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This set of Energy Conversion Multiple Choice Questions & Answers (MCQs) focuses on Energy Conversion Set 2
Q1 | In a steam turbine cycle the lowest pressure occurs in
- Turbine inlet
- Super-heater
- Super-heater exit
- Boiler
- Condenser
Q2 | Which of the following is not a high pressure boiler?
- Loeffler
- Lancashire coiler
- Velox boiler
- La Mont boiler
- None of the above
Q3 | TNT
- thermonuclear thorium
- total neutron transition
- thermal neutron treatment
- trinitrotoluene
- None of the above
Q4 | All of the following are heavy metals EXCEPT
- Mercury
- Sodium
- Chromium
- Cadmium
- None of the above
Q5 | The characteristic impedance of transmission line depends upon
- shape of the conductor
- surface treatment of the conductor
- geometrical configuration of the conductor
- conductivity of the material
- None of the above
Q6 | A relay for protective system should have
- High speed operation
- High sensitivity
- Selectivity
- Reliability
- All of the above
Q7 | Beaufort scale is used to measure
- beta and gamma radiations
- wind speed
- insulation
- depth of sea
- None of the above
Q8 | If K be the volume of conductor for two wire dc system, then for the same voltage the volume of conductor for 3 wire dc system for supplying the same load will be
- 0.25 K
- 2 K
- 1.25 K
- 0.3125 K
- 5 K
Q9 | The problem of ash handling does not exist in case of ------ fired boilers.
- Lignite
- Pulverised fuel
- Peat
- Gas
- None of the above
Q10 | One BTU is the amount of energy required to raise the temperature of
- One gram of water through 1?F
- One pound of water through 1?F
- One kilogram of water through ?F
- One pound of water through 1?C
- One gram of water through 1?C
Q11 | Which of the following material has the best conductivity?
- Cadmium copper
- Aluminium
- Copper
- 5.71
- ACSR
Q12 | The voltage of a 2 wire de system is raised from 200 V to 400 V. For the same power transmitted over the same distance and for the same power loss, the saving in conductor copper will be
- 75%
- 60%
- 25%
- 40%
- 50%
Q13 | Coal rank classifies coal according to its
- carbon percentage
- ash content
- degree of metamorphism
- density
- None of the above
Q14 | The capacity of generators being installed in super-thermal power plant is
- 220 MW
- 400 MW
- 100 MW
- 200 MW
- 500 MW
Q15 | The disadvantage of renewable sources of energy is
- lack of dependability
- availability in low energy densities
- intermittency
- All of the above
- None of the above
Q16 | Local winds are caused by
- differential heating of land and water
- differential heating of plains and mountains
- any of the above
- None of the above
Q17 | Corona usually occurs when the electrostatic stress in the air around the conductor exceeds
- 32 kV (maximum values)/cm
- 22 kV (maximum value)/cm
- 11 kV (rms value)/cm
- 6.6 kV (rms value)/cm
- None of the above
Q18 | Exosphere is the space beyond the earth's atmosphere. It begins at a height of about
- 100 km
- 220 km
- 400 km
- 1000 km
- None of the above
Q19 | Which of the following power plant can be installed within the shortest possible time?
- Gas turbine power plant
- Hydro-electric power plant
- Steam power plant
- Nuclear power plant
- Diesel engine power plant
Q20 | Hopkinson demand rate curve is a
- one part tariff
- two part tariff
- three part tariff
- four part tariff
- None of the above
Q21 | API gravity is expressed in terms of
- gm/cc
- dimensionless numbers
- degrees
- None of the above
- None of the above
Q22 | Which of the following is not the standard rating of GLS lamps in India?
- 100 W
- 50 W
- 25 W
- 60 W
- 40 W
Q23 | Thermal neutrons are
- exceptionally fast neutrons
- fast neutrons
- moderately fast neutrons
- slow neutrons
- None of the above
Q24 | Which of the following place is associated with thermal power plants?
- Obra
- Tarapur
- Agra
- DVC
- Bhakra
Q25 | Which of the following equipment can be used for improving the power factor ?
- Static capacitors
- Synchronous condenser
- Phase advancer
- Any of the above
- None of the above