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This set of Energy Conversion Multiple Choice Questions & Answers (MCQs) focuses on Energy Conversion Set 20

Q1 | The specific gravity of copper is
  • 8.9
  • 5.9
  • 13.9
  • 16.9
  • 2.9
Q2 | A pin type insulator is generally used upto
  • 11 kV
  • 132 kV
  • 66 kV
  • 33 kV
  • 1.1 kV
Q3 | A 66 kV transmission line carrying power to a distance of 120 kilometre will be termed as
  • Very short transmission line
  • Long transmission line
  • Medium transmission line
  • Tiny transmission line
  • Short transmission line
Q4 | Maximum horse power of a steam locomotive is
  • 2500
  • 100
  • 1500
  • 5000
  • 500
Q5 | Pressure cables are used for
  • Low power factors
  • Higher voltages
  • High kW
  • High KVA
  • High current ratings
Q6 | Diesel engine fuels are rated by
  • Cetane number
  • HUCR
  • Octane number
  • CFR number
  • Calorific value
Q7 | The wavelength of green colour is nearly
  • 4000 A
  • 5500 A
  • 2500 A
  • 7500 A
  • 1000 A
Q8 | The average load factor of thermal power plants in India is
  • 35 to 40%
  • 50 to 60%
  • 80 to 95%
  • 100%
  • 20 to 30%
Q9 | A ship is powered by
  • Diesel turbine
  • Steam turbines, diesel engines, hydraulic turbines or nuclear reactors
  • Steam turbines, diesel engines hydraulic turbines
  • Steam turbine
  • Steam turbines or diesel engines
Q10 | A gas turbine works on
  • Brayton cycle
  • Regenerative cycle
  • Carnot cycle
  • Rankine cycle
  • Dual cycle
Q11 | The live storage of coal in power plant means
  • Coal ready for combustion
  • Preheated coal
  • Coal in transit
  • Purified coal
  • Storage of coal sufficient to meet hour demand for the plant.
Q12 | The maximum number of generators in a power plant must be
  • One
  • Even
  • Two
  • Odd
  • Three
Q13 | The area under the load curve represents
  • Average demand
  • Maximum demand
  • System voltage
  • Energy consumed
  • Current
Q14 | Out of the following which one is not a unconventional source of energy?
  • Geothermal energy
  • Tidal power
  • Wind power
  • Nuclear energy
  • Magneto hydrodynamic generator
Q15 | In which of the following state manufacturing unit of M/S Bharat Heavy Electricals Ltd. Is not located?
  • Rajasthan
  • Andhra Pardesh
  • U.P.
  • Karnataka
  • M.P.
Q16 | The value of an equipment at the end of its useful life is known as
  • Scrap value
  • Obsolescence value
  • Demand value
  • Useful value
  • Replacement value
Q17 | Which of the following will need the lower level of illumination?
  • Hospital wards
  • Display
  • Railway platform
  • Auditoriums
  • Green rooms
Q18 | The calorific value of coal gas is expected to be around
  • 500 kcal/m3
  • 1500 kcal/m3
  • 2500 kcal/m3
  • 7500 kcal/m3
  • 5000 kcal/m3
Q19 | A jet aircraft is powered by
  • Gas turbine
  • Solar cells
  • Batteries
  • Petrol engines
  • Diesel engines
Q20 | One calorie is the same as
  • 4.18 joules
  • 1 dyne-sec
  • 1 watt
  • 1 dyne
  • 4.11 watts
Q21 | Death is almost certain when the current through human body is
  • 100 milli-amperes
  • 100 micro-amperes
  • 10 micro-amperes
  • 10 milli-amperes
  • 25 micro-amperes
Q22 | Standby losses are least in case of
  • Steam power plant
  • Nuclear power plant
  • Diesel engine power plant
  • Hydro-electric power plant
  • Gas turbine power plant
Q23 | Approximately how many kg of air are required for the combustion of one kg of diesel oil?
  • 5 kg
  • 35 kg
  • 25 kg
  • 15 kg
  • 1 kg
Q24 | Which of the following variety of coal will have highest ash content
  • Bengal coal
  • Bituminous coal
  • Grade I steam coal
  • Lignite
  • Coking coal
Q25 | Highly skilled manpower is needed for the maintendance of which of the following power plants?
  • Nuclear power plant
  • Gas turbine power plant
  • Hydro-electric power plant
  • Steam power plant
  • Diesel engine power plant