UPSC CSE Prelims
Question 58
Consider the following heavy industries :
- Fertilizer plants
- Oil refineries
- Steel plants
Green hydrogen is expected to play a significant role in decarbonizing how many of the above industries?
View correct answer and explanation
Correct answer: C
Correct Option: C (All three)
Explanation: Green hydrogen can replace fossil-derived feedstock or supply high-temperature heat in fertilizer, refining and steel industries, reducing hard-to-abate emissions.
Statement / Pair / Item-wise Analysis:
1. Correct/True - Green hydrogen can supply ammonia manufacture, replacing grey hydrogen used in fertilizer production.
2. Correct/True - Refineries use hydrogen for desulfurization and hydrocracking; green hydrogen can replace conventional sources.
3. Correct/True - Hydrogen-based direct reduced iron and other steel technologies can cut coal-based emissions.
Option-wise Analysis:
A. Incorrect-it counts 1, but items 1, 2, 3 qualify, giving 3.
B. Incorrect-it counts 2, but items 1, 2, 3 qualify, giving 3.
C. Correct-exactly 3 of the 3 listed items satisfy the condition.
D. Incorrect-it counts 0, but items 1, 2, 3 qualify, giving 3.