Lightning Protection System

What is the topic covered in Week 1 of the programme?

• Sanitary System

• Refuse Disposal System

• Water Supply & Plumbing Installation

• Introduction to building services system

Which type of lightning protection system uses Franklin rods as air terminals?

• Conventional Lightning Protection Systems

• Charge Transfer Systems (CTS)

• Unconventional Lightning Protection Systems

• Early Streamer Emission (ESE) Air Terminals

What is the main purpose of an external lightning protection system?

• To prevent dangerous sparking within the structure

• To intercept direct lightning flashes to the structure

• To reduce the likelihood of a lightning strike occurring

• To create a large ionization field around the protected area

Which method is suitable for positioning air terminations on simple-shaped buildings?

• Rolling Sphere Method

• Mesh Method

• Charge Transfer Systems (CTS)

• Protection Angle Method

What is the primary role of a lightning rod?

• To enhance the conductive ability of the surrounding air

• To create a protective zone around the building

• To discharge the cloud over a longer length of time

• To attract lightning strikes

Which standard provides guidelines for lightning protection systems?

• MS IEC 62305-1: 2007

• MS IEC 62305-2: 2007

• MS IEC 62305-3: 2007

• MS IEC 62305-4: 2007

What is the purpose of equipotential bonding in an internal lightning protection system?

• To intercept direct lightning flashes to the structure

• To reduce the risk of equipment damage and personal injury

• To create a large ionization field around the protected area

• To prevent dangerous sparking within the structure

Which type of earth electrode arrangement is known as Type 'A'?

• Ring conductor external to the structure

• Meshed earth electrodes

• Foundation earth electrode

• Horizontal earth electrodes connected to each down-conductor

What is the recommended earthing resistance for an earth-termination system?

• Below 10 ohms

• Below 5 ohms

• Between 10-15 ohms

• Around 20 ohms

What is the main and most effective measure for protection of structures against physical damage according to MS IEC 62305-3: 2007?

• Lightning Protection System (LPS)

• Grounding System

• Internal Lightning Protection System

• Solar Energy System