RRB NTPC Graduate Level CBT-I Official Paper (Held On: 05 Jun, 2025 Shift 2)

Answer 1

The correct answer is To enhance the efficiency and safety of solid rocket motor manufacturing.

Key Points

The vertical planetary mixer developed by ISRO in February 2025 is designed to enhance the efficiency and safety in the production of solid rocket motors.
This technology supports precise mixing of propellant ingredients, ensuring consistent quality and composition for better performance of rockets.
Solid rocket motors are critical components in many launch vehicles, including those used for satellite deployment and interplanetary missions.
The mixer integrates advanced mechanical design and automation features to reduce human intervention, minimizing risks associated with hazardous materials.
ISRO has been focusing on innovations to streamline the manufacturing process of solid propulsion systems, which are vital for India’s space missions.

Additional Information

Solid Rocket Motors:
- Solid rocket motors use a solid propellant mixture that is ignited to produce thrust.
- They are simpler and more reliable compared to liquid propulsion systems but require meticulous manufacturing processes for consistent results.
- Propellant mixtures generally include oxidizers, fuel, and binders.
Planetary Mixers:
- Planetary mixers are specialized machines designed for mixing viscous materials uniformly.
- They are widely used in industries like food, chemical, and aerospace manufacturing.
- The "vertical" design enhances efficiency by reducing material settling and ensuring thorough mixing.
ISRO’s Advancements in Propulsion:
- ISRO has developed several propulsion technologies, including cryogenic engines and solid rocket boosters.
- Solid propulsion systems are used in the PSLV and GSLV series for launching satellites into orbit.
- Continuous advancements aim to improve reliability, safety, and cost-effectiveness.
Safety Considerations in Propellant Manufacturing:
- Propellant manufacturing involves handling hazardous chemicals and explosive materials.
- Automation and specialized equipment like vertical planetary mixers reduce the risks associated with human errors.
- Safety protocols and advanced designs are integral to ensuring worker safety and environmental protection.