Power Systems Which of the following is/are the desirable properties of a insulator material? Both 1 and 2 High relative permittivity Low ratio of puncture strength to flash over. High ratio of puncture strength to flash over. Both 1 and 2 High relative permittivity Low ratio of puncture strength to flash over. High ratio of puncture strength to flash over. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Nuclear power plant are used as base load plants. none of above. peak load plants. intermediate load plants. base load plants. none of above. peak load plants. intermediate load plants. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Telecommunication lines are transposed to reduce the All of these radio interference in communication lines efficiency voltage level All of these radio interference in communication lines efficiency voltage level ANSWER DOWNLOAD EXAMIANS APP
Power Systems For a lossy transmission line, the characteristic impedance does not depend on The permittivity of the dielectric separating the conductor. The operating frequency of the line. The conductivity of conductors. The load terminating the line. The permittivity of the dielectric separating the conductor. The operating frequency of the line. The conductivity of conductors. The load terminating the line. ANSWER DOWNLOAD EXAMIANS APP
Power Systems When reactance grounding is used in network, the voltage between neutral and ground is IR0 × Xn both 1 and 3 3×IR0 × Xn IN × Xn IR0 × Xn both 1 and 3 3×IR0 × Xn IN × Xn ANSWER DOWNLOAD EXAMIANS APP
Power Systems A 60 Hz, 320 Km loss less line has sending end voltage 1.0 pu. The receiving end voltage on no-load is 1.116 pu. none of these. 1.1 pu. 1.088 pu. 1.116 pu. none of these. 1.1 pu. 1.088 pu. ANSWER DOWNLOAD EXAMIANS APP
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