Empire tape is__________?

Related Mcqs:

1. The surge resistance of cable is__________?

   A. 5 ohms B. 20 ohms C. 50 ohms D. 100 ohms...

2. The insulating material for a cable should have__________?

   A. low cost B. high dielectric strength C. high mechanical strength D. all of the above...

3. In single core cables armouring is not done to________?

   A. avoid excessive sheath losses B. make it flexible C. either of the above D. none of the above...

4. Cables, generally used beyond 66 kV are___________?

   A. oil filled B. S.L. type C. belted D. armoured...

5. In capacitance grading of cables we use a _______ dielectric?

   A. composite B. porous C. homogeneous D. hygroscopic...

6. Solid type cables are considered unreliable beyond 66 kV because___________?

   A. insulation may melt due to higher temperature B. skin effect dominates on the conductor C. of corona loss between conductor and sheath material D. there is a danger of breakdown of insulation due to the presence of voids...

7. If the length of a cable is doubled, its capacitance____________?

   A. becomes one-fourth B. becomes one-half C. becomes double D. remains unchanged...

8. The insulating material should have____________?

   A. low permittivity B. high resistivity C. high dielectric strength D. all of the above...

9. The thickness of metallic shielding on cables is usually_______________?

   A. 0.04 mm B. 0.2 to 0.4 mm E. 3 to 5 mm D. 40 to 60 mm...

10. In a cable the voltage stress is maximum at____________?

    A. sheath B. insulator E. surface of the conductor D. core of the conductor...