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. 20. 5. 3. 7. 20. 5. 3. 7. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Water hamming process in pen-stocks results in None of these noise increases. pressure increases. noise increases, pressure increases, velocity decreases. None of these noise increases. pressure increases. noise increases, pressure increases, velocity decreases. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The presence of earth in case of overhead lines increase capacitance decrease inducatance increase inductance decrease capacitance increase capacitance decrease inducatance increase inductance decrease capacitance ANSWER DOWNLOAD EXAMIANS APP
Power Systems What will be the thermal efficiency of a 240 V, 1000 W electric kettle if it brings 2 liters of water at 15° C to boiling point 15 Minutes 78.96 %. 80.25 %. 79.33 %. 74.56 %. 78.96 %. 80.25 %. 79.33 %. 74.56 %. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following decides the insulation level of 400 kV, EHV line? skin effect radio interference switching over voltage lighting voltage skin effect radio interference switching over voltage lighting voltage ANSWER DOWNLOAD EXAMIANS APP
Power Systems Skin effect depends on All of these frequency conductivity relative permeability All of these frequency conductivity relative permeability ANSWER DOWNLOAD EXAMIANS APP