AP ECET MECHANICAL ENGINEERING Multiple Choice Questions (MCQs)
AP ECET Mechanical Engineering - Unit X: Energy Sources and Power Plant Engineering
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1. Which of the following is a renewable energy source?
- a) Coal
- b) Solar energy
- c) Natural gas
- d) Uranium
Answer: b) Solar energy
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2. What is the primary advantage of using solar energy?
- a) It is non-renewable
- b) It has high operational cost
- c) It is an abundant and renewable source
- d) It causes pollution
Answer: c) It is an abundant and renewable source
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3. Which of the following is used to convert wind energy into mechanical energy?
- a) Solar panels
- b) Wind turbines
- c) Fuel cells
- d) Hydroelectric turbines
Answer: b) Wind turbines
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4. What is the main function of a fuel cell?
- a) To convert chemical energy into electrical energy
- b) To store electrical energy
- c) To convert solar energy into electrical energy
- d) To convert thermal energy into mechanical energy
Answer: a) To convert chemical energy into electrical energy
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5. Which energy source is generated by the movement of charged particles in a magnetic field?
- a) Solar energy
- b) Wind energy
- c) MHD (Magnetohydrodynamic) generator
- d) Biomass energy
Answer: c) MHD (Magnetohydrodynamic) generator
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6. Which of the following is considered a bioenergy source?
- a) Solar power
- b) Biomass
- c) Hydroelectric power
- d) Geothermal power
Answer: b) Biomass
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7. What type of energy is produced from the movement of ocean tides?
- a) Solar energy
- b) Wind energy
- c) Tidal energy
- d) Geothermal energy
Answer: c) Tidal energy
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8. Which type of power plant uses heat from the Earth's interior to generate electricity?
- a) Nuclear power plant
- b) Hydroelectric power plant
- c) Thermal power plant
- d) Geothermal power plant
Answer: d) Geothermal power plant
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9. What is the main purpose of the condenser in a thermal power plant?
- a) To increase the pressure of steam
- b) To convert mechanical energy into electrical energy
- c) To cool down the steam after it passes through the turbine
- d) To generate steam
Answer: c) To cool down the steam after it passes through the turbine
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10. What is the main fuel used in thermal power plants?
- a) Natural gas
- b) Coal
- c) Uranium
- d) Biomass
Answer: b) Coal
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11. Which of the following is a major component of the layout of a thermal power plant?
- a) Cooling towers
- b) Steam turbine
- c) Boiler
- d) All of the above
Answer: d) All of the above
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12. Which of the following is a characteristic of a Nuclear Power Plant?
- a) It uses coal as a fuel source
- b) It generates power through nuclear fission
- c) It uses solar energy for heating
- d) It produces mechanical energy from wind
Answer: b) It generates power through nuclear fission
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13. What is the principle behind the working of a Pressurized Water Reactor (PWR)?
- a) Boiling water to create steam
- b) Using steam to drive a turbine
- c) Containing water at high pressure to prevent boiling and using it for heat transfer
- d) Using gas turbines for electricity generation
Answer: c) Containing water at high pressure to prevent boiling and using it for heat transfer
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14. Which of the following fuels is commonly used in a nuclear power plant?
- a) Uranium-235
- b) Natural gas
- c) Coal
- d) Wind
Answer: a) Uranium-235
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15. What is the main advantage of using a Boiling Water Reactor (BWR) in a nuclear power plant?
- a) It has high efficiency in converting thermal energy into electricity
- b) It does not require a condenser
- c) It directly converts water to steam to drive turbines
- d) It uses renewable energy sources
Answer: c) It directly converts water to steam to drive turbines
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