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WorksheetsEconomic Dispatch
Total questions: 15
Worksheet time: 11mins
Name
Class
Date
1.
The load of a consumer is generally measured in terms of
a)
kVAR
b)
Volt Amperes
c)
Ampere hour
d)
kW.
2.
The normal connected load of a domestic consumer is usually
a)
up to 10 kW
b)
10 to 20 kW
c)
25 to 50 kW
d)
50 to 100 kW.
3.
During summer months the increased load is due to
a)
increased water supply
b)
vacations in institutions
c)
increased business activity
d)
increased use of fans and air conditioners.
4.
Load due to one tonne air conditioner is nearly
a)
100W
b)
200 to 500 W
c)
1 kW to 2 kW
d)
5 kW to 10 kW.
5.
Which domestic utility item has highest power rating ?
a)
Refrigerator
b)
Ceiling fan
c)
Tube light
d)
Electric iron.
6.
Which of the following is likely to result in lower efficiency of a power station ?
a)
Varying loads
b)
Low voltage generation
c)
Low turbine speeds
d)
Non-automatic controls.
7.
Which of the following plant is expected to have the longest expected life ?
a)
steam
b)
Hydroelectric
c)
Diesel
d)
All have equal life.
8.
Major share of power produced is through
a)
diesel power plants.
b)
nuclear power plants
c)
thermal power plants
d)
hydro electric power plants
9.
For the same plant size, initial cost of which plant is the highest ?
a)
Steam power plant
b)
Diesel engine plant
c)
Nuclear power plant
d)
Gas turbine plant.
10.
Conventional hydro power plants are classified to run of river plants and pumped storage plants
a)
True
b)
False
11.
if downstream hydro plant depends on the immediate upstream plant, it is called as
a)
Multi storage hydro electric systems
b)
cascaded hydro electric systems
c)
Multi chain hydro electric systems
d)
None of the above
12.
Which is not hydro plant performance model?
a)
Glimn- Kirchmayer Model
b)
Ackerrmann - Rosing model
c)
Hildebrand's model
d)
Hamilton - lamonts's model
13.
in hydro system, there is no fuel cost incurred in the operation
a)
True
b)
False
14.
Water conversion factor converts volume of water into cost parameter
a)
True
b)
False
15.
Classical method for short range fixed head hydro thermal scheduling is a non iterative method
a)
True
b)
False
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