Power Systems Which of the following statements is/are true? Corona is reduced by increasing the distance between the conductor increasing the radius of the conductor All of these decreasing the supply frequency increasing the distance between the conductor increasing the radius of the conductor All of these decreasing the supply frequency ANSWER DOWNLOAD EXAMIANS APP
Power Systems Mho relay is used for the protection of medium length lines. no length criterion. short length lines. long transmission lines. medium length lines. no length criterion. short length lines. long transmission lines. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of following statement are false A thermal reactor needs a moderator material. In nuclear power plants, chain reaction is controlled by cadmium rods. In a nuclear reactor, multiplication factor is kept almost equal to one. Nuclear power plants are used as peak load plants only. A thermal reactor needs a moderator material. In nuclear power plants, chain reaction is controlled by cadmium rods. In a nuclear reactor, multiplication factor is kept almost equal to one. Nuclear power plants are used as peak load plants only. ANSWER DOWNLOAD EXAMIANS APP
Power Systems In which of the following frequency control method tie line may be overloaded? flat tie line control All of these flat frequency control parallel frequency flat tie line control All of these flat frequency control parallel frequency ANSWER DOWNLOAD EXAMIANS APP
Power Systems Gas coolled reactor use coolant at pressure of 14-28 Kg/cm2 and at temperature of 700°-800° c. both B and C. use heavy water as coolant as well as moderator. use CO2. or helium as coolant and graphite the moderator. use coolant at pressure of 14-28 Kg/cm2 and at temperature of 700°-800° c. both B and C. use heavy water as coolant as well as moderator. use CO2. or helium as coolant and graphite the moderator. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Gross head of an hydroelectric power station is all of above. the difference of water level between the level in storage and tail race. the height of water level in the river where the storage is provided. the height of water level in the river where the tail race is provided. all of above. the difference of water level between the level in storage and tail race. the height of water level in the river where the storage is provided. the height of water level in the river where the tail race is provided. ANSWER DOWNLOAD EXAMIANS APP
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