Study Clue – Page 8

MCQ on Vacuum Circuit Breaker

1. What is the primary dielectric medium used in Vacuum Circuit Breakers (VCBs)? (a). Gas (b). Oil (c). Air (d).

1. What is the primary medium used in SF6 circuit breakers to extinguish electrical arc? (a). Oil (b). Air (c).

1. What is the interrupting medium used in Air Blast Circuit Breaker (ABCB)? (a). Oil (b). Water (c). compressed air

1. What is the primary quenching medium used in air break circuit breakers? (a). Water (b). boil (c). air (d).

1. What is the primary function of insulating oil in oil circuit breakers? (a). generate electricity (b). extinguishing the arc

1. What is the primary purpose of a circuit breaker? (a). Producing abnormal currents (b). Interrupts abnormal currents and acts

1. What is the local word for glaciers in Himachal Pradesh? (a). Snowy (b). Shigri (c). Glaciana (d). Frostic [su_spoiler

1. Where is the Vashishtha hot water spring located? (a). Sangla Valley (b). Sutlej Valley (c). Kullu district (d). Shimla

1. Where is Govind Sagar, the largest artificial lake in Himachal Pradesh located? (a). Kangra district (b). Mandi District (c).

1. By what name is Kangra Valley known? (a). Land of cedars (b). Land of heroes (c). Valley of Flowers