Exercise: External Piping

1. Justify the types and sizes of material for:

i. Water supply pipe in building

ii. Waste water pipe in building

2. Justify the importance of pipes in industrial structure related to environment.

i. Determine the selection of pipe sizes, materials for clean water distribution system and waste water collection.

Exercise: Concrete

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Exercise: Non Metals

Explain the types, characteristic and functions of the following materials used for construction work.

1. Glass
2. Plastic
3. Bitumen and asphalt
4. Paint
5. Composite material
   

Exercise: Metal

1. Describe the iron metals

a) types and uses of iron metals

b) types and uses of galvanised iron pipe

2. Identify the materials based on non iron metals

a) Copper

b) Aluminium

c) Zinc

d) Bronze

e) Brass

3. Justify the steel structure construction

a) Explain the shape and sectioning steel structure use

b) Explain the systematic numbering

c) Explain the methods of installing and jointing at site.

4. Determine the uses of connections

a) use of bolt and nut

b) use of rivet

c) Use of arc & gas welding

d) Explain safety procedure at the work site.

Exercise: Brick

1. Identify and differentiate types of brick and sizes:

• Clay Brick
• Cement Brick
• Cement Block

2. Identify and differentiate uses of cut bricks:

• Define queen closer
• Define king closer
• Define bevelled closer
• Define three quarter bat
• Define half bat
• Describe different parts and sizes of bricks.

3. Explain different parts and sizes of bricks.

a) Determine Header face

b) Determine Stretcher face

c) Determine Frog

d) Determine Arris

4. Explain terms in brick work.

• header and stretcher course
• vertical joint
• Bed joints
• quoin
• stop end
• toothing
• racking

5. Determine the bond in brickwork

• Stretcher bond
• English bond
• Flemish bond.

Exercise: Timber

1. Classify wood base on the following aspect botany, strength, density and hardness.

2. Describe the process of conversion for standard size timber.

3. Describe procedures of wood seasoning, natural and klin drying.

4. Explain causes of wood defects.

5. Determine the impact of wood defects on construction.

6. Describe different methods of wood preservation, sweep, spray, immersion and pressure.

7. Describe advantages and advantages of timber as construction material.

8. Describe types and uses of timber products such as plywood, particleboard,

medium density fiberboard (MDF).

9. Determine the types of solvent and the uses.