Low tension cables are generally used up to___________?
Low tension cables are generally used up to___________?
A. 200 V
B. 500 V
C. 700 V
D. 1000 V
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A cable carrying alternating current has__________?
A cable carrying alternating current has__________?A. hysteresis losses only
B. hysteresis and leakage losses only
C. hysteresis, leakage and copper losses only
D. hysteresis, leakage, copper and friction lossesThe thickness of metallic shielding on cables is usually_______________?
The thickness of metallic shielding on cables is usually_______________?A. 0.04 mm
B. 0.2 to 0.4 mm
E. 3 to 5 mm
D. 40 to 60 mmcables are used for 132 kV lines____________?
cables are used for 132 kV lines____________?A. High tension
B. Super tension
C. Extra high tension
D. Extra super voltageIn congested areas where excavation is expensive and inconvenient ‘draw in system’ of laying of underground cables is often adopted
In congested areas where excavation is expensive and inconvenient ‘draw in system’ of laying of underground cables is often adoptedA. Yes
B. NoIn cables the charging current__________?
In cables the charging current__________?A. lags the voltage by 90°
B. leads the voltage by 90°
C. lags the voltage by 180°
D. leads the voltage by 180°If the length of a cable is doubled, its capacitance____________?
If the length of a cable is doubled, its capacitance____________?A. becomes one-fourth
B. becomes one-half
C. becomes double
D. remains unchanged