A. system power factor is changed
B. some loads are switched off
C. system voltage is reduced
D. system frequency is reduced Efficiency is the secondary consideration in
Correct Answer: some loads are switched off ✔
Last Updated: November 30, 2018
Related MCQs
- Air will not be the working substance in which of the following?
- Which of the following, in a thermal power plant, is not a fixed cost?
- In _________ fuel transportation cost is least.
- With reference to a power station which of the following is not a fixed cost?
- In which’of the following power plants the maintenance cost is usually high?
- Which of the following is not an operating cost?
- The connected load of a IVMIM uir consumer is around__________?
- Which of the following is an advantage of static capacitor for power factor improvement?
- An alternator coupled to a __________ runs at slow speed, as compared to as compared to others.
- When the demand of consumers is not met by a power plant, it will resort to which of the following?
- In power plants insurance cover is provided for which of the following?
- Which of the following are not repayable after a stipulated period?
- A pilot exciter is provided on generators for which of the following reasons?
- A synchronous condenser is virtually which of the following?
- Which of the following is the disadvantage due to low power factor?
- Large capacity generators are invariably__________?
- For which of the following power plants highly skilled engineers are required for running the plants?
- In a power plant if the maximum demand on the plant is equal to the plant capacity, then
- __________ industry has the least power consumption per ton of product?
- __________is the reserved generating capacity available for service under emergency conditions which is not kept in operation but in working order.
- The increased load during summer months is due to__________?
- power plant is expected to have the longest life?
- Direct conversion of heat into electrical energy is possible through__________?
- Low power factor is usually not due to__________?
- A low utilization factor for a plant indicates that
- Load curve helps in deciding__________?
- Annual depreciation of the plant it proportional to the earning capacity of the plant vide
- Load curve of a power plant has always__________?
- Load curve is useful in deciding the__________?
- Diversity factor has direct effect on the__________?
- The area under a load curve gives__________?
- A consumer has to pay lesser fixed charges in__________?
- A load curve indicates__________?
- The load factor of domestic load is usually__________?
- The expected useful life of an hydroelectric power station is around__________?
- For the same cylinder dimensions and speed, which of the following engine will produce least power?
- Which lightening stroke is most dangerous?
- Which of the following is the disadvantage of static capacitor for power factor improvement?
- The efficiency of a plant is of least concern when it is selected as__________?
- The primary reason for low power factor is supply system is due to installation of__________?
- In a load curve the highest point represents__________?
- Most efficient plants are normally used as__________?
- A power transformer is usually rated in__________?
- Generators for peak load plants are usually designed for maximum efficiency at__________?
- For a power plant which of the following constitutes running cost?
- Static capacitors are rated in terms of__________?
- Which of the following generating station has minimum running cost ?
- Which plant can never have 100 percent load factor?
- In two part tariff, variation in load factor will affect__________?
- Load factor of a power station is generally__________?