Question 11 : Which of these is not an effect of distributed generation system on power generation?
1. affects over power generation setting
2. effect in auto reclosing
3. creation of ferro resonance
4. protection from insulation failure
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Question 12 : Which of these is not a type of collector in solar power generation?
1. flat plate
2. focusing or concentrating collectors
3. cylindrical parabolic concentrator
4. hyperbolic concentrator
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Question 13 : Which of these is not a component of natural gas?
1. methanol
2. methane
3. ethane
4. propane
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Question 14 : Which of these is not a limitation of conventional energy sources?
1. Resources are limited some are seasonal
2. Most of them emit harmful gases contributing to global warming
3. Situated in remote areas and higher T and D losses
4. requires small areas
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Question 15 : Which of these is a conventional source of energy?
1. sun
2. wind
3. fossil fuels
4. fuel cells
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Question 16 : Air pollution in an MHD-steam power plant is caused due to the formation of which of the following compounds?
1. oxides and hydroxides
2. chlorides and hydroxides
3. oxides and carbonates
4. carbonates and bicarbonates
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Question 17 : Which of these is not a major direct energy conversion device?
1. magnetohydrodynamic
2. thermionic
3. geothermal
4. fuel cell
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Question 18 : Which of the following device helps in recovery of seeding element?
1. ion precipitator
2. condenser
3. electrostatic precipitator
4. orsat's apparatus
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