DGVCL Exam Paper (12-06-2016) The Minimum Oil Circuit Breaker (MOCB) is named because of : Reduced requirement of oil Reduced requirement of air All of these None of these Reduced requirement of oil Reduced requirement of air All of these None of these ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (12-06-2016) Capacitance is the ability of a body to store an _____ electrical charge voltage electric current All of these electrical charge voltage electric current All of these ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (12-06-2016) In a transformer the energy is conveyed from primary to secondary Through cooling coil By the flux None of these Through air Through cooling coil By the flux None of these Through air ANSWER EXPLANATION DOWNLOAD EXAMIANS APP function of transfomer is that transfer electrical energy from primary cicuit to secondary through magnetic cicuit by mutual induction
DGVCL Exam Paper (12-06-2016) The time of closing the cycle, in modern circuit breakers is 0.003 sec. 0.01 sec. 0.1 sec. 0.001 sec. 0.003 sec. 0.01 sec. 0.1 sec. 0.001 sec. ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (12-06-2016) The transformer works on the principle of: Mutual capacitance Mutual induction None of these All of these Mutual capacitance Mutual induction None of these All of these ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Transformer is static device.two or more stationary electrical circuit mutually linked by magnetic circuit.assumptions of ideal transformer:1. there are no losses.2. whole magnetic flux constant no leakage.3. permeability of core is infinite.
DGVCL Exam Paper (12-06-2016) For 11 kV line the capacitance per km per phase will be of the order of: 0.1 Farad 0.01 microF 0.01 Farad 1 Farad 0.1 Farad 0.01 microF 0.01 Farad 1 Farad ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS