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Explain the meaning of each of the following terms: (i) production control; (2 marks) (ii) pre-costing. (2marks)June/July 2020
(i) Production control: Production control refers to the process of managing and coordinating the various activities and resources involved in the production of goods or services. This can include planning and scheduling, quality control, inventory management, and other tasks that are necessary to eRead more
(i) Production control: Production control refers to the process of managing and coordinating the various activities and resources involved in the production of goods or services. This can include planning and scheduling, quality control, inventory management, and other tasks that are necessary to ensure that the production process is efficient and effective.
(ii) Pre-costing: Pre-costing refers to the process of estimating the costs that will be incurred in a proposed production or construction project before it is actually undertaken. This can involve forecasting the cost of materials, labor, equipment, and other resources that will be needed, as well as any other expenses that may be incurred. Pre-costing helps to provide a clear understanding of the potential costs of a project and can help to identify any potential issues or challenges that may arise.
See lessExplain four non-chemical methods of pest control. (8 marks)June/July 2020
Non-chemical methods of pest control are techniques that do not involve the use of pesticides or other chemicals to control pest populations. Some examples of non-chemical pest control methods include: Physical barriers: Physical barriers can be used to prevent pests from entering a building or areaRead more
Non-chemical methods of pest control are techniques that do not involve the use of pesticides or other chemicals to control pest populations. Some examples of non-chemical pest control methods include:
Explain two functions of a ceiling in a building. (4 marks)June/July 2020
A ceiling serves several important functions in a building: Structural support: A ceiling helps to support the weight of the upper floors and roof of the building, transferring the load to the walls and foundation. Thermal insulation: A ceiling helps to keep a building warm in the winter and cool inRead more
A ceiling serves several important functions in a building:
Identify three methods of extinguishing a fire. (3 marks)June/July 2020
There are several methods of extinguishing a fire: Water: Water is often the most effective means of extinguishing a fire, as it cools the fuel and surrounding area, reducing the risk of re-ignition. Foam: Foam is a type of fire suppressant that is effective at smothering fires involving flammable lRead more
There are several methods of extinguishing a fire:
Enumerate three disadvantages of each of the following waste disposal methods: (i) incineration. (2 marks) (ii) recycling. (2 marks)June/July 2020
(i) Incineration: Air pollution: Incineration can release harmful chemicals and particles into the air, which can have negative effects on human health and the environment. High cost: Incineration can be a costly waste disposal method, particularly if the facility must meet strict environmental reguRead more
(i) Incineration:
(ii) Recycling:
Highlight five safety precautions to be taken when using electric energy. Β© marks)June/July 2020
There are several safety precautions that should be taken when using electric energy to ensure that you are protected from electric shock and other hazards: Use caution when working with electrical outlets and wiring. Never touch a live electrical wire with your bare hands, and be sure to use properRead more
There are several safety precautions that should be taken when using electric energy to ensure that you are protected from electric shock and other hazards:
Differentiate between direct and indirect cold water systems. (4 marks)June/July 2020
A direct cold water system is a plumbing system in which cold water is delivered directly to the fixtures, such as sinks, showers, and toilets, from the main water supply line. This is the most common type of cold water system and is typically found in residential and small commercial buildings. AnRead more
A direct cold water system is a plumbing system in which cold water is delivered directly to the fixtures, such as sinks, showers, and toilets, from the main water supply line. This is the most common type of cold water system and is typically found in residential and small commercial buildings.
An indirect cold water system is a plumbing system in which the cold water is delivered to a storage tank or cistern before being distributed to the fixtures. This type of system is often used in larger commercial or industrial buildings where there is a high demand for cold water. The storage tank allows the system to have a reserve of cold water on hand to meet the demand.
See lessExplain the water purification process for distribution to the consumer. (8 marks)June/July 2020
The water purification process for distribution to consumers typically involves several steps to ensure that the water is safe and clean for human consumption. These steps may include: Coagulation and flocculation: In this step, chemicals are added to the water to cause small particles to clump togeRead more
The water purification process for distribution to consumers typically involves several steps to ensure that the water is safe and clean for human consumption. These steps may include:
Enumerate five disadvantages of using carpets as floor finishes. (5 marks)June/July 2020
Cost: Carpets can be more expensive to install and maintain than other flooring options, such as hardwood or tile. Staining: Carpets are prone to staining and can be difficult to clean, especially if they are made of a porous material. Allergens: Carpets can trap dust, dander, and other allergens, wRead more
State four commercial ways of treating hard water in catering establishments.(2 marks)June/July 2020
Water softeners: These devices use ion exchange to remove minerals like calcium and magnesium from the water, making it softer and more suitable for use in cooking and cleaning. Reverse osmosis systems: Reverse osmosis systems use a membrane to filter out dissolved minerals from the water, effectiveRead more