Power Systems Which of the following relays is/are unit protection relays? over current relays Buccholz relays both 1 and 2 Differential relays over current relays Buccholz relays both 1 and 2 Differential relays ANSWER DOWNLOAD EXAMIANS APP
Power Systems If the conductor diameter decreases, inductance of the line, decreases increases remains unaffected None of these decreases increases remains unaffected None of these ANSWER DOWNLOAD EXAMIANS APP
Power Systems The radiation shield for a nuclear power reactor for biological safety is provided by having the reactor encased by thick concrete wall. encased thick metal wall. immersed in water pool. isolated from outside word with strong magnetic field. encased by thick concrete wall. encased thick metal wall. immersed in water pool. isolated from outside word with strong magnetic field. ANSWER DOWNLOAD EXAMIANS APP
Power Systems An unloaded generator with a pre-fault voltage 1 pu has the following sequence impedance: Z0 = j 0.15 pu, Z1 = Z2 = j 0.25 pu The neutral is grounded with a reactance of 0.05 pu. The fault current in pu for single line to ground fault is 2.5 pu 7.25 pu 4.28 pu 3.75 pu 2.5 pu 7.25 pu 4.28 pu 3.75 pu ANSWER DOWNLOAD EXAMIANS APP
Power Systems In which power plant, the thermal efficiency is quite low Hydro power plant. Nuclear power plant. Diesel power plant. Steam power plant. Hydro power plant. Nuclear power plant. Diesel power plant. Steam power plant. ANSWER DOWNLOAD EXAMIANS APP
Power Systems In nuclear chain fission reaction each neutron causing fission produces one new neutron. no new neutron. less than one new neutron. at least one new neutron. one new neutron. no new neutron. less than one new neutron. at least one new neutron. ANSWER DOWNLOAD EXAMIANS APP
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