GETCO Exam Paper (30-11-2008) An air blast C.B. is usually employed for _____ duty instantaneous repeated short intermittent instantaneous repeated short intermittent ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (30-11-2008) The number of pilot wires required for protecting 3-phase transmission lines using Translay System of protection is 3 4 6 2 3 4 6 2 ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (30-11-2008) In a transformer it is difficult to measure the efficiency by output-input measurement methods because losses are abnormally high output is out of phase with respect to input the output is sinusoidal and hence cannot be measured efficiency of transformer is usually high and hence extremely accurate measurements will be necessary losses are abnormally high output is out of phase with respect to input the output is sinusoidal and hence cannot be measured efficiency of transformer is usually high and hence extremely accurate measurements will be necessary ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (30-11-2008) Directional over current relays have two exciting coils connected across _____ secondary's of two _____ phases T., different P.T., different T. & P.T., different T. & P.T., same T., different P.T., different T. & P.T., different T. & P.T., same ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (30-11-2008) The arc voltage in a C.B. is _____ with the arc current in phase lagging by 90˚ none of these leading by 90˚ in phase lagging by 90˚ none of these leading by 90˚ ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (30-11-2008) In the parallel operation of transformers, which statement is false transformers voltage ratings same transformers transformation ratios same transformers kVA ratings equal None of these transformers voltage ratings same transformers transformation ratios same transformers kVA ratings equal None of these ANSWER DOWNLOAD EXAMIANS APP