A. one half
B. double
C. four times
D. none of the above
A. 11 kV
B. 33 kV
C. 66 kV
D. 132 kV
Pressure cables are generally not used beyond__________? Read More »
Cables A. between 2 and 3
B. between 5 and 6
C. between 8 and 10
D. between 12 and 14
The relative permittivity of rubber is____________? Read More »
Cables A. steel tape
B. galvanised steel wire
C. any of the above
D. none of the above
The material for armouring on cable is usually__________? Read More »
Cables A. unsheathed cables
B. armoured
C. PVC sheathed cables
D. all of the above
Conduit pipes are normally used to protect _______ cables Read More »
Cables A. polyvinyl chloride
B. post varnish conductor
C. pressed and varnished cloth
D. positive voltage conductor
E. none of the above
PVC stands for____________? Read More »
Cables A. composite
B. porous
C. homogeneous
D. hygroscopic
In capacitance grading of cables we use a _______ dielectric? Read More »
Cables A. 5 ohms
B. 20 ohms
C. 50 ohms
D. 100 ohms
The surge resistance of cable is__________? Read More »
Cables A. armour
B. bedding
C. conductor surface
D. lead sheath
The minimum dielectric stress in a cable is at_____________? Read More »
Cables A. the resistance of the conductor
B. the inductance of conductors
C. the capacitances of insulated conductors
D. all above parameters
In the cables, the location of fault is usually found out by comparing____________? Read More »
Cables