In capacitance grading a homogeneous dielectric is used
In capacitance grading a homogeneous dielectric is used
A. Yes
B. No
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Capacitance grading of cable implies__________?
Capacitance grading of cable implies__________?A. use of dielectrics of different permeabilities
B. grading according to capacitance of cables per km length
C. cables using single dielectric in different concentrations
D. capacitance required to be introduced at different lengths to counter the effect of inductance
E. none of the aboveThe surge resistance of cable is__________?
The surge resistance of cable is__________?A. 5 ohms
B. 20 ohms
C. 50 ohms
D. 100 ohmsThe electrostatic stress in underground cables is_________?
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 aboveIs a cable is to be designed for use on 1000 kV, which insulation would you prefer ____________?
Is a cable is to be designed for use on 1000 kV, which insulation would you prefer ____________?A. Polyvinyle chloride
B. Vulcanised rubber
C. Impregnated paper
D. Compressed SFe gas
E. none of the aboveRubber is most commonly used insulation in cables
Rubber is most commonly used insulation in cablesA. Yes
B. NoIn the cables, the location of fault is usually found out by comparing____________?
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