[amp_mcq option1=”total installed capacity of the plant” option2=”sizes of the generating units” option3=”operating schedule of generating units” option4=”all of the above” correct=”option4″]
Economics of power generation
2. Which of the following should be used for extinguishing electrical fires?
[amp_mcq option1=”Water” option2=”Carbon tetrachloride fire extinguisher” option3=”Foam type fire extinguisher” option4=”CO2 fire extinguisher” correct=”option4″]
Detailed SolutionWhich of the following should be used for extinguishing electrical fires?
3. The area under a load curve gives
[amp_mcq option1=”average demand” option2=”energy consumed” option3=”maximum demand” option4=”none of the above” correct=”option2″]
4. Which of the following is the essential requirement of peak load plant?
[amp_mcq option1=”It should run at high speed” option2=”It should produce high voltage” option3=”It should be small in size” option4=”It should be capable of starting quickly” correct=”option4″]
Detailed SolutionWhich of the following is the essential requirement of peak load plant?
5. The expected useful life of an hydroelectric power station is around
[amp_mcq option1=”15 years” option2=”30 years” option3=”60 years” option4=”100 years” correct=”option3″]
Detailed SolutionThe expected useful life of an hydroelectric power station is around
6. Power plant is expected to have the longest life.
[amp_mcq option1=”Steam” option2=”Diesel” option3=”Hydroelectric” option4=”Any of the above” correct=”option3″]
Detailed SolutionPower plant is expected to have the longest life.
7. Which of the following is not necessarily an advantage of interconnecting various power stations?
[amp_mcq option1=”Improved frequency of power supplied” option2=”Reduction in total installed capacity” option3=”Increased reliability” option4=”Economy in operation of plants” correct=”option1″]
8. Generating capacity connected to the bus bars and ready to take load when switched on is known as
[amp_mcq option1=”firm power” option2=”cold reserve” option3=”hot reserve” option4=”spinning reserve” correct=”option4″]
9. The primary reason for low power factor is supply system is due to installation of
[amp_mcq option1=”induction motors” option2=”synchronous motors” option3=”single phase motors” option4=”d.c. motors” correct=”option1″]
Detailed SolutionThe primary reason for low power factor is supply system is due to installation of
10. Which of the following power plants need the least period for installation ?
[amp_mcq option1=”Thermal power plant” option2=”Diesel power plant” option3=”Nuclear power plant” option4=”Hydro-electric power plant” correct=”option2″]
Detailed SolutionWhich of the following power plants need the least period for installation ?