A. oil filled
B. S.L. type
C. belted
D. armoured
Related Mcqs:
- Solid type cables are considered unreliable beyond 66 kV because___________?
A. insulation may melt due to higher temperature
B. skin effect dominates on the conductor
C. of corona loss between conductor and sheath material
D. there is a danger of breakdown of insulation due to the presence of voids - Low tension cables are generally used up to___________?
A. 200 V
B. 500 V
C. 700 V
D. 1000 V - High tension cables are generally used up to_____________?
A. 11kV
B. 33kV
C. 66 kV
D. 132 kV - Pressure cables are generally not used beyond__________?
A. 11 kV
B. 33 kV
C. 66 kV
D. 132 kV - In single core cables armouring is not done to________?
A. avoid excessive sheath losses
B. make it flexible
C. either of the above
D. none of the above - In the cables, the location of fault is usually found out by comparing____________?
A. the resistance of the conductor
B. the inductance of conductors
C. the capacitances of insulated conductors
D. all above parameters - Conduit pipes are normally used to protect _______ cables
A. unsheathed cables
B. armoured
C. PVC sheathed cables
D. all of the above - 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° - Cables for 220 kV lines are invariably____________?
A. mica insulated
B. paper insulated
C. compressed oil or compressed gas insulated
D. rubber insulated
E. none of the above - The electrostatic stress in underground cables is_________?
A. same at the conductor and the sheath
B. minimum at the conductor and maximum at the sheath
C. maximum at the conductor and minimum at the sheath
D. zero at the conductor as well as on the sheath
E. none of the above
