Power Systems Which device is used for protection of equipment from from damage caused by overload or short circuit? CVT circuit breaker lightning arrester current transformer CVT circuit breaker lightning arrester current transformer ANSWER DOWNLOAD EXAMIANS APP
Power Systems Gross head of an hydroelectric power station is the difference of water level between the level in storage and tail race. all of above. the height of water level in the river where the tail race is provided. the height of water level in the river where the storage is provided. the difference of water level between the level in storage and tail race. all of above. the height of water level in the river where the tail race is provided. the height of water level in the river where the storage is provided. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The ABCD constants of a 3-phase transmission line are A = D = 0.8∠1°, B = 170∠85° Ω , C = 0.002∠90.4° ℧. The sending end voltage is 400 kV. The receiving end voltage under no load condition is 350 kV 600 kV 400 kV 500 kV 350 kV 600 kV 400 kV 500 kV ANSWER DOWNLOAD EXAMIANS APP
Power Systems Water hamming process in pen-stocks results in noise increases. None of these pressure increases. noise increases, pressure increases, velocity decreases. noise increases. None of these pressure increases. noise increases, pressure increases, velocity decreases. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Thermal shielding is provided to prevent the reactor wall from getting heated. All of these absorb the fast neutron. protected the operating personal from exposure to radiations. prevent the reactor wall from getting heated. All of these absorb the fast neutron. protected the operating personal from exposure to radiations. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following relationships are not valid for short transmission lines A = D = 1 All of these B = C = Z Is = Ir A = D = 1 All of these B = C = Z Is = Ir ANSWER DOWNLOAD EXAMIANS APP
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