Power Systems If the time of operation of a relay for unity TMS is 10 sec. the time of operation of 0.5 TMS will be _______________ secs. 3. 5. 7. 20. 3. 5. 7. 20. ANSWER DOWNLOAD EXAMIANS APP
Power Systems How to find the total number of strands (N) when number of layers (x) are given Total number of strands N = 3x² - 3x - 1 Total number of strands N = 3x² + 3x - 1 Total number of strands N = 3x² + 3x + 1 Total number of strands N = 3x² - 3x + 1 Total number of strands N = 3x² - 3x - 1 Total number of strands N = 3x² + 3x - 1 Total number of strands N = 3x² + 3x + 1 Total number of strands N = 3x² - 3x + 1 ANSWER DOWNLOAD EXAMIANS APP
Power Systems A transmission line has a surge impedance of 400 Ω for a length of the line of 200 km. If the length of line is increased to 400 km, then its surge impedance is 800 Ω 200 Ω 400 Ω 0 Ω 800 Ω 200 Ω 400 Ω 0 Ω ANSWER DOWNLOAD EXAMIANS APP
Power Systems The power output from an hydroelectric plants depend on type of turbine, type of dam and type of catchment area. type of dam, head, system efficiency. type of dam, type of catchment area and discharge. discharge, system efficiency. type of turbine, type of dam and type of catchment area. type of dam, head, system efficiency. type of dam, type of catchment area and discharge. discharge, system efficiency. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Frequencies must be same in which of the following line to exchange the power from one place to other place ? Synchronous line No need of same frequency for exchange of power Asynchronous line both 1 and 2 Synchronous line No need of same frequency for exchange of power Asynchronous line both 1 and 2 ANSWER DOWNLOAD EXAMIANS APP
Power Systems The modern trend in electric power generation to have large size thermal plants near load centre. to have large size thermal plant located near coal fields. none of above. to have large number of small size thermal plants located at different places. to have large size thermal plants near load centre. to have large size thermal plant located near coal fields. none of above. to have large number of small size thermal plants located at different places. ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS