If a 415 V, 50 Hz, star-connected, three-phase squirrel-cage induction motor is operated from a 415 V, 70 Hz supply, the torque that the motor can now provide while drawing rated current from the supply reduces increases or reduces depending upon the rotor resistance increases remains the same TRUE ANSWER : ? YOUR ANSWER : ?
Simultaneous tripping of the circuit breaker at both ends of a transmission line is achieved by overcurrent protection pilot protection distance protection none of these TRUE ANSWER : ? YOUR ANSWER : ?
Which generation of computers used vacuum tubes? Third Generation Second Generation Fourth Generation First Generation TRUE ANSWER : ? YOUR ANSWER : ?
In 2019, India stands ___ position in the consumption of electricity in the world. Fourth First Second Third TRUE ANSWER : ? YOUR ANSWER : ?
A given solar cell has the following specifications:<br/>Open-circuit voltage, Voc: 0.7 V<br/>Short-circuit current, Isc: 3.5 A<br/>Short-circuit current, Isc: 3.5 A<br/>Short-circuit current, Isc: 3.5 A<br/>If the solar cell operates at maximum power point, calculate the efficiency. 15.70% 13.70% 12.70% 14.70% TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following are the advantages of Aerial Bunched Cables (ABC)? All of these Reduced height of supports Elimination of theft of energy Higher safety and reliability TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following architectures is also known as "Five Principles of Peaceful Co-existence"? Panchayatana Vedanga Manusmriti Panchsheel TRUE ANSWER : ? YOUR ANSWER : ?
For sea water with σ = 5 mho/m and ε_r = 80, what is the distance for which ratio signal can be transmitted with 90% attenuation at 25 kHz? 32.7 m 327 m 3.27 m 0.327 m TRUE ANSWER : ? YOUR ANSWER : ?
The normal percentage bias setting of differential relay used for transformer protection will be above 75% between 50% and 75% between 10% and 50% below 10% TRUE ANSWER : ? YOUR ANSWER : ?
___ is the rms value of the total current comprising the AC and DC components of the current in the circuit breaker pole at the instant of contact separation. Asymmetrical breaking current Symmetrical short circuit current Symmetrical breaking current Making current TRUE ANSWER : ? YOUR ANSWER : ?