Explore topic-wise MCQs in Testing Subject.

This section includes 657 Mcqs, each offering curated multiple-choice questions to sharpen your Testing Subject knowledge and support exam preparation. Choose a topic below to get started.

1.

The capacitances of a 3 phase belted cable are 12.6 Fbetween the three cores bunched together and the lead sheath and 7.4 F between one core and the other two connected to sheath. What will be the charging current drawn by the cable when connected to a 66 kV supply?

A. 100 A
B. 99.3648 A
C. 105.236 A
D. 107.74 A
Answer» E.
2.

In a 3 core cable, the capacitance between two conductors is 3 F. What will be the capacitance per phase?

A. 1.5 F
B. 3 F
C. 6 F
D. 12 F
Answer» D. 12 F
3.

To get a minimum value of stress (g) what should be the ratio of core diameter to sheath diameter?

A. 1 / 2.718
B. 2.178
C. 1 / 3.78
D. 3.78
Answer» B. 2.178