Economics of Power Generation MCQ Questions Answers – Electrical Engineering
Economics plays a crucial role in the power generation sector, as it determines the cost-effectiveness and sustainability of various energy sources and technologies. The choices made in power generation have far-reaching implications on energy security, environmental impact, and overall economic growth. In this article, we will delve into multiple-choice questions (MCQs) related to the economics of power generation, providing answers that shed light on the intricate relationship between energy and economics.
1) The fixed cost of energy generated
a) depends on maximum demand
b) depends on units generated
c) in independent of (i) and (ii)
d) none of the above
2) When the load factor of a power station increases, the units (kWh) generated
a) are increased
b) are decreased
c) remain the same
d) none of the above
3) An ideal value of power factor is
a) 1
b) 0.5
c) 0.8
d) 0.75
4) Alternators and transformers are rate in
a) kVA
b) kW
c) kVAR
d) none of the above
5) Improving the power factor means making it
a) close to unity
b) zero
c) less than 0.5
d) none of the above
6) The depreciation of equipment is
a) more in early years
b) less in early years
c) same every years
d) none of the above
7) The most economical power factor for a consumer is generally
a) 0.95 lagging
b) 1
c) 0.6 lagging
d) 0.75 lagging
8) When p.f. is improved, the kW capacity of alternators is
a) increased
b) decreased
c) unaffected
d) none of the above
9) The best located of p.f. correction equipment to be installed on the transmission line is at the
a) sending end
b) receiving end
c) middle of line
d) none of the above
10) Arc and induction furnaces operate on
a) very low lagging p.f.
b) very low leading
c) very high leading p.f.
d) none of the above