It is an inverse definite minimum time relay.In IDMT relay its operating is inversely proportional and also a characteristic of minimum time after which this relay operates.It is inverse in the sense ,the tripping time will decrease as the magnitude of fault current increase.
Tell me what is the significance of single ended & differential ended input for PLC? Application wise comparison of these two types of inputs?
Tell me what is Foundation field bus?
Explain what is meant by instrument location & JB location?
Tell me in a globe type control valve, what is the importance of flow direction (top to bottom or bottom to top)?
Tell me what if thermocouple wire is opened in the field? What signal goes to DCS?
Tell me what is the difference between a protocol and a field bus?
Explain what is force balance principle? State some of its’ advantages?
Tell me where should we use top mounted or side mounted level switch?
Tell me why is earthing provided in the rack room if the power supplies present are floating?
Tell me what is differential tracking system?
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