waecE-LEARNING
Building Construction Paper 1, May/June. 2012  
Questions: 1 2 3 4 5 Main
General Comments
Strength
Weakness/Remedies
Question 5

  • (a)State the colour code for each of the following electrical wires
  • (i)neutral
  • (ii)live
  • (iii)earth
    • Sketch a section through a bath tub and label the following parts:
    • overflow;
    • trap;
    • waste pipe.
    • (i) List three domestic sanitary fittings.
    • State one use of each of the sanitary fittings listed in (c) (i)
    _____________________________________________________________________________________________________
    Observation
     

    Most candidates who attempted this question were able to:
    state the colour code for the given electrical wires;
    sketch the section through a bath tub;
    label the given parts of a bath tub;
    list domestic sanitary fittings;
    state the use of each of the listed sanitary fittings.
    However, few of them failed to:
    sketch the section through a bath tub;
    state the use of each of the listed sanitary fittings.
    The expected response to question 5 is as given below:

    1. (a)       Colour codes
    2. Neutral - black or blue
    3. Live - Red or brown
    4. Earth - green or yellow/combined   green and yellow.

    (b)


    buildingmq5
    1. (i) and (ii) Listing of three domestic sanitary fittings

    Listing

    Uses

    1.

    Water closet

    Used to dispose human excreta.

    2.

    Bidet

    Used by females to dispose urine/cleaning

    3.

    Bath tub

    Provides for washing/cleaning the body.

    4.

    Hand basin

    Provides for washing/cleansing the hands.

    5.

    Urinal

    Provides for disposing urine (males).

    6.

    Shower tray

    Provides for disposal of water/foul water

    7.

    Laundry sink

    provides for washing clothes.

    8.

    Kitchen sink

    Provides for disposal of water/fowl water.



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