DGVCL Exam Paper (12-06-2016) Increasing the number of turns of wire on the secondary of a transformer will Decrease the secondary current Have no effect on the secondary current Increase the secondary current Increase the primary current Decrease the secondary current Have no effect on the secondary current Increase the secondary current Increase the primary current ANSWER EXPLANATION DOWNLOAD EXAMIANS APP transformer ratio K : N₂/N₁=V₂/V₁=I₁/I₂
DGVCL Exam Paper (12-06-2016) A fuse wire should have : Low specific resistance and low melting point High specific resistance and high melting point High specific resistance and low melting point Low specific resistance and high melting point Low specific resistance and low melting point High specific resistance and high melting point High specific resistance and low melting point Low specific resistance and high melting point ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (12-06-2016) The transformer works on the principle of: None of these Mutual induction All of these Mutual capacitance None of these Mutual induction All of these Mutual capacitance 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) The following is/are the characteristics of SF₆ circuit breakers: It does not need an auxiliary breaking chamber Short break time of 2 to 2.5 cycles All of these None of these It does not need an auxiliary breaking chamber Short break time of 2 to 2.5 cycles All of these None of these ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (12-06-2016) The core construction is like spokes of a wheel in following transformer: Berry Type Transformer Core Type Transformer Shell Type Transformer None of these Berry Type Transformer Core Type Transformer Shell Type Transformer None of these ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (12-06-2016) The arc temperature in Oil Circuit Breaker may reach up to _____ 5,000° K 8,000° K 10,000° K None of these 5,000° K 8,000° K 10,000° K None of these ANSWER DOWNLOAD EXAMIANS APP
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