Nuclear Power — Set 1
Technology · परमाणु ऊर्जा · Questions 1–10 of 50
Which process is primarily responsible for generating energy in a standard commercial nuclear power plant?
Correct Answer: A. Nuclear Fission
• **Nuclear Fission** = forms the core principle. • **Primary mechanism** — scientifically validated. • 💡 Wrong-option analysis: A: Nuclear Fusion; B: Radioactive Decay; C: Chemical Combustion.
Which isotope is most commonly used as fuel in the majority of nuclear reactors worldwide?
Correct Answer: C. Uranium-235
• **Uranium-235** = forms the core principle. • **235** — represents key evidence. • 💡 Wrong-option analysis: A: Uranium-238; B: Thorium-232; C: Plutonium-239.
What is the function of a 'Moderator' in a nuclear reactor?
Correct Answer: D. To slow down neutrons
• **To slow down neutrons** = forms the core principle. • **235** — represents key evidence. • 💡 Wrong-option analysis: A: To speed up neutrons; B: To cool the outer shield; C: To absorb all neutrons.
Which material is frequently used for control rods to regulate the rate of fission in a reactor?
Correct Answer: A. Boron
• **Boron** = forms the core principle. • **Primary mechanism** — scientifically validated. • 💡 Wrong-option analysis: A: Aluminum; B: Graphite; C: Iron.
Where was the world's first commercial nuclear power plant, Obninsk, located?
Correct Answer: C. Soviet Union
• **Soviet Union** = forms the core principle. • **1954** — represents key evidence. • 💡 Wrong-option analysis: A: USA; B: United Kingdom; C: France.
Which type of nuclear reactor uses heavy water (Deuterium oxide) as both a moderator and a coolant?
Correct Answer: C. PHWR
• **PHWR** = forms the core principle. • **Primary mechanism** — scientifically validated. • 💡 Wrong-option analysis: A: PWR; B: BWR; C: VVER.
What is the primary purpose of the 'Containment Building' in a nuclear power plant?
Correct Answer: D. To prevent radioactive leaks into the environment
• **To prevent radioactive leaks i** = forms the core principle. • **Primary mechanism** — scientifically validated. • 💡 Wrong-option analysis: A: To store unused fuel; B: To generate steam; C: To house the administrative staff.
Which element is the main focus of 'Stage 3' in India’s three-stage nuclear power program?
Correct Answer: A. Thorium
• **Thorium** = forms the core principle. • **3** — represents key evidence. • 💡 Wrong-option analysis: A: Uranium; B: Plutonium; C: Lithium.
In a nuclear power plant, what is used to turn the turbine that generates electricity?
Correct Answer: C. High-pressure Steam
• **High-pressure Steam** = forms the core principle. • **Primary mechanism** — scientifically validated. • 💡 Wrong-option analysis: A: Liquid Uranium; B: Gamma Rays; C: Magnetic Fields.
What is 'Enrichment' in the context of nuclear fuel production?
Correct Answer: D. Increasing the concentration of Uranium-235
• **Increasing the concentration o** = forms the core principle. • **235** — represents key evidence. • 💡 Wrong-option analysis: A: Adding chemicals to improve heat; B: Mixing Uranium with coal; C: Changing the color of fuel pellets.