Objective Questions on Power Generation & substation for Electrician Trade
| Sr. No. | Questions with options |
| 1 | Which fuel is available in plenty in India for power generation?
(a) Coal (b) Diesel (c) Gas oil (d) Gasoline Ans –(a) |
| 2 | Which is the conventional power generation ?
(a) Wind power generation (b) Tidal power generation (c) Solar power generation (d) Thermal power generation Ans – (d) |
| 3 | Which material is used in solar cell?
(a) Silicon (b) Copper (c) Antimony (d) Phosphorus Ans – (a) |
| 4 | What is the name of the atomic material used for nuclear fission in nuclear power station?
(a) Silicon (b) Thorium (c) Antimony (d) Cadmium Ans – (b) |
| 5 | What is the name of the material used for making photovoltaic cell?
(a) Silicon (b) Arsenic (c) Antimony (d) Germanium Ans – (a) |
| 6 | Which is the non-conventional energy source?
(a) Wind (b) Water (c) Steam (d) Diesel Ans – (a) |
| 7 | Which is the natural source of energy?
(a) Sun (b) Heat (c) Coal (d) Biogas Ans – (a) |
| 8 | Which is non-conventional energy source?
(a) Lignite (b) Sun rays (c) Stored water (d) Pulverized coal Ans –(b) |
| 9 | What is the main disadvantage of non-conventional power generation ?
(a) Poor efficiency (b) No constant generation (c) Can use only light loads (d) Heavy load cannot be operated Ans – (a) |
| 10 | Which power generation requires heavy water treatment plant?
(a) Hydel power generation (b) Diesel power general (c) Thermal power generation (d) Nuclear power generation Ans – (d) |
| 11 | Which device senses the wind speed in a wind power generation?
(a) Exciter unit (b) Turbine controller (c) Chopper controller (d) Line controller unit Ans – (b) |
| 12 | Which turbine is used for high heads in hydro electric power plant?
(a) Kaplan turbine (b) Impulse turbine (c) Francis turbine (d) Reaction turbine Ans – (b) |
| 13 | What is the function of penstocks in hydro power stations?
(a) Carries water to dam (b) Carries water to turbine (c) Carries water away from power house (d) Discharges surplus water from reservoir Ans – (b) |
| 14 | Which is the purpose of boiler in a steam power station?
(a) Super heats the steam (b) Heats feed water and air (c) Converts water in to steam (d) Liberates the heat from burnt fuel Ans –(c) |
| 15 | Which type of power plant is more efficient?
(a) Diesel plant (b) Steam power (c) Hydro electric (d) Nuclear power Ans – (c) |
| 16 | Which material is used as control rod in a nuclear reactor?
(a) Thorium (b) Graphite (c) Cadmium (d) Tungsten Ans – (c) |
| 17 | Which is the non conventional power generation?
(a) Diesel power generation (b) Nuclear power generation (c) Wind mill power generation (d) Hydro electric power generation Ans – (c) |
| 18 | Which is the residue of bio-mass?
(a) Slurry (b) Bio fuel (c) Manure (d) Bio gas Ans – (a) |
| 19 | Which is the main constituent of biogas?
(a) Oxygen (b) Methane (c) Hydrogen (d) Carbon dioxide Ans – (b) |
| 20 | How electricity produced in solar panel?
(a) While sunlight strikes glass (b) While sunlight strikes nickel plate (c) While sunlight strikes manganese (d) While sunlight strikes on photovoltaic cell Ans – (d) |
| Published On – 13th June 2022 | |
Leave a Reply