(a) Located in the conservator tank (b) Located in the transformer tank itself (c) Connected in the pipe connecting main tank of transformer and conservator (d) Installed in the circuit breaker
Answer
Answer : (c)
Explanation
Explanation : No answer description available for this question. Let us discuss.
Relays » Exercise - 1 1. The relay best suited for phase fault relaying for medium transmission lines is : (a) Mho relay (b) Reactance relay (c) Impedance relay (d) None of the above 2. Thermal relays are used for the protection of motors against over-current owing to : (a) Short circuit (b) Heavy loads (c) Earth fault (d) All the above 3. For ground fault, which of the relay is preferred : (a) Plain impedance relay (b) Directional relay (c) Reactance relay (d) Over-current relay 4. Buchholz relay is : (a) Located in the conservator tank (b) Located in the transformer tank itself (c) Connected in the pipe connecting main tank of transformer and conservator (d) Installed in the circuit breaker 5. The relay used for the feeder protection is : (a) Under-voltage relay (b) Translay relay (c) Thermal relay (d) Buchholz relay
Transformer » Exercise - 18. If the primary power of an ideal transformer having a 2:1 voltage ratio is 100 W, the secondary power is : (a) 50 W (b) 75 W (c) 100 W (d) 200 W
Relays » Exercise - 12. Thermal relays are used for the protection of motors against over-current owing to : (a) Short circuit (b) Heavy loads (c) Earth fault (d) All the above
Relays » Exercise - 15. The relay used for the feeder protection is : (a) Under-voltage relay (b) Translay relay (c) Thermal relay (d) Buchholz relay