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Answer : 3. "rocket technology"
The application of low-temperature engines is?
5Q:
The application of low-temperature engines is?
- 1submarine propulsionfalse
- 2research on superconductivityfalse
- 3rocket technologytrue
- 4frost free refrigeratorsfalse
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Answer : 3. "rocket technology"
Explanation :
Low-temperature combustion (LTC) is a recent engine technology that can reduce the oxides of nitrogen (NOx) and soot emissions simultaneously while maintaining higher thermal efficiency.