Aux 1 Unit 16 Q3

1 / 8

What type of enclosure should the light fitting in a battery locker have?

C) A wooden enclosure for insulation

B) A sealed, gas-tight enclosure to prevent the entry of hydrogen gas

D) A glass enclosure without sealing

A) An open enclosure to allow air circulation

2 / 8

Which of the following is a key requirement for an internal light fitting in a battery locker?

D) The light fitting should be non-sealed

A) The light fitting should be incandescent

C) The light fitting should be positioned at the floor level

B) The light fitting must be explosion-proof and designed to prevent any sparks from escaping

3 / 8

Why must the light fitting in a battery locker have a sealed, gas-tight enclosure?

D) To increase the light fitting's temperature

B) To prevent hydrogen gas from entering the fitting, where it could potentially be ignited by electrical components

C) To reduce the size of the light fitting

A) To improve the light's efficiency

4 / 8

Why is it necessary for the light fitting in a battery locker to be explosion-proof?

D) To allow the light to be more energy-efficient

A) To increase the brightness of the light

C) To reduce the cost of the light fitting

B) To prevent the risk of ignition of flammable gases such as hydrogen that can accumulate in the battery locker

5 / 8

Why might an automatic shutoff feature be necessary for light fittings in battery lockers?

A) To save energy

C) To reduce the brightness of the light

B) To prevent the light fitting from being used inappropriately or accidentally creating a spark during maintenance or tampering

D) To make the light fitting less expensive

6 / 8

What is a safety feature that should be included in the light fitting within a battery locker?

C) A motion sensor

D) A decorative cover

B) An automatic shutoff if the fitting is opened or tampered with

A) A dimmer switch

7 / 8

Why is it important that the light fitting in a battery locker is made from non-sparking materials?

B) To reduce the chance of accidental sparks, which could ignite hydrogen gas in the battery locker

D) To make the light more durable

A) To make the light fitting more lightweight

C) To allow for easier installation

8 / 8

Which material is most suitable for the construction of the light fitting in a battery locker?

C) Plastic

A) Aluminum

D) Non-sparking materials like brass or coated metals

B) Steel

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