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- Question
Cryogenic Engines find applications in
Options- A. Frost - Free refrigerators
- B. Sub-marine propulsion
- C. Researches in superconductivity
- D. Rocket technology
- Correct Answer
- Rocket technology
ExplanationCryogenic Engines find applications in Rocket technology. A cryogenic rocket engine is a rocket engine that uses a cryogenic fuel or oxidizer, that is, its fuel or oxidizer are gases liquefied and stored at very low temperatures. Notably, these engines were one of the main factors of NASA's success in reaching the Moon by the Saturn V rocket.
- 1. The mean surface temperature of the sun is estimated to be of the prder of
Options- A. 5500?C
- B. 4000?C
- C. 2000?C
- D. 1000?C Discuss
- 2. The Pyrenees mountains are located on the border between ____ and ____
Options- A. Romania, Bulgaria
- B. Norway, Sweden
- C. Hungary, Romania
- D. France, Spain Discuss
- 3. What is the relationship between resistivity r and conductivity s?
Options- A. R = s2
- B. R = s
- C. R > s
- D. R = 1/s Discuss
- 4. Which of the following is used as a lubricant?
Options- A. Graphite
- B. Silica
- C. Iron Oxide
- D. Diamond Discuss
- 5. Fenway Park is the home field of what Major League Baseball team?
Options- A. New York Yankees
- B. Chicago White Sox
- C. Montreal Expos
- D. Boston Red Sox Discuss
- 6. The religion of Afghanistan is
Options- A. Islam
- B. Buddhism
- C. Hinduism
- D. Christianity Discuss
- 7. Who was the first Indian woman to win a medal in the Olympics?
Options- A. P.T.Usha
- B. Karnam Malleshwari
- C. Kunjarani Devi
- D. Bachendri Pal Discuss
- 8. Who is known as 'Desert Fox'?
Options- A. Bismarck
- B. Eisenhower
- C. Gen. Rommel
- D. Walter Scott Discuss
- 9. The letters, "DOS" stand for...
Options- A. Data Out System
- B. Disk Out System
- C. Disk Operating System
- D. Data Operating System Discuss
- 10. Which of the following countries is not a member of SAARC?
Options- A. Nepal
- B. Bangladesh
- C. Afghanistan
- D. Myanmar Discuss
More questions
Correct Answer: 5500?C
Correct Answer: France, Spain
Correct Answer: R = 1/s
Correct Answer: Graphite
Correct Answer: Boston Red Sox
Correct Answer: Islam
Correct Answer: Karnam Malleshwari
Correct Answer: Gen. Rommel
Correct Answer: Disk Operating System
Correct Answer: Myanmar
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