DGVCL Exam Paper (12-06-2016) A fuse wire should have : Low specific resistance and high melting point High specific resistance and high melting point High specific resistance and low melting point Low specific resistance and low melting point Low specific resistance and high melting point High specific resistance and high melting point High specific resistance and low melting point Low specific resistance and low melting point ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (12-06-2016) The number of cycles in which a high speed circuit breaker can complete its operation is 10 to 18 20 to 30 40 to 50 3 to 8 10 to 18 20 to 30 40 to 50 3 to 8 ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (12-06-2016) If 3000 kW power is to be transmitted over a distance of 30 km, the desirable transmission voltage will be 132 kV 66 kV 11 kV 33 kV 132 kV 66 kV 11 kV 33 kV ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (12-06-2016) The voltage of transmission can be regulated by Any of the above methods Switching in shunt capacitors at the receiving end during heavy loads Use of tap changing transformers Use of capacitors to neutralize the effect of series reactance Any of the above methods Switching in shunt capacitors at the receiving end during heavy loads Use of tap changing transformers Use of capacitors to neutralize the effect of series reactance ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (12-06-2016) Increasing the number of turns of wire on the secondary of a transformer will Decrease the secondary current Increase the primary current Have no effect on the secondary current Increase the secondary current Decrease the secondary current Increase the primary current Have no effect on the secondary current Increase the secondary current ANSWER EXPLANATION DOWNLOAD EXAMIANS APP transformer ratio K : N₂/N₁=V₂/V₁=I₁/I₂
DGVCL Exam Paper (12-06-2016) Which of the following circuit breakers has high reliability & minimum maintenance? Vacuum CB Sulphur hexafluoride CB Bulk oil type CB Air blast CB Vacuum CB Sulphur hexafluoride CB Bulk oil type CB Air blast CB ANSWER DOWNLOAD EXAMIANS APP