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This set of Energy Conversion Multiple Choice Questions & Answers (MCQs) focuses on Energy Conversion Set 1
Q1 | The carbon percentage in diesel oil is nearly
- 52%
- 66%
- 100%
- 86%
- 74%
Q2 | Which of the following power plant can be easily started from cold conditions?
- Nuclear power plant
- Thermal power plant
- Diesel engine power plant
- Any of the above
- None of the above
Q3 | 100 MW Dhurva reactor is basically a
- research reactor
- power generation unit
- recycling unit
- None of the above
- None of the above
Q4 | Which of the following plant is suitable for peak load?
- Diesel engine plant
- Steam power plant
- Nuclear power plant
- Hydro-electric power plant
- All of the above
Q5 | Gas turbines are widely used in
- Power generation
- Aircraft
- Pumping stations
- Ship
- Locomotive
Q6 | The alternators for a steam power plant usually run at
- 3000 rpm
- 1500 rpm
- 1200 rpm
- 30,000 rpm
- 750 rpm
Q7 | Producer gas mainly contains
- carbon dioxide and steam
- carbon monoxide and nitrogen
- methane, ethane and butane
- hydrocarbons
- None of the above
Q8 | Which of the following equipment is installed in power plants to reduce air pollution due to smoke?
- Desuperheaters
- Electrostaric precipitators
- Reheaters
- Air filters
- None of the above
Q9 | The flicker effect of fluorescent lamps is more pronounced at
- Lower frequencies
- Higher frequencies
- Lower voltage
- Higher voltages
- None of the above
Q10 | Geologists believe that below the earth's crust, the molten mass exists in the form of
- magma
- vent
- hot cell
- liquation
- None of the above
Q11 | Return to earth of the oxides of sulphur and nitrogen occurs in the form of
- acid rain
- acid show
- acid fog
- any of the above
- None of the above
Q12 | ASTM coal classification is based on
- proximate analysis
- ultimate analysis
- orsat analysis
- None of the above
- None of the above
Q13 | The phenomenon of physical adhesion of molecules to the surfaces of solids without chemical reaction is known as
- dredging
- coking
- adsorption
- liquation
- None of the above
Q14 | When a conductor is suspended between two supports at the same level it taken the shape of
- Parabola
- Semi-circle
- Cycloid
- Epicycloid
- Catenary
Q15 | Which of the following plant can be conveniently located close to be load centre?
- Nuclear power plant
- Hydro-electric power plant
- Diesel engine power plant
- Steam power plant
- All of the above
Q16 | Fluidized bed combustion helps to reduce
- boiler size
- pollution
- both (A) and (B) above
- None of the above
Q17 | Electrostatic precipitators are most effective on
- carbon dioxide
- nitrogen
- coarse dust
- fine dust
- None of the above
Q18 | A 660 V cable is known as
- Extra high tension cable
- High tension cable
- Super tension cable
- Low tension cable
- Extra super voltage cable
Q19 | Which of the following public sector unit is engaged in the manufacture of thermal power plants?
- Department of science and technology
- National Thermal Power Corporation Ltd
- Heavy Engineering Corporation Ltd
- Bharat Heavy Electricals Ltd
- Coal India Ltd
Q20 | A layer of fibrous material like jute or hessian type provided over metallic sheath on a cable is known as
- Armouring
- Bedding
- Laying
- Cover
- None of the above
Q21 | In a long transmission line, the effect of
- resistance and capacitance is taken into account but effect of inductance is neglected
- resistance, capacitance and inductance is taken into account
- capacitance and inductance is taken into account but effect of resistance is neglected
- resistance, capacitance and inductance is neglected
- resistance and inductance is taken into account but effect of capacitance is neglected
Q22 | Which of the following short-circuit is the most dangerous?
- Line to line short circuit
- Dead short circuit
- Line to ground short circuit
- Line to line and ground short circuit
- None of the above
Q23 | Transient disturbances are due to
- switching operations
- load variations
- faults
- Any of the above
- None of the above
Q24 | Which of the following power plant will give least running cost of the production of electrical power?
- Nuclear power plant
- Gas turbine power plant
- Diesel engine power plant
- Steam power plant
- All will have nearly same running cost
Q25 | Which of the following power plant is free from environmental pollution problems?
- Thermal power plant
- Nuclear power plant
- Hydro power plant
- Geothermal power plant
- None of the above