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Consider the following statements with respect to a relay: 1. A relay is energized if NC contacts are opened. 2. The pickup current is the minimum relay coil current required to keep a relay energized. Which of the above statements is/are correct?
If a transformer is provided with differentially connected relay. To prevent the mal operation of the relay, the relay relay operating coil is biased with ______
Buchholz relay is a protection relay used in oil immersed transformers. Under what conditions does Buchholz Relay will NOT operate?
The given figure shows protection system scheme for one phase of generator. A high resistance fault occurs near the neutral end with the current distribution as marked. The slope of the relay is 10% and pick-up current of 0.15A. The CT ratio is 500/5. Will the relay operate under given circumstances?
What is the optimum supply current that is required to operate the ESP8266 WiFi Module?
There exist three terminals in a relay called C, NO, NC, in an application, it is desired that whenever the relay is active the load must be connected be supply, otherwise the load will be disconnected from supply. Which of the following connection type in relay will provide solution to the stated problem?
A solenoid type relay is what type of relay as far as the relay timing is concerned?
If a transformer is provided with differentially connected relay. To prevent the mal operation of the relay, the relay restraining coil is biased with ______________
A suit, a trouser, and a shirt are to be stitched from a cloth. The cloth required for the suit is the average of cloth required for trousers and shirt. The length of the cloth for suit is 1.5 times the cloth required for the shirt. The length of cloth required for shirt is 5 times the even prime number. Which of the following is/are correct? A. Cloth required for trousers is 20 m B. Average length of cloth required for all the dresses = Cloth required for suit C. Initially, the cloth was 45 m D. Cloth required for shirt is 15 m
What is the time complexity for the following C module? Assume that n > 0; int module(int n) { if(n == 1) return 1; else return (n + module(n-1)); }