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This set of Power Plant Engineering PPE Multiple Choice Questions & Answers (MCQs) focuses on Power Plant Engineering Set 13
Q1 | What is the advantage of sectionalizing of power plant?
- high reliability
- low capital cost
- low maintenance
- easy operation
Q2 | The area under the load curve represents
- the average load on power system
- maximum demand
- number of units generated
- load factor
Q3 | Which of the following is equal to the maximum demand?
- the ratio of area under curve to the total area of rectangle
- the ratio of area under curve and number of hours
- the peak of the load curve
- the area under the curve
Q4 | Load duration curve indicates
- the variation of load during different hours of the day
- total number of units generated for the given demand
- total energy consumed by the load
- the number of hours for which the particular load lasts during a day
Q5 | During which time the demand of electrical energy is maximum?
- 2 a.m. to 5 a.m.
- 5 a.m. to 12 p.m.
- 12 p.m. to 7 p.m.
- 7 p.m. to 9 p.m
Q6 | Size and cost of installation depends upon
- average load
- maximum demand
- square mean load
- square of peak load
Q7 | What is Demand factor?
- ratio of connected load to maximum demand
- ratio of average load to connected load
- ratio of maximum demand to the connected load
- ratio of kilowatt hour consumed to 24 hours
Q8 | Which of the following represents the annual average load?
- (kwh supplied in a day)/24
- {(kwh supplied in a day)/ 24 } × 365
- {(kwh supplied in a month)/(30 x 24)
- (kwh supplied in a year) / (24 × 365)
Q9 | The load factor is
- always less than unity
- less than or greater than 1
- always greater than 1
- less than zero
Q10 | In practice what is the value of diversity factor?
- less than unity
- geater than unity
- equal to or greater than unity
- less than zero
Q11 | Which of the following is called as cold reserve?
- reserve capacity available but not ready for use
- reserve capacity available and ready for use
- generating capacity connected to bus and ready to take load
- capacity in service in excess of peak load
Q12 | A 400 MW nuclear power station would produce a equivalent radium of
- 100 tons daily
- 1000 tons daily
- 500 tons daily
- 10 tons daily
Q13 | How are moderate active solid wastes disposed?
- buried underground
- buried under sea
- sent to outer space
- left out in streams or rivers
Q14 | Moderate liquid nuclear wastes are disposed into
- deep pits
- buried underground
- left into rivers
- left into deep oceans
Q15 | Which type of disposal of nuclear waste is cheapest and easiest method of all?
- ground
- air
- space
- water
Q16 | How are active liquids of nuclear waste disposed?
- stored in concrete tanks and buried underground
- stored in concrete tanks and buried in sea
- mixed with other chemicals and left into free atmosphere
- they are reused and burnt away in gaseous fumes
Q17 | What are the ways in which most of radio activeness is removed?
- infusing them with other metal
- neutralizing them by diluting in chemical solutions
- storing them
- segregating them into small packs
Q18 | Can vacated coal mines be used for waste disposal.
- true
- false
Q19 | How is High Level solidified nuclear wastes (HLW) stored?
- concrete tanks
- canisters
- packed rock salt
- soil bins
Q20 | What is the approx cost of disposing nuclear waste into sea per cubic meter?
- 50 rs
- 300 rs
- 500 rs
- 1000 rs
Q21 | Absorption of radioactive element by human, affects their offspring’s.
- true
- false
Q22 | For how many days is radioactive solid waste kept is kept under water at 6m deep for initial cooling?
- 15 days
- 50 days
- 30 days
- 100 days
Q23 | What are released into biosphere from nuclear power plants?
- gaseous effluents
- waste product
- smoke
- the obtained product
Q24 | Tailings forms are the residues from
- uranium
- thorium
- cadmium
- boron
Q25 | LLW stands for
- low level water
- low laser width
- low level waste
- loss of levels in water