Skip to content
MCQ – Generation
3.6 x 10^5 wattsec
36 x10^5 wattsec
#2. One BOT unit is equal to.....?
#3. For high head hydro electric plant, the turbine used is....?
#4. For low head hydro electric plant, the turbine used is....?
#5. Surge tank is provided for the protection of....?
#6. The cheapest plant in operation and maintanance is in which plant?
#7. Economisers are in thermal plant used for heat.....?
#8. India's first nuclear power plant was built at....?
rana pratap sagar
#9. The thermal efficiency of a steam power station is about....?
overall efficiency less than thermal efficiency
#10. Nuclear energy converted into electrical energy in nuclear substation by process of....?
#11. Diesel power plant are used as....plants?
none of the above
#12. Which of the following material is used as a moderator in nuclear power plant?
moderator does not absorb neutrons but it reduce speed. ex heavy water and beryllium , graphite
#13. Nuclear reactor, control rods are used for.....?
#14. Water hammer occurs in...?
#15. Control rods are used in nuclear reactor made by....?
#16. Minimum operating cost in which power plant?
#17. Which of following plant has maximum capital cost....?
#18. The area under the daily load curve gives....?
unit generated in the load
#19. The cure showing the variation of load on the power station under with time is known as....?
#20. Total sum of the continous ratings of all the equipments connected to supply system called?
#21. Greatest demand of load on the power station during a given period called....?
#22. Installed capacity of a generating station determined by use of....?
#23. Which of the following rotor used in thermal power plant?
none of the above
#24. The tariff most suitable for large industrial consumers is...?
flat demand rate
two part tariff
block meter rate
#25. The capacity factor of a plant is given by....?
maximum load / average load
average load / maximum load
average load / plant capacity
maximum load / plant capacity
#26. In a power supply system demand factor is....?
average demand / maximum demand
maximum demand / installed capacity
average demand / installed capacity
maximum load / connected load
#27. In a system, if the base load is the same as the maximum demand, the load factor will be....?
load factor= average load / maximum demand
#28. The knowledge of diversity factor helps in computing...?
#29. The connected load is generally ..... than the maximum demand?
none of the above
#30. Load factor is the ratio of....?
average load / maximum demand
maximum demand / average load
maximum demand / connected load
connected load / maximum demand
#31. The value of demand factor is ...... ?
less than one
more than one
#32. The higher the load factor of a power station, cost per unit generated is....?
#33. Maximum demand on the power station is 80 MW and connected load is 100MW calculate the demand factor?
max demand / connected load =80/100=0.8
#34. The value of load factor is always....?
greater than 1
less than one
average load is smaller than max demand
#35. Area under daily load curve divided by 24 gives....?
#36. The maximum demand on a power station is 100MW. if the annual load factor is 40%. Calculate the total energy generated in a year?
max. demandxLFxhours in year
#37. The ratio of sum of individual maximum demands to the maximum demand on power station called....?
plant use factor
#38. A generating station has a connected load of 43 MW and a maximum demand of 20MW. calculate the demand factor?
demand factor= max demand / connected load
#39. Diversity factor is always.....?
more than 1
#40. In a steam power station having a maximum demand of 20MW and annual load factor is 50%. calculate the average load?
average load= load factorxMD
#41. The power factor of industrial load is generally?
mainly lagging nature
#42. A load power factor of 0.95 lagging implies reactive power demand of...?
#43. The running cost of power station depends on ....?
#44. Which of the following equipments has the lowest powerfactor?
fully loaded induction motor
#45. The connected load of a consumer is 2kW and maximum demand is 1.5kW. the demand factor of consumer is...?
= max demand/ connected load
#46. The value of diversity factor is .....?
#47. Greater the diversity factor leads ......is the cost of generation of power?
#48. A generating station is to supply three regions 10MW,6MW,5MW. The diversity factor is 1.4. calculate the maximum demand?
max. demand=sum of individual max demand/diversity factor
#49. Base load occurs on.....hours in a power station?
#50. The running cost of a generating station directly depends on....?
#51. A generating unit operates maximum efficiency at ......% of its rated capacity?
#52. To reduce the cost of the electricity generated....?
the load factor and diversity factor must be low
the load factor and diversity factor must be high
the load factor is low and diversity factor is high
the load factor is high and diversity factor is low
#53. The rate at which electrical energy is supplied to a cosumer is called....?
elecrical energy cost
cost of energy
#54. In a power plant if the maximum demand on the power plant is equal to the plant capacity, then
load factor will be unity
doversity factor will be unity
plant reserve capacity will be zero
load factor is zero
#55. The number of units generated will be more if the load factor is.....?
#56. Diversity factor has direct effect on the.....
operting cost of unit
both fixed and variable cost
variable cost of unit generated
fixed cost of the unit generated
#57. A consumer has annual consumption is 800400 units.its maximum demand is 200kW. the load factor is....
load factor=energy consumed/max demandxtime
#58. Diversity factor helps to determining.....?
#59. The maximum demand of a consumer is 2kW and his daily energy consumption is 24 units.his load factor is....%
load factor= energy consumed/max demandxtime
#60. Semi fixed cost directly depends on .....of the power station?
#61. A diesel power plant generally used as a.....load station?
#62. More efficient plants are used as .......?
peak load station
base load station
standby load station
#63. Installed capacity of a power station greater than the.....?
#64. Which of the following is not a method of determining the annual depreciation charge?
straight line method
diminishing value method
sinking fund method
#65. Average load is.....,if the load factor increase?
#66. Block rate tariff is mostly applicable to....consumers?
#67. A big consumer is charged at a lower rate than a small consumer because of.....?
increase maximum demand
it improves the load factor
decrease load factor
decrease maximum demand
#68. The ideal tariff for any type of consumer is....tariff?
#69. Power factor of an AC circuit given by....?
#70. Power factor can be improved by adding capacitor parallel with the load, it takes....?
leading active power
lagging active power
leading reactive power
lagging reactive power
#71. An over excited synchronous motor on no load is known as....?
#72. The maximum value of power factor can be...?
#74. The most economical power factor for a consumer is generally.....?
#75. A consumer has a maximum demand of 200kW at 40% load factor.calculate unit consumed per year?
= max demand x lf x hours
#76. Diversity factor x maximum demand is...?
sum of consumers max demand
#77. Large size steam plants and nuclear plants are suitable for....?
both base and peak
#78. Most of generators in thermal power plant runs at....?
#79. Which of the following is correct?
load factor=capacity factor x utilisation factor
utilisation factor=capacity factor x load factor
capacity factor= load factor x utilisation factor
#80. If the power factor is high, then the consumer maximum KVA demand?
error: Content is protected !!