Electrical Engineering MCQs on Power Transmission Part 43
Contents
- 1 The metallic sheath may be made of lead or lead alloy or of aluminum.
- 2 The insulating material should possess
- 3 If a power cable and a communication cable are to run parallel, in order to avoid interference the minimum distance between them should be
- 4 If cable having homogeneous insulation has a maximum stress of 10 kV/mm, then the dielectric strength of insulation should be
- 5 The material for armoring on cable is generally
The metallic sheath may be made of lead or lead alloy or of aluminum.
The metallic sheath may be made of lead or lead alloy or of aluminum.
- FALSE
- TRUE
Correct answer: 1. FALSE
The insulating material should possess
The insulating material should possess
- High dielectric strength
- High resistivity
- Low permittivity
- All of these
Correct answer: 4. All of these
If a power cable and a communication cable are to run parallel, in order to avoid interference the minimum distance between them should be
If a power cable and a communication cable are to run parallel, in order to avoid interference the minimum distance between them should be
- 10 cm
- 100 cm
- 2 cm
- 50 cm
Correct answer: 4. 50 cm
If cable having homogeneous insulation has a maximum stress of 10 kV/mm, then the dielectric strength of insulation should be
If cable having homogeneous insulation has a maximum stress of 10 kV/mm, then the dielectric strength of insulation should be
- 10 kV/mm
- 15 kV/mm
- 30 kV/mm
- 5 kV/mm
Correct answer: 1. 10 kV/mm
The material for armoring on cable is generally
The material for armoring on cable is generally
- Galvanized steel wire
- Steel tape
- Any of the above
- None of these
Correct answer: 3. Any of the above