Science and technology ยท GS3
Indigenous micro and small gas-turbine engines
One line
CSIR-NAL unveiled NJ-05, NJ-50, and NJ-100 gas-turbine engines for unmanned and compact defence applications.
Summary
Small engines require precise work in materials, combustion, bearings, controls, and manufacturing. Prototype unveiling is not serial production.
PYQ pattern
UPSC often tests the institution, mechanism, and limits behind this development. Use the official UPSC question-paper archive.
Core notes
- CSIR-NAL is a national aerospace research laboratory.
- The release is a current trigger; implementation or operational results require separate evidence.
- Institutions need clear data, accountability, and review arrangements.
Prelims lens
- CSIR-NAL is a national aerospace research laboratory.
- Distinguish announcement, approval, delivery, and measured outcome.
- Check the responsible institution and legal basis.
MCQ 1
Consider the following statements:
- CSIR-NAL is a national aerospace research laboratory.
- A prototype unveiling proves full certification and mass production.
Which of the statements given above is/are correct?
- A. 1 only
- B. 2 only
- C. Both 1 and 2
- D. Neither 1 nor 2
Reveal answerHide answer
A
Statement 1 is correct. Statement 2 is an overstatement or incorrect relationship.
MCQ 2
What should follow prototype development?
- A. Testing and production validation
- B. Immediate universal deployment
- C. Removal of quality control
- D. Ending endurance trials
Reveal answerHide answer
A
Testing and production validation is correct.
Mains
Question, 10 marks, 150 words: What capabilities turn indigenous turbine prototypes into dependable defence products?
Approach:
- Define the institution, indicator, or technology.
- Explain its significance.
- Examine limits and implementation gaps.
- Suggest specific accountability measures.