Electrical Engineering · Question Bank

Electrical Power Plant

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#81📘 EE Pocket Reviewer RojasEasy
Which of the following types of coal has the lowest calorific value?
ASteam coal
BBituminous coal
CLignite
DAnthracite
#82📘 EE Pocket Reviewer RojasEasy
In a substation, which of the following equipment is not installed?
AExciter
BSeries reactor
CShunt reactor
DTransformers
#83📘 EE Pocket Reviewer RojasEasy
How do you call the reflecting mirrors used for exploiting solar energy?
ADiffusers
BHeliostats
CPonds
DMantle
#84📘 EE Pocket Reviewer RojasEasy
Which of the following power plants has high maintenance cost?
ADiesel power plant
BHydroelectric plant
CNuclear power plant
DThermal power plant
#85📘 EE Pocket Reviewer RojasEasy
Most of the heat generated in an internal combustion engine is lost where?
ACooling water
BExhaust gases
CRadiation
DLubricating oil
#86📘 EE Pocket Reviewer RojasEasy
What is the usual speed of generators in a thermal power plant?
A3600 rpm
B1800 rpm
C500 rpm
D300 rpm
#87📘 EE Pocket Reviewer RojasEasy
A gas turbine works on which of the following principles?
ABrayton cycle
BRankine cycle
COtto cycle
DDiesel cycle
#88📘 EE Pocket Reviewer RojasEasy
How much is the average voltage of a single solar cell?
A0.5 volt
B1 volt
C1.3 volts
D2.6 volts
#89📘 EE Pocket Reviewer RojasEasy
Which of the following will improve the efficiency of a thermal power plant?
ALower the load in the plant
BUse of higher steam pressure
CUse larger quantity of water
DUse of lower steam pressure
#90📘 EE Pocket Reviewer RojasEasy
What do you call the ratio of the sum of the individual maximum demands to the maximum demand of the whole installation?
ADemand factor
BDiversity factor
CPlant use factor
DPlant capacity factor
#91📘 EE Pocket Reviewer RojasEasy
Which of the following statements describes a Francis turbine?
AIt is an outward flow impulse turbine
BIt is an outward flow reaction turbine
CIt is an inward flow impulse turbine
DIt is an inward flow reaction turbine
#92📘 EE Pocket Reviewer RojasEasy
Which of the following ratio is called load factor?
AMaximum load / average load
BAverage load / installed capacity
CMaximum load / installed capacity
DAverage load / maximum load
#93📘 EE Pocket Reviewer RojasEasy
In a steam turbine cycle, the lowest pressure is located where?
AIn the turbine inlet
BIn the boiler
CIn the superheater
DIn the condenser
#94📘 EE Pocket Reviewer RojasEasy
In a power plant, how do you call a reserved generating capacity which is in operation but not in service?
AHot reserve
BCold reserve
CSpinning reserve
DFast reserve
#95📘 EE Pocket Reviewer RojasEasy
In a power station, the cost of generation of power reduces most effectively with which of the following conditions?
ADiversity factor increases and load factor decreases
BDiversity factor decreases and load factor increases
CBoth diversity factor and load factor increases
DBoth diversity factor and load factor decreases
#96📘 EE Pocket Reviewer RojasEasy
Which of the following power plant has the highest capital cost per MWh of energy generated?
ASteam power plant
BDiesel power plant
CHydroelectric power plant
DNuclear power plant
#97📘 EE Pocket Reviewer RojasEasy
Hydrograph is similar to which one?
ALoad duration curve
BMass curve
CEnergy load curve
DChronological load curve
#98📘 EE Pocket Reviewer RojasEasy
A diesel power plant is best suited for which type of applications?
AStandby plant
BBase load plant
CHydro support plant
DGeneral purpose plant
#99📘 EE Pocket Reviewer RojasEasy
What is another term for coal used in power plants?
ASteam coal
BCharcoal
CCoke
DSoft coal
#100📘 EE Pocket Reviewer RojasEasy
How do you call the power generated using sea water?
AOcean power
BWater power
CTidal power
DHydro power

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