Electrical L2 8202 Mixed Mock

What is the first action to take after discovering an accidental fire on a construction site?

• Ring the HSE.

• Raise the alarm.

• Smother the flames.

• Find an extinguisher.

Which instrument is required to carry out Safe Isolation?

• Loop Impedance Tester.

• Low Resistance Ohmmeter.

• Approved Voltage Indicator.

• Insulation Resistance Tester.

Which substance would require specialist licenced removal if found during a building demolition?

• Cement.

• Gypsum.

• Plywood.

• Asbestos.

What unit is equivalent to V x 10^-3?

• MV

• kV

• mV

• μV

Which has the lowest resistivity?

• Lead.

• Steel.

• Copper.

• Aluminium.

What would be the nominal voltage of a battery made up of twenty-five 1.2 V cells when connected in series?

• 1.2 V

• 12 V

• 30 V

• 48 V

What must as a minimum be provided at the origin of all single-phase installations?

• Single-pole main switch

• Double-pole main switch.

• Triple-pole main switch.

• Quadruple-pole main switch

What is the maximum transmission voltage used on the UK super-grid?

• 132 000 V.

• 275 000 V.

• 400 000 V.

• 660 000 V.

Which type of circuit would be most likely to contain an intermediate switch?

• Shower

• Lighting

• Cooker

• Alarm

What is the minimum number of bends required to be made to produce a bubble set in straight conduit?

• 1

• 2

• 3

• 4