In a thermal power plant, the term “soot” is virtually nothing but which of the following
AAsh
BCinder
CCarbon
DGas
Electrical Engineering · Question Bank
Electrical Power Plant
132 of 195 questions match · page 7 of 7. Answer in your head first, then check the solution.
What do you mean by “live storage” of coal in a power plant?
APreheated coal
BRaw coal stored in stock yards
CCoal ready for combustion
DStorage of coal sufficient to meet the 24-hour demand of the plant
In a power plant, what do you mean by “spinning reserve”?
AIt is a reserve generating capacity that is connected to the system and is ready to take the load
BIt is a reserve generating capacity that is in operation but not in service
CIt is a reserve generating capacity that is available for service but not in operation
DIt is part of the plant generating capacity which is not in operation due to maintenance
Which power plant is expected to have the longest life?
ASteam
BDiesel
CHydroelectric
DNuclear n a
Which one is not a conventional source of energy?
ATidal energy
BCoal
CHydro power
DNatural gas
What is the name of the equipment installed in power plants used to reduce air pollution due to smoke?
AElectrostatic precipitators
BRe-heaters
CSuper-heaters
DEconomizer
Which one is true about the Kaplan turbine?
AIt is a high head mixed flow turbine
BIt is a low head axial flow turbine
CIt is an impulse turbine, inward flow type
DIt is a tangential flow impulse turbine
Which of the following ratio is called demand factor?
AMaximum demand / average demand
BAverage demand / maximum demand
CConnected load / maximum demand
DMaximum demand / connected load
When a power plant is not able to meet the power demand, what will the power plant do?
AThe plant will increase the cost of electricity
BThe plant will improve the pf of the generator
CThe plant will shut down
DThe plant will resort to load shedding
Power plant using coal work closely on which of the following thermodynamic cycle?
ARankine cycle
BOtto cycle
CBrayton cycle
DStirling cycle
Which of the following engine has the highest air fuel ratio?
APetrol engine
BGas turbine
CDiesel engine
DGas engine
What is the purpose of the grid system?
ATo supply energy to the most remote areas
BTo minimize the voltage drop of the line
CTo interconnect the power stations
DTo distribute energy at a reasonable cost
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