Unit 203 Revision: Installation Technology Question Bank No.1

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A BS3036 protective device is a

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A cable has resistance of 0.12 ohms and a current of 30A. The volt drop due to resistance is

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A circuit supplying kitchen appliances would be identified as

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A circuit to supply hot water would be identified as

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A common method of providing protection by fault protection

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A method of protection against electric shock is provided in a cable by

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A work plan for new installations provides:

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A requirement for safety that all installations should have is

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A short circuit occurs

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A single pole switch breaks

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A typical system application for fibre optic cable is:

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A voltage of 400kV represents the following voltage

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Aluminium may be used as a conductor in preference to copper as it is

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Aluminium spiral fixings are used to fix items on

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An Earthing system that uses a separate conductor as a return path for any fault current is called

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An example of overload is

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An RCD is a device used to protect circuits against

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Automatic disconnection of supply and special locations are found in

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Best location for a solar panel

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BS 3036 Fuses

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Circuit breakers are frequently installed in preference to fuses because

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Circuit breakers use two forms of operation

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Define the term for a Circuit Protective Conductor (CPC)

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Determine the size of conduit required for a run of 2.7m, if you are installing 3 x 1.5mm² and 6 x 6mm² conductors (all stranded).

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Determine the size of conduit required for a run of 2.9m, if you are installing 9 x 2.5mm² and 3 x 6mm² conductors (all stranded).

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Equipment identified in BS 7671 by an EN number must comply with the relevant requirements of:

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ES lamp holders, the outer casing must be connected to

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Excess current, flowing in a circuit which is electrically sound, is defined as

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From BS 7671 the disconnection time for circuits supplying equipment and circuits up to 32A is :

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What does Ze represent from the following formula Zs = Ze + (R1 + R2)?

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What does R1 represent from the following formula Zs = Ze + (R1 + R2)?

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From the On-site-Guide the maximum external earth loop impedance for a TN-C-S system is?

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From the On-site-Guide the maximum external earth loop impedance for a TN-S system is?

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Holes between joists must be of a minimum distance from top or bottom fixing surface of

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Identify the distribution voltage for a large story building with a private transformer

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IET Wiring regulations give directives on electrical installations in hazardous environments, however the statutory governing these situations are covered in the:

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IET Wiring regulations apply particularly to:

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IET Wiring regulations recommend inspection of temporary construction site installation every:

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If a 20mm steel conduit was to be installed horizontally what would be the maximum spacing of supports

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If a 30A fuse has a tripping characteristic of 5 x In, what would be the instantaneous tripping current?

C&G 2365 Level 2 Unit 203 Revision OB

Unit 203 Revision: Installation Technology Question Bank No.1

A BS3036 protective device is a

A cable has resistance of 0.12 ohms and a current of 30A. The volt drop due to resistance is

A circuit supplying kitchen appliances would be identified as

A circuit to supply hot water would be identified as

A common method of providing protection by fault protection

A method of protection against electric shock is provided in a cable by

A work plan for new installations provides:

A requirement for safety that all installations should have is

A short circuit occurs

A single pole switch breaks

A typical system application for fibre optic cable is:

A voltage of 400kV represents the following voltage

Aluminium may be used as a conductor in preference to copper as it is

Aluminium spiral fixings are used to fix items on

An Earthing system that uses a separate conductor as a return path for any fault current is called

An example of overload is

An RCD is a device used to protect circuits against

Automatic disconnection of supply and special locations are found in

Best location for a solar panel

BS 3036 Fuses