8202 Mar 2022 Past Paper

Which Regulations are non-statutory?

• The Electricity at Work Regulations.

• Requirements for Electrical Installations BS 7671.

• Control of Substances Hazardous to Health (COSHH) Regulations.

• Control of Noise at Work Regulations.

Which may become a land pollutant if not contained safely?

• Mercury.

• Argon.

• Neon.

• Nitrogen.

Which type of fire extinguisher would have a red band?

• CO₂.

• Foam.

• Water.

• Powder.

Who is responsible for organising construction work on a building site?

• Site Manager.

• Clerk of Works.

• Quality Inspector.

• Principle Architect.

What colour sign would tell you a safety helmet must be worn on a construction site?

• Yellow and black.

• Green and white.

• Red and black.

• Blue and white.

What unit is equivalent to A x 10⁻³?

• nA.

• µA.

• mA.

• kA.

What is the diameter of a conductor with a cross sectional area of 6 mm²?

• 1.27 mm.

• 1.38 mm.

• 2.24 mm.

• 2.76 mm.

Which is the correct transposition of X_L = 2πfL?

• f = 2πL / X_L

• f = X_L / 2πL

• f = 2πX_L / L

• f = πL / 2X_L

What is measured in m²?

• Area.

• Length.

• Width.

• Volume.

How many degrees does a generator rotor rotate per cycle?

• 45°.

• 90°.

• 180°.

• 360°.