Latest Economics of Power Generation Multiple choice Questions and Answers pdf

31.    Direct conversion of heat into electric power is possible through
(a) fuel cell
(b) batteries
(c) thermionic converter
(d) all of the above
Ans: c

32.    A low utilization factor for a plant indicates that
(a) plant is used for stand by purpose only
(b) plant is under maintenance
(c) plant is used for base load only
(d) plant is used for peak load as well as base load
Ans: a

33.    Which of the following is not a source of power ?
(a) Thermocouple
(b) Photovoltaic cell
(c) Solar cell
(d) Photoelectric cell
Ans: a

34.    Which of the following should be used for extinguishing electrical fires ?
(a)    Water
(b)    Carbon tetrachloride fire extinguisher
(c)    Foam type fire extinguisher
(d)    CO2 fire extinguisher
Ans: b

35. Low power factor is usually not due to
(a)     arc lamps
(b)     induction motors
(c)    fluorescent tubes
(d)    incandescent lamp
Ans: d

36. Ships are generally jpowered by
(a)    nuclear power plants
(b)    hydraulic turbines
(e)    diesel engines
(d)    steam accumulators
(e)    none of the above
Ans: c

37. Direct conversion of heat into electrical energy is possible through
(a)     fuel cells
(b)     solar cells
(c)    MHD generators
(d)    none of the above
Ans: c

38. Which of the following place is not associated with nuclear power plants in India ?
(a) Narora
(b) Tarapur
(c) Kota
(d) Benglore
Ans: d

39. During load shedding
(a) system power factor is changed
(b) some loads are switched off
(c) system voltage is reduced
(d) system frequency is reduced Efficiency is the secondary consideration in
Ans: b

40. which of the following plants ?
(a)    Base load plants
(b)    Peak load plants
(c)    Both (a) and (b)
(d)    none of the above
Ans: b

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