Transmission & Distribution The following system is not generally used 3-phase 3-wire 1-phase 4-wire 1-phase 3-wire 3-phase 4-wire 3-phase 3-wire 1-phase 4-wire 1-phase 3-wire 3-phase 4-wire ANSWER DOWNLOAD EXAMIANS APP
Transmission & Distribution A 3 wire dc distribution system makes available Two voltages Three voltages One voltages None of the listed here Two voltages Three voltages One voltages None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Transmission & Distribution Skin effect only exist in Cables carrying dc current Ac transmission High voltage dc overhead transmission Low voltage dc overhead transmission Cables carrying dc current Ac transmission High voltage dc overhead transmission Low voltage dc overhead transmission ANSWER DOWNLOAD EXAMIANS APP
Transmission & Distribution Which of the following is the demerit of a 'constant voltage transmission system'? Improvement of power factor at times of moderate and heavy loads Availability of steady voltage at all loads at the line terminals Increase of short-circuit current of the system Possibility of better protection for the line due to possible use of higher terminal reactants Improvement of power factor at times of moderate and heavy loads Availability of steady voltage at all loads at the line terminals Increase of short-circuit current of the system Possibility of better protection for the line due to possible use of higher terminal reactants ANSWER DOWNLOAD EXAMIANS APP
Transmission & Distribution The cause of damage to the lead sheath of a cable is all of these crystallisation of the lead through vibration chemical action on the lead when buried in the earth mechanical damage all of these crystallisation of the lead through vibration chemical action on the lead when buried in the earth mechanical damage ANSWER DOWNLOAD EXAMIANS APP
Transmission & Distribution The skin effect of a conductor will reduce as the Frequency increases Permeability of conductor material increases Diameter increases Resistivity of conductor material increases Frequency increases Permeability of conductor material increases Diameter increases Resistivity of conductor material increases ANSWER DOWNLOAD EXAMIANS APP
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