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 above

Related Mcqs:

A certain cable has an insulation of relative permittivity 4. If the insulation is replaced by one of relative permittivity 2, the capacitance of the cable will become_____________?
A. one half
B. double
C. four times
D. none of the above
In capacitance grading of cables we use a _______ dielectric?
A. composite
B. porous
C. homogeneous
D. hygroscopic
In capacitance grading a homogeneous dielectric is used
A. Yes
B. No
If a power cable and a communication cable are to run parallel the minimum distance between the two, to avoid interference, should be______________?
A. 2 cm
B. 10 cm
C. 50 cm
D. 400 cm
Which of the following protects a cable against mechanical injury___________?
A. Bedding
B. Sheath
C. Armouring
D. None of the above
In a cable immediately above metallic sheath ______ is provided
A. earthing connection
B. bedding
C. armouring
D. none of the above
In case of three core flexible cable the colour of the neutral is_________?
A. blue
B. black
C. brown
D. none of the above
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 losses
If the length of a cable is doubled, its capacitance____________?
A. becomes one-fourth
B. becomes one-half
C. becomes double
D. remains unchanged
In a cable the voltage stress is maximum at____________?
A. sheath
B. insulator
E. surface of the conductor
D. core of the conductor