Sample questions
You've seen the pattern — here are a few of the actual PYQs.
NDA2021
Which one of the following is not a bio-mass energy source ?
- A Wood
- B Nuclear reactor ✓
- C Gobar gas
- D Coal
✓ Correct answer: (B)
Science & Technology › Energy & Nuclear
NDA2020
Which one of the following statements is NOT correct ?
- A Biomass is a renewable source of energy
- B Gobar gas is produced when cow-dung, crop residues, vegetable waste and sewage are allowed to decompose in the absence of oxygen
- C Biogas generation reduces soil and water pollution
- D Heating capacity of biogas is very low ✓
✓ Correct answer: (D)
Science & Technology › Energy & Nuclear
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