Electrical engineering
MCQ related to Testing and Commissioning of Electrical Equipment (TCEE)
Set : 9
81. In SF6 type circuit breaker which mechanism is used. ?
pneumatic spring
82. Not a circuit breaker test ?
spring corrosive test
83. Not a type of lighting arrester ?
semiconductor arrester
84. isolator operat on....... condition ?
no load condition
85. ....... is the shortest path between two conductive parts through the surface of insulation ?
creepage
86. metal body of equipment connected with the ground is called ?
earthing
87. which is not method of earthing ?
spring earthing
88. maximum permissible earthing resistance for large power station ?
0.50 Ohm
89. the necessary parts are joined by a wire but the the wire is not connected to earth electrode is called..... ?
grounding
90. to eliminate static electric charge used ?
bonding
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