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MCQ, set-9, Testing & Commissioning of Electrical Equipments

Electrical engineering

MCQ related to Testing and Commissioning of Electrical Equipment (TCEE)

Set : 9

81. In SF6 type circuit breaker which mechanism is used. ?




... Answer is A)
pneumatic spring



82. Not a circuit breaker test ?




... Answer is D)
spring corrosive test



83. Not a type of lighting arrester ?




... Answer is D)
semiconductor arrester



84. isolator operat on....... condition ?




... Answer is B)
no load condition



85. ....... is the shortest path between two conductive parts through the surface of insulation ?




... Answer is A)
creepage



86. metal body of equipment connected with the ground is called ?




... Answer is B)
earthing



87. which is not method of earthing ?




... Answer is A)
spring earthing



88. maximum permissible earthing resistance for large power station ?




... Answer is A)
0.50 Ohm



89. the necessary parts are joined by a wire but the the wire is not connected to earth electrode is called..... ?




... Answer is B)
grounding



90. to eliminate static electric charge used ?




... Answer is C)
bonding



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