The field density is increased at:

a$)$ The edges of large radii

b$)$ The curvilinear regions

c$)$ The cable outer sheath

d$)$ All of the above

Which of the following statement about the screening is$/$ are not true

a$)$ Screening in cable helps in decreasing the losses across the insulators.

b$)$ Extending the screen in cable termination can decrease the field enhancement factor.

c$)$ Screening makes the field radial across the insulator.

d$)$ All of the above.

e$)$ None of the above.

Which of the following statement about the gas Sf$6$ is$/$ are true,

a$)$ The breakdown is mainly governed by the attachment process.

b$)$ The gas is easily ionized by collision.

c$)$ The gas molecules can attract the free electron to form a massive negative ion.

d$)$ a and b

e$)$ a and c

f$)$ b and c

g$)$ All of the above

h$)$ None of the above

The discharge current in the $33$ kV electrical cable is $5A,$ and the loss angle is $120.$ The power loss in the cable in mille Watt is$,$

a$.5\mathrm{.}76$

b$.161\mathrm{.}4$

c$.165\mathrm{.}0$

d$.8\mathrm{.}63$

e$.$ None