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Quiz 4
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Q.1
Which of the following is not a method for estimating depreciation charges?
Sinking fund method
Straight line method
Diminishing value method
Halsey
Q.2
The connected load of a IVMIM uir consumer is around
5 kW
40 kV
80 kW
120 kW
Q.3
Static capacitors are rated in terms of
kW
kWh
kVAR
none of the above
Q.4
In India production and distribution of electrical energy is confined to
private sector
public sector
government sectors
joint sector
none of the above
Q.5
power plant cannot have single unit of 100 MW.
Hydroelectric
Nuclear
Steam
Diesel
Any of the above
Q.6
High load factor indicates
cost of generation per unit power is increased
total plant capacity is utilised for most of the time
total plant capacity is not properly utilised for most of the time
none of the above
Q.7
Low power factor is usually not due to
Arc lamps
Induction motors
Fluorescent tubes
Incandescent lamp
Q.8
The area under a load curve gives
average demand
energy consumed
maximum demand
none of the above
Q.9
For the same cylinder dimensions and speed, which of the following engine will produce least power?
Supercharged engine
Diesel engine
Petrol engine
All of the above engines will equal power
Q.10
For which of the following power plants highly skilled engineers are required for running the plants?
Nuclear power plants
Gas turbine power plants
Solar power plants
Hydro-electric power plants
Q.11
Which of the following devices may be used to provide protection against lightening over voltages ?
Horn gaps
Rod gaps
Surge absorbers
All of the above
Q.12
Which of the following is the disadvantage due to low power factor ?
Poor voltage regulation
Increased transmission losses
High cost of equipment for a given load
All of the above
Q.13
Annual depreciation as per straight line method, is calculated by
the capital cost divided by number of year of life
the capital cost minus the salvage value, is divided by the number of years of life
increasing a uniform sum of money per annum at stipulated rate of interest
none of the above
Q.14
By the use of which of the following power factor can be improved ?
Phase advancers
Synchronous compensators
Static capacitors
Any of the above
Q.15
A consumer has to pay lesser fixed charges in
flat rate tariff
two part tariff
maximum demand tariff
any of the above
Q.16
In which?of the following power plants the maintenance cost is usually high?
Nuclear power plant
Hydro-electric power plants
Thermal power plants
Diesel engine power plants
Q.17
Which of the following, in a thermal power plant, is not a fixed cost?
Fuel cost
Interest on capital
Depreciation
Insurance charges
Q.18
In Hopknison demand rate or two parttariff the demand rate or fixed charges are
dependent upon the energy consumed
dependent upon the maximum demand of the consumer
both (A) and (B)
neither (A) nor (B)
Q.19
Annual depreciation cost is calculated by
sinkingfund method
straight line method
both (A) and (B)
none of the above
Q.20
The increased load during summer months is due to
increased business activity
increased water supply
increased use of fans and air conditioners
none of the above
Q.21
A load curve indicates
average power used during the period
average kWh (kW) energy consumption during the period
either of the above
none of the above
Q.22
Different generating stations use following prime movers
Diesel engine
Hydraulic turbine
Gas turbine
Any of the above
Q.23
A nuclear power plant is invariably used as a
peak load plant
base load plant
stand-by plant
spinning reserve plant
Q.24
Which of the following component, in a steam power plant, needs maximum maintenance attention?
Steam turbine
Condenser
Water treatment plant
Boiler
Q.25
The least share of power is provided in India, by which of the following power plants?
Diesel power plants
Thermal power plants
Hydro-electric power plants
Nuclear power plants
Q.26
Which of the following generating station has minimum ruiyiing cost ?
Nuclear
Hydro
Thermal
Diesel
Q.27
The knowledge of diversity factor helps in determining
plant capacity
average load
peak load
kWh generated
Q.28
Submarines for under water movement, are powered by which of the following ?
Steam accumulators
Air motors
Diesel engines
Batteries
Q.29
When the demand of consumers is not met by a power plant, it will resort to which of the following ?
Load shedding
Power factor improvement at the , generators
Penalising high load consumers by increasing the charges for electricity
Efficient plant operation
Q.30
Load shedding is possible through which of the following ?
Switching of the loads
Frequency reduction
Voltage reduction
Any of the above
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