Electrical Engineering · Question Bank
Electrical Power Plant
98 of 195 questions match · page 4 of 5. Answer in your head first, then check the solution.
#61📘 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
#62📘 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
#63📘 EE Pocket Reviewer RojasEasy
Hydrograph is similar to which one?
ALoad duration curve
BMass curve
CEnergy load curve
DChronological load curve
#64📘 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
#65📘 EE Pocket Reviewer RojasEasy
What is another term for coal used in power plants?
ASteam coal
BCharcoal
CCoke
DSoft coal
#66📘 EE Pocket Reviewer RojasEasy
How do you call the power generated using sea water?
AOcean power
BWater power
CTidal power
DHydro power
#67📘 EE Pocket Reviewer RojasEasy
Which of the following areas is most preferred for the location of solar power plants?
AMountain tops
BHigh rainfall zones
CCoastal areas
DHot arid zones
#68📘 EE Pocket Reviewer RojasEasy
In a power plant, which of the following expenses is considered to be negligible?
AWages
BTaxes
CInsurance
DPublicity
#69📘 EE Pocket Reviewer RojasEasy
What is the result of dividing the area under the daily load curve by 24 hours?
AAverage load
BMaximum demand
CLoad factor
DEnergy consumed
#70📘 EE Pocket Reviewer RojasEasy
What is overall efficiency of a boiler in a thermal power plant?
AAbout 10%
BAbout 25% to 30%
CAbout 40% to 50%
DAbout 70% to 80%
#71📘 EE Pocket Reviewer RojasEasy
Which of the following statements describes a Pelton wheel?
AIt is an inward flow reaction turbine
BIt is an outward flow impulse turbine
CIt is an inward flow impulse turbine
DIt is a tangential flow impulse turbine
#72📘 EE Pocket Reviewer RojasEasy
In a power plant, what is the name of the equipment used for pulverizing coal?
ABurner
BStoker
CBall mill
DHopper
#73📘 EE Pocket Reviewer RojasEasy
Tidal energy mainly utilizes which energy of the water?
APotential energy only
BKinetic energy only
CPotential and kinetic energies
DPotential, kinetic and chemical energies
#74📘 EE Pocket Reviewer RojasEasy
When can the capacity factor and load factor be identical?
APeak load is equal to the capacity of the plant
BAverage load is half the capacity of the plant
CAverage load is same as peak load
DNone of these
#75📘 EE Pocket Reviewer RojasEasy
As steam expands in the turbine, which one will happen to the steam?
AIts boiling point increases
BIts specific volume increases
CIts temperature increase
DIts pressure increases
#76📘 EE Pocket Reviewer RojasEasy
Which one is an essential requirement of peak load plants?
AIt should be small in size
BIt should provide high voltage
CIt should be run at high speed
DIt should be capable of starting quickly
#77📘 EE Pocket Reviewer RojasEasy
In a “pumped storage” plant, which one is true? 15
AWater is stored by pumping to high pressures
BPower is generated by means of pumps
CWater is reused through the turbines
DDownstream water is pumped upstream during off-peak periods
#78📘 EE Pocket Reviewer RojasEasy
What type of hydraulic turbine is used for low head and high discharge hydroelectric plant?
AKaplan turbine
BPelton wheel turbine
CFrancis turbine
DAny of these
#79📘 EE Pocket Reviewer RojasEasy
In a hydro plant, how do you call the channel system that conveys water from the intake to the turbine?
AReservoir
BSurge tank
CTail race
DPenstock
#80📘 EE Pocket Reviewer RojasEasy
What do you mean by “connected load”?
AIt is part of the total load which always remains connected to the supply lines
BIt is the average load of the consumer during a specific period of usage
CIt is the sum of all the kW rating of the installed electrical loads of a consumer
DIt is the maximum load that a consumer will demand at any time
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