GETCO Exam Paper (30-11-2008) Two transformers are connected in parallel and share loads in the ratio of their kVA ratings when their ohmic impedances are equal purely reactive in inverse ratio of their ratings in direct ratio of their ratings equal purely reactive in inverse ratio of their ratings in direct ratio of their ratings ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (30-11-2008) Transmission efficiency increases as voltage increases but power factor decreases voltage decreases but power factor increases voltage and power factor both increase voltage and power factor both decrease voltage increases but power factor decreases voltage decreases but power factor increases voltage and power factor both increase voltage and power factor both decrease ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (30-11-2008) Steady - state stability limit of a power system means that the system is capable of maintaining synchronism between machines and on external tie lines a constant power flow throughout All of these the frequency at 50 Hz exactly synchronism between machines and on external tie lines a constant power flow throughout All of these the frequency at 50 Hz exactly ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (30-11-2008) Dynamic stability characteristics are predominant in the period immediately following a loss of load between the time the governors start reacting and when the steady-state stability is reached while governor is in action both (b) & (c ) immediately following a loss of load between the time the governors start reacting and when the steady-state stability is reached while governor is in action both (b) & (c ) ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (30-11-2008) In a dry type transformer, accumulation of dust on the windings and core is likely to cause short circuiting of primary winding short circuiting of secondary winding reduction in heat dissipation corrosion of core material short circuiting of primary winding short circuiting of secondary winding reduction in heat dissipation corrosion of core material ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (30-11-2008) Arcing voltage will be the least in case of copper tungsten silver carbon copper tungsten silver carbon ANSWER DOWNLOAD EXAMIANS APP
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