a) Increases the stress and decreases the length b) Increases the stress and increases the length c) Decreases the stress and increases the length d) Decreases the stress and decreases the length Ans: (c)
a) Inductance of the circuit b) Capacitance of the circuit c) Corona and power loss due to corona d) Both (a) and (b) above Ans: (c)
a) Series resistance R and series inductance L b) Series resistance R and series capacitance C c) Series resistance R and series capacitance G d) Series inductance L and series capacitance G Ans: (a)
a) Using a high permittivity solid dielectric b) Providing a strong metallic sheath outside the cable c) Filling oil at high pressure as dielectric d) None of these Ans: (c)
a) Earth b) Sheath c) Neighbouring conductor d) All of these Ans: (c)
a) Balance the 3 phase of the circuit b) Minimize the effect of abjoining communication circuit c) Decreases the line inductance per phase d) None of these Ans: (a)
a) Increases in the length of the insulation of cable b) Decreases in the length of the insulation of cable c) Increases in electric stress d) Increases in temperature Ans: (a)
a) The ampere capacity of the service b) The voltage of the service wires c) The atmospheric conditions d) None of these Ans: (a)
a) Sending end voltage VS b) Receiving end voltage VR c) Torque angle δ between VS and VR d) Difference voltage (VS - VR) Ans: (c)
a) One-fourth that of a phase conductor b) Half that of a phase conductor c) Equal to that of a phase conductor d) Twice that of a phase conductor Ans: (a)