What are the main challenges that the electric grid faces? Reliability and Power Quality is Declining All of these Increase in Energy Demand Global rise in temperature TRUE ANSWER : ? YOUR ANSWER : ?
A 1000 kVA ONAN cooled transformer has a load of 500 kVA throughout the day except for a period of 2 hours. What is the permissible overload for a duration of two hours. Assume the permissible load kVA as a fraction of rated kVA is 1.43. 715 kVA 1430 kVA 700 kVA 1050 kVA TRUE ANSWER : ? YOUR ANSWER : ?
Determine the ohmic value of the current limiting reactor per phase external to a 40 MVA, 15 kV, 50 Hz, three phase synchronous generator which can limit the current on short circuit of 6 times the full load current. The reactance of the synchronous generator is 0.06 pu. 0.8 Ω 0.4 Ω 0.2 Ω 0.6 Ω TRUE ANSWER : ? YOUR ANSWER : ?
In transformers,<br/>Statement 1: Deterioration of oil may occur due to the result of prolonged overloading of the transformer.<br/>Statement 2: Dielectric faults occur in the winding due to turn-to-turn insulation breakdown. Statement 1 is TRUE and Statement 2 is FALSE Both Statement 1 and Statement 2 are FALSE Statement 1 is FALSE and Statement 2 is TRUE Both Statement 1 and Statement 2 are TRUE TRUE ANSWER : ? YOUR ANSWER : ?
Consider the following statements and choose the correct option.<br/>Statement 1: The speed regulation of a synchronous motor is always unity.<br/>Statement 2: In a synchronous motor, at no-load condition, and with normal excitation the armature current drawn by a synchronous motor is in phase with applied voltage. Statement 1 is FALSE and Statement 2 is TRUE Statement 1 is TRUE and Statement 2 is FALSE Both Statement 1 and Statement 2 are FALSE Both Statement 1 and Statement 2 are TRUE TRUE ANSWER : ? YOUR ANSWER : ?
Which among these components connects to physical equipments of the distribution system? Remote Terminal Unit Central control room with host computers None of these Communication infrastructure TRUE ANSWER : ? YOUR ANSWER : ?
Data Encryption Standard (DES) was designed by Microsoft IBM None of these Apple TRUE ANSWER : ? YOUR ANSWER : ?
The current flowing in to a balanced delta connected load through line 'a' is 10 A when the conductor of line ’b’ is open. With the current in line 'a' as reference, compute the symmetrical components of the line currents. Assume the phase sequence of ’abc’. Ia₀ = 10 A.Ia₁ = (-1.66 + j2.88) A.Ia₂ = (1.66 + j2.88) A. Ia₀ = 0 A.Ia₁ = (-1.66 + j2.88) A.Ia₂ = (1.66 + j2.88) A. Ia₀ = 0 A.Ia₁ = (-5 + j2.88) A.Ia₂ = (5 - j2.88) A. Ia₀ = 10 A.Ia₁ = (-5 + j2.44) A.Ia₂ = (5 - j2.44) A. TRUE ANSWER : ? YOUR ANSWER : ?
Rearrange the following to form a meaningful sentence and find the most logical order from the given options.<br/>P: globally, out of which over 200 million<br/>Q: are now in India, and<br/>R: flipkart has 700 million users<br/>S: growing exponentially RSQP RPSQ PQRS RPQS TRUE ANSWER : ? YOUR ANSWER : ?
The short circuit current of a solar cell is changes logarithmically with radiation constant and not affected by radiation inversely proportional to radiation intensity directly proportional to radiation intensity TRUE ANSWER : ? YOUR ANSWER : ?