Ramadan Special PLS-CADD Quiz – OHTL Design

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Ramadan Special Quiz – OHTL Design

🌙 Welcome to Ramadan Special Quiz

Conducted by OHTL Design
Topic: PLS-CADD & Transmission Line Design


1. PLS-CADD software is primarily used for:

Overhead transmission line design
Electrical circuit simulation
Substation protection design

2. PLS-CADD was developed by:

Power Line Systems
Siemens
ABB

3. Tower used when line changes direction:

Angle tower
Tangent tower
Suspension tower

4. Tower used at the end of a line:

Dead-end tower
Tangent tower
Angle tower

5. The lowest point of a conductor between towers is called:

Sag
Span
Clearance

6. Maximum sag occurs at:

Highest temperature
Lowest temperature
Zero wind condition

7. Horizontal distance between two towers is called:

Span
Sag
Clearance

8. Conductor sag-tension calculations require:

Conductor properties, weather, and span length
Tower paint and color
Soil type only

9. Conductor curve between towers is called:

Catenary
Parabola
Straight line

10. Tangent towers carry mainly:

Vertical load
Horizontal load
Torsion load

11. Angle towers resist primarily:

Horizontal line deviation loads
Vertical loads
Thermal expansion only

12. Dead-end towers are designed for:

Maximum longitudinal tension
Minimal conductor sag
Suspension support only

13. LiDAR survey is used in PLS-CADD to:

Model terrain and vegetation
Calculate conductor resistance
Measure voltage drop

14. Insulators attach conductor to:

Tower crossarms
Earth ground
Shield wire only

15. Shield wires protect line from:

Lightning
Overloading
Tower corrosion

16. Ruling span is:

Equivalent span for sag-tension calculations
Longest span only
Shortest span only

17. Conductor sag decreases when:

Temperature decreases
Temperature increases
Ice accumulates

18. Minimum phase-to-phase clearance prevents:

Electrical flashover
Tower collapse
Sag increase

19. PLS-CADD can import terrain from:

LiDAR, survey, or GIS
Excel only
JPG images only

20. Conductor tension is affected by:

Weight, span, and temperature
Tower paint
Insulator color

21. Wind load on conductors depends on:

Wind speed, conductor diameter, air density
Voltage only
Span length only

22. Ice load on conductors increases:

Sag and tension
Conductor color
Tower height

23. Clearance analysis ensures safety from:

Ground, vegetation, and structures
Conductor corrosion
Tower vibration

24. Terminal towers are placed at:

Line start and end points
Mid-span
Angle only

25. PLS-CADD supports which coordinate system?

Geographic and local
Only local
Only global

26. Line rating calculations depend on:

Conductor type, temperature, wind
Tower paint
LiDAR resolution

27. PLS-CADD can generate:

Plan/profile drawings, material reports, and stringing charts
Only plan drawings
Only sag reports

28. Conductor bundles reduce:

Corona loss and reactance
Tower load
LiDAR data

29. Suspension towers primarily carry:

Vertical loads
Horizontal loads
Torsion loads

30. Ruling span simplifies:

Sag-tension calculations
Tower foundation design
Insulator rating

31. Tower spotting is:

Determining tower locations along route
Tower painting
Cable bending

32. Conductor attachment point is:

Suspension point on insulator
Tower foundation
Shield wire only

33. Clearance to vegetation ensures:

Safety and reliability
Tower weight
Conductor color

34. Weather loading cases include:

Wind, ice, and temperature
Only ice
Only wind

35. Structural analysis checks:

Tower strength under loads
Conductor color
Sag only

36. Stringing charts show:

Sag vs temperature
Tower color
LiDAR spacing

37. Span length affects:

Conductor sag and tension
Tower paint
LiDAR resolution

38. Conductor thermal expansion occurs due to:

Temperature change
Tower height
Angle deviation

39. PLS-CADD can optimize:

Tower spotting and sag
Conductor color
LiDAR type

40. Clearance under conductors is critical for:

Safety of people and vehicles
Tower paint
Insulator color

41. LiDAR data helps determine:

Terrain profile and obstacles
Tower paint
Conductor color

42. Conductor bundle increases:

Line capacity and reduces corona loss
Tower height
Sag only

43. Minimum conductor clearance is defined by:

Voltage level and standards
Tower weight
Paint type

44. PLS-CADD integrates with:

GIS and CAD software
Paint software only
Weather software only

45. Towers crossing rivers usually require:

Special or tall towers
Tangent towers
Dead-end towers

46. Tangent towers carry:

Mainly vertical load
Horizontal load
Thermal load

47. PLS-CADD generates:

Reports, drawings, stringing charts
Only LiDAR files
Only Excel sheets

48. Conductor attachment to tower occurs via:

Insulator suspension
Foundation bolts
Shield wire only

49. Weather loading does NOT include:

Ice, wind, temperature
Soil type
Lightning

50. Conductor tension increases when:

Temperature decreases
Temperature increases
Ice melts


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