In a short circuit test on circuit breaker, time to reach the peak re-striking voltage is 50 µs with the peak restriking voltage of 100 kV. Determine average RRRV (Rate of rise re-striking voltage)? 1 x 10⁶ kV/sec 3 x 10⁶ kV/sec 2 x 10⁶ kV/sec 4 x 10⁶ kV/sec TRUE ANSWER : ? YOUR ANSWER : ?
Which one of the following statement with respect to Aerial Bunched Cables (ABC) system is TRUE? ABC system requires more clearance, insulators and high maintenance. ABC system is not suitable for rural electrification which are situated in difficult terrain, hills, forests and coastal areas. ABC system totally eliminates the fault on lines and thereby improving the quality of supply. The overall cost of the ABC system is very high as compared to the bare conductor system. TRUE ANSWER : ? YOUR ANSWER : ?
The relation between electric intensity E, voltage applied V and the distance d between the plates of a parallel plate condenser is E = V/(d)² E = Vx(d)² E = V/d E = V x d TRUE ANSWER : ? YOUR ANSWER : ?
Find the word which is correctly spelt from the given options. Absurrd Maximum Sentimant Wrinkel TRUE ANSWER : ? YOUR ANSWER : ?
A sudden, non power frequency change in the steady state condition of voltage or current that is bidirectional in polarity is called as Impulsive transient Distortion Oscillatory transients Harmonic TRUE ANSWER : ? YOUR ANSWER : ?
A circular loop has its radius increasing at a rate of 2 m/s. The loop is placed perpendicular to a constant magnetic field of 0.1 Wb/m². When the radius of the loop is 2 m, the emf induced in the loop will be 0.4π V 0.2π V 0.8π V zero TRUE ANSWER : ? YOUR ANSWER : ?
A wire pilot is generally economical for distances up to 30 km to 60 km 75 km to 100 km 10 km to 15 km 20 to 25 km TRUE ANSWER : ? YOUR ANSWER : ?
In circuit breaker, the term MCCB stands for modern closed circuit breaker miniature case circuit breaker miniature compact circuit breaker moulded case circuit breaker TRUE ANSWER : ? YOUR ANSWER : ?
Choose the word which expresses nearly the opposite meaning of the given word "WHIMSICAL" Fantastic Curious Regular Funny TRUE ANSWER : ? YOUR ANSWER : ?