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This set of Energy Conversion Multiple Choice Questions & Answers (MCQs) focuses on Energy Conversion Set 16

Q1 | soot is virtually nothing but
  • ash
  • cinder
  • gas
  • carbon
  • None of the above
Q2 | Which of the following is not needed in megneto hydrodynamic power plants?
  • Chimney
  • Combustor
  • Steam turbine
  • Fuel
  • None of the above
Q3 | A four stroke petrol engine is designed to develop 35 BHP at 200 RPM. It has an indicated mean effective pressure of 20 kg/cm2, a stroke of 35 cm and a bore diameter of 20 cm. Using this data mechanical efficiency of the engine at the running condition given would be closest to
  • 50 percent
  • 60 percent
  • 70 percent
  • 80 percent
  • None of the above
Q4 | Particles having the same atomic number but different mass unmbers are called
  • Beta particles
  • Positrons
  • Isotopes
  • Ions
  • Decayed particles
Q5 | Careful handling of fuel is essential for which of the following power plant?
  • Hydro-electric power plant
  • Diesel engine power plant
  • Gas turbine power plant
  • Steam power plant
  • Nuclear power plant
Q6 | High load factor can be expected in
  • power plants near load centre
  • slow speed power plants
  • multi-unit power plants
  • base load stations
  • None of the above
Q7 | Flash generally results from
  • gas turbines
  • diesel engines
  • pulverized coal boilers
  • fluidized bed boilers
  • None of the above
Q8 | A load curve helps in deciding
  • size of the generating units
  • total installed capacity of the plant
  • operating schedule of the generating units
  • All of the above
  • None of the above
Q9 | In any transmission line
  • ?BC = 1 - AD
  • AC - BD = -1
  • AB = CD + 1
  • AC = BD + 1
  • AB - CD = -1
Q10 | The device used to generate power utilising energy of wind is called
  • Air motor
  • Aerogenerator
  • Windmill
  • Wind generagor
  • None of the above
Q11 | Pea coal is
  • anthracite coal, small in size
  • same as peat
  • low ash content lignite
  • none of the above
  • None of the above
Q12 | Air curtains find applications in
  • air conditioned spaces
  • green houses
  • nuclear power plants
  • solar energy system
  • None of the above
Q13 | A current of 10 milli-amperes through human body
  • will cause mild sensation
  • will affect muscle control
  • will affect breathing
  • will cause death
  • None of the above
Q14 | A curve showing the variation of load on a power station with respect to time is known as
  • Flow chart
  • Performance curve
  • Load curve
  • Diversity factor
  • Load duration curve
Q15 | Nagarjunsagar dam has been constructed on river
  • Kali
  • Krishna
  • Kaveri
  • Charnbal
  • Mahanadi
Q16 | The location of which power plant is mainly decided by the geographical factors?
  • Diesel engine power plant
  • Hydro-electric power plant
  • Steam power plant
  • Nuclear power plant
  • Gas turbine power plant
Q17 | In petrothermal systems of geothermal energy there is hot dry rock but no underground water. In such systems energy is obtained by
  • circulating compressed air
  • pumping water
  • creating water wells
  • None of the above
  • None of the above
Q18 | A fast breeder reactor
  • operates with fast neutrons and produces less fissionable material than it consumes
  • operates with fast neutrons and produces more fissionable material than it consumes
  • operates with slow neutrons and produces less fissionable material than it consumes
  • operates with slow neutrons and produces more fissionable material than it consumes
  • None of the above
Q19 | The current down by the transmission line due to corona losses is
  • sinusoidal
  • square
  • non-sinusoidal
  • None of the above
Q20 | In a transmission line following are the distributed parameters
  • resistance and inductance only
  • resistance, inductance and capacitance
  • resistance, inductance, capacitance and short conductance
  • None of the above
Q21 | The effect of ice deposition on conductor is
  • increased skin effect
  • reduced corona losses
  • increased weight
  • reduced sag
  • None of the above
Q22 | Illumination due to moonlight is nearly
  • 18 lumens/meter2
  • 300 lumens/meter2
  • 0.3 lumen/meter2
  • 1.8 lumens/meter2
  • 30 lumens/meter2
Q23 | Which of the following place is not associated with hydro-electric power plants?
  • Bhakra
  • Farakka
  • Koyana
  • Singrauli
  • Nagarjunsagar
Q24 | The speed of the primemover is controlled by
  • cam shaft
  • feed pump
  • regulator
  • governor
  • None of the above
Q25 | The expected life of wooden pols for transmission line is
  • 30 to 60 years
  • 20 to 25 years
  • 5 to 8 years
  • 1 to 2 years
  • 2 to 5 years