GETCO Exam Paper (11-06-2017) Which of the following is not equivalent to watts? amperes/volt joules per second amperes x volts amperes² x ohm amperes/volt joules per second amperes x volts amperes² x ohm ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (11-06-2017) A synchronous condenser is virtually a/an induction motor under-excited synchronous motor over-excited synchronous motor commutatr motor induction motor under-excited synchronous motor over-excited synchronous motor commutatr motor ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Synchronous motor operate at no load with over excitation it behave as synchronous capacitorsupply reactive power at leading power factor
GETCO Exam Paper (11-06-2017) If the effect of earth is taken into account, then the capacitance of line to ground becomes infinite decreases remains unaltered increases becomes infinite decreases remains unaltered increases ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (11-06-2017) Feeder is designed mainly from the point of view of operating frequency voltage drop in it its current carrying capacity operating voltage operating frequency voltage drop in it its current carrying capacity operating voltage ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (11-06-2017) Cells are connected in parallel in order to increase the life of the cells efficiency voltage rating current capacity life of the cells efficiency voltage rating current capacity ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (11-06-2017) If the reading of two wattmeters are equal and positive in two wattmeter method, the load power factor in abalanced 3-phase 3-wire circuit will be 0.5 0.866 unity zero 0.5 0.866 unity zero ANSWER EXPLANATION DOWNLOAD EXAMIANS APP W1 = W2 (+Ve) → PF = 1W1, W2 Positive → PF > 0.5W1 +Ve, W2 = 0 → PF = 0.5W1 +Ve, W2 = -Ve → PF < 0.5W1 = - W2 → PF = 0