Bissoy.com
Doctors Medicines MCQs Q&A

Safety relay used in a transformer acts as

Safety relay used in a transformer acts as Correct Answer Buchholz Relay

Safety relay used in transformer act as Buchholz relay. It is a gas actuated relay and it is used to protect the transformer against all internal faults i.e. this relay is used to detect incipient faults which are initially minor faults but may cause major faults in due course of time in the transformer.

Related Questions

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 ______
In the question below, are given a statement followed by three courses of actions numbered I, II and III. On the basis of the information given, you have to assume everything in the statement to be true, and then decide which of the following suggested courses of actions logically follow(s) for pursuing. Statement: Starting October, all new cars will have pedestrian safety features, including new design of the bonnet, to reduce impact on pedestrians during accidents. Advanced safety features are needed in all vehicles in India as vehicle safety cannot be confined to luxury vehicles only. Around 1.5 lakh people are killed in road accidents every year in the country, nearly 60% of them are pedestrians.  Courses of action: I. The government has set a target to reduce the number of road deaths by half in the next two years. The ministry of road transport and highways has been issuing new safety standards for the automobiles along with eliminating the black spots on national highways.  II. By next month, all new cars will have pedestrian safety feature, including new design of the bonnet, to reduce impact on pedestrians during accidents.  III. Ministry of road transport and Highways is planning to implement all safety features in vehicles with active support of vehicle manufacturers. Electronic stability control (ESC) and autonomous emergency braking (AEB) will be incorporated in new vehicles by 2022.
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 restraining coil is biased with ______________
Buchholz relay is a protection relay used in oil immersed transformers. Under what conditions does Buchholz Relay will NOT operate?
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?
Which relay is a gas operated relay used for the protection of oil immersed transformer against the types of internal faults?
Rearrange the given sentences in a meaningful order. A) Millions of lives are lost annually throughout the world due to road accidents, resulting in huge loss of finance and resources for individuals as well as for the nation.  B) Road Safety in today’s context is the most significant issue which relates to the safety of public on road. C) There is an urgent need to make people more aware about road safety precautions and why they matter so much.   D) Every year governments throughout the world spend billions on the treatment and welfare of accident victims and their rescue.  E) Strict laws must also be implemented to enforce road safety norms.
Examine the following statements :
i) Factor of safety for steel should be based on its yield stress,
ii) Factor of safety for steel should be based on its ultimate stress,
iii) Factor of safety for concrete should be based on its yield stress,
iv) Factor of safety for concrete should be based on its ultimate stress.
The correct statements are