DGVCL Exam Paper (11-12-2011) If the percentage reactance of the system upto the point of fault is 20% and the base kVA is 10,000 the short ciruit kVA is 60 MVA 20 MVA 50 MVA 10 MVA 60 MVA 20 MVA 50 MVA 10 MVA ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Short circuit kVA = Base kVA/%X
DGVCL Exam Paper (11-12-2011) The form factor in AC means the ration of R.M.S. value to average value Peak value to average value R.M.S. value to peak value Peak value to r.m.s value R.M.S. value to average value Peak value to average value R.M.S. value to peak value Peak value to r.m.s value ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (11-12-2011) Which type of back up protection is widely used for the protection of transmission lines? Breaker backup Remote backup Relay backup Control backup Breaker backup Remote backup Relay backup Control backup ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (11-12-2011) If a relay fails to operate inspite of a fault in its own zone of protection, it is said to Over reach Pick up Under reach Reach Over reach Pick up Under reach Reach ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (11-12-2011) The purpose of providing a choke in a tube light is To improve the power factor To limit the current to an appropriate value To eliminate corona effect To avoid radio interference To improve the power factor To limit the current to an appropriate value To eliminate corona effect To avoid radio interference ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (11-12-2011) A fixed step by step procedure for finding the solution of a problem on computer is called Software Hardware Algorithm Logic Software Hardware Algorithm Logic ANSWER DOWNLOAD EXAMIANS APP