What is the most important property which makes the SF6 very efficient medium for circuit breaking?

Related MCQs

• Assertion (A): In comparison to making capacity of a circuit breaker its breaking capacity is normally higher. Reason (R): The breaking capacity of a CB is expressed as √3 * VI * 10-6 MVA
• What is the major drawback of using SF6 circuit breakers?
• Why do the SF6 gases have an excellent heat transfer property?
• Which part of the circuit breaker is helpful in breaking the current?
• A three phase, 33 kV oil circuit breaker is rated 1200 A, 2000 MVA, 3s. What is its symmetrical breaking current?
• The making and breaking currents of a 3 phase ac circuit breakers in power systems are respectively in ________form.
• What is the making to breaking current ratio for an extra high voltage circuit breaker?
• The breaking capacity of a three phase circuit breaker is given by
• What is the breaking capacity of the air blast circuit breaker?
• SF6 is which type of gas?