# GSM MAINTENANCE AND REPAIRS

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GSM MAINTENANCE AND REPAIRS

SS 2 THIRD TERM
 WEEK TOPIC / CONTENT ACTIVITIES 1 -2 GSM phone safety practices GSM phone care and maintenance procedures Identify and emphasizes GSM phone care and maintenance procedure 3 Trouble shooting and repair (I) Trouble shooting hardware faults of GSM phone e.g. antenna, service port, LCD and power pack Guides students to troubleshoot hardware faults of GSM phones 4 Trouble shooting and repair (II) Trouble shooting hardware faults of GSM phone e.g. key pad switch, charging system, mouth piece (micro phone) and earpiece (speaker) Identify the faulty GSM phones and repair 5 Trouble shooting and repair (III) Trouble shooting hardware component e.g. ringer, sim terminals, switch ports etc Repair faulty hardware components Identify hardware of GSM phones and repairs faulty hardware components 6 Trouble shooting and repair (IV) Trouble shooting Contact service provider Phone lock code Guide student to trouble shoots software faults of GSM phones 7 Trouble shooting and repair (V) Trouble shooting Dual SIM SIM card rejected Virus attack Participate in the trouble shooting process 8 Trouble shooting and repair (VI) Trouble shooting fix and repair software fault Rectifies software faults Fix and repair software faults 9 - 10 Practices and revisions Participates in the practical 11- 12 Revision Revision 13 Examination Examination

REFRIGERATION AND AIR CONDITIONING

SS 2 FIRST TERM
 WEEK TOPIC / CONTENT ACTIVITIES 1 Energy Meaning of internal energy Teacher explain the meaning of internal energy while student participates actively in the discussion. 2 Energy Enthalpy of fluid substances, its pressure, volume and temperature of internal energy Teacher state the properties of fluid substances while students participates 3 Energy The P-h diagram of refrigerants The teacher plot and explain enthalpy and P-h chart for the students 4 Power Meaning of power The teacher explain meaning of power and state its unit 5 Power Calculation of power used by compressor The teacher illustrates how power consumed by a compressor can be calculated from the formula i.e (P) = mass flow rate enthalpy (h) outlet enthalpy intet 6 Power The unit of power and heat e.g. watts, killo watts joules, kilojoules etc Students to calculate power consumed by a compressor. 7 International practical temperature and pressure values The boiling point of oxygen\ 18297 C, triple point of water –0.01 C, boiling point of water – 100 C, boiling point of silver – 960.80 C, boiling point of gold – 1063 C The teacher explain the need for standardized temperature and pressure values of silver, gold, water etc. while the students participate actively in the discussion 8 International practical temperature and pressure values Uses of suction and high pressure gauges The teacher demonstrates how suction and high pressure gauges are used to determine performances of refrigerants 9 Air conditioning process Psychometric properties of air The teacher explains psychometric properties of air i.e heating, cooling etc, while the students take note of the correct sequence 10 Air conditioning process The process of air conditioning e.g heating , cooling etc The teacher explains psychometric properties of air i.e heating, cooling etc, while the students take note of the correct sequence 11 Air conditioning process Latent and sensible heat, saturated and superheated vapour The teacher explain the latent heat, saturated air etc while the students read properties diagram 12 Air conditioning process Psychometric properties diagram The teacher illustrate the reading of a property diagram to the student 13 – 14 Revision and exams Revision and exams

REFRIGERATION AND AIR CONDITIONING

SS 2 SECOND TERM
 WEEK TOPIC / CONTENT ACTIVITIES 1 Refrigerant flow controls Teacher list and explain different types of flow controls for the students to identify 2 Refrigerant flow controls Construction of refrigerant flow control e.g. thermostatic Ex valve automatic Ex valve capillary tube The teacher describe the construction of refrigerant flow controls while students note the constructional details 3 Refrigerant flow controls Construction of refrigerant flow control e.g manually operated valve low side float valve high side float valve. The teacher describe the construction of refrigerant flow controls while students note the constructional details 4 Refrigerant flow controls Operating / working principles of refrigerant flow control Explain the operation of the refrigerant flow controls while the students notes the sequence 5 Refrigerant flow controls Installation and service procedures. The teacher demonstrate the installation and the services procedures 6 Evaporators and condenser Design and construction of evaporators and condensers. The teacher demonstrate the design and construction of evaporators 7 Evaporators and condenser Heat load estimation of evaporators and condensers The teacher demonstrates the design and construction of evaporators 8 Evaporators and condenser Estimation of diameter and length of refrigeration piping The teacher explain the estimation of diameter and length of refrigeration piping to the students to note 9 Evaporators and condenser Servicing procedure for evaporators and condensers The teacher demonstrate how to service evaporators and condensers with the appropriate tools and equipment 10 Piping, ducting and trucking Piping condenser and evaporators The teacher explain the concept piping, ducting and trucking and their advantages listing tools for the work 11 – 12 Revision and exams Revision and exams

REFRIGERATION AND AIR CONDITIONING

SS 2 THIRD TERM
 WEEK TOPIC / CONTENT ACTIVITIES 1 Piping, ducting and trucking Piping of condenser and evaporators The teacher demonstrate piping of refrigerators and air conditioners 2 Piping, ducting and trucking Ducting or trucking installation of the air conditioner The teacher demonstrate trucking and ducting in air conditioner installation 3 Piping, ducting and trucking Piping, ducting and trucking tools Teacher list the tools for piping, ducting and trucking and their uses for students 4 Insulation of air condition and refrigeration The need for insulation of refrigeration and air conditioning systems. Teacher explains the need for installation of refrigeration and air conditioning system 5 Insulation of air condition and refrigeration Types and function of insulating materials e.g. glass, rock, slag, ceramic, wool cork etc. The teacher identifies insulating materials for the selection of the students 6 Installation of air condition and refrigeration Properties of insulating materials. The teacher states the different insulating materials for students to identify 7 Insulation of air condition and refrigeration Procedures for insulating refrigeration and air conditioning systems. The teacher demonstrate the procedures for installation of refrigeration and air conditioning systems for the students to practicalize on an existing system unit 8 Fault diagnosis and troubleshooting Different method of diagnosing fault systematic trial and error observation The teacher to explain the different methods while students participate actively 9 Fault diagnosis and troubleshooting Common faults on refrigeration and air conditioning e.g leakage dead system, dead compressor, ineffective cooling, electric shock etc. Teacher demonstrate techniques for carrying out repairs in the system for students to effect repairs on a system 10 Fault diagnosis and troubleshooting Techniques of effecting repairs in refrigeration and air conditioner unit. Teacher demonstrate techniques in fault finding in a unit (trouble shooting) 11 Fault diagnosis and troubleshooting Techniques for trouble shooting in a given system. Teacher demonstrate techniques in fault finding in a unit (trouble shooting) 12 – 13 Revision and examination Revision and examination

ANIMAL HUSBANDERY

SS 2 FIRST TERM
 WEEK TOPIC CONTENT ACTIVITIES 1 Processing of animal products i. Processing of eggs ii. Processing of meat Teacher demonstrates processing of animal products Students are asked to make a collection of processed animal products 2 “ i. Processing of meat ii. Processing of hide and skin iii. Processing of wool Teacher demonstrates processing of animal products Students are asked to make a collection of processed animal products 3 Marketing of animal products i. Definition of marketing ii. Marketing channels iii. Advantages and disadvantages of marketing channels Teacher illustrates and demonstrates marketing channels Students to participate in marketing of animal products from school farm. 4 Animal nutrition and classes of animal feed i. Definition of animal nutrition ii. importance of animal nutrition iii. Classification of farm animal feeds Teacher displays charts and pictures Students areasked to make collection of common animal feeds 5 Sources of animal feed stuff i. Carbohydrates and their sources ii. Protein and their sources iii. Fats and oils and their sources. Students are asked to make collection of feed stuff and classify them 6 Sources of animal feed stuff i. Vitamins and their sources ii. Minerals and their sources iii. Water and their sources Teacher displays charts and pictures of various sources of feed stuff Live specimens to be displayed by the teacher 7 Values and functions of various animal feed stuff i. Supply of energy ii. Help in milk production iii. Help in tissue formation iv. Repair of worn out tissues v. Help in temperature regulation. Teacher leads discussion in the classroom Students participates in the classroom discussion 8 Values and function of various animal feed stuff i. Insulates the body ii. For growth and development iii. Aid resistance to diseases iv. Used in acid base balance v. Essential for digestion of food. - Teacher leads classroom discussion and ensures that students participate actively in the class 9 Practical on animal products processing i. Meat processing ii. Milk processing iii. Egg processing vi. Hide and skin processing i. Teacher demonstrates meat processing stages ii. Teacher organizes field trip to abbattoir iii. Teacher provides videos of animal product processing for students to watch in the laboratory. 10 Practical on animal nutrition i. Identification and collection of animal feed stuff e.g. cereals, tubers, roughages, domestic waste ii. Plant and animal sources of protein, fats and oils, vitamins etc iii. Sources of water e.g. feeding sources, drinking sources and metabolic water. Students to produce their individual feed stuff album Teacher displays charts and pictures of various sources of feed stuff 11 Practical on animal nutrition i. Preparation of hay, silage etc ii. Preparation of poultry feeds iii. Milling of animal feeds Teacher demonstrates Preparation of hay, silage etc Students work in groups to produce hay and silage 12 Revision Revision Revision 13 & 14 Examination Examination Examination

ANIMAL HUSBANDERY

SS 2 SECOND TERM

 WEEK TOPIC CONTENT ACTIVITIES 1 Livestock rations i. Definition of animal ration ii. Types of rations e.g. balanced ration, maintenance ration and production ration Teacher leads the classroom discussion and ensures that students participate actively 2 “ i. Distinguish between the various rations ii. Identify the nutrients that constitute the various types of ration Teacher leads the classroom discussion and ensures that students participate actively 3 Formulation of livestock ration i. Methods of ration formulation ii. Identification of ingredients for ration formulation e.g. blood meal, fish meal, cotton seed meal, bone meal, oyster shell, ground nut cake, maize grain, palm kernel cake etc. iii. Factors to consider in formulation of animal ration. i). Students to make collection of various feed ingrefients. ii). Students to work in group to formulate animal ratio. 4 Malnutrition in livestock production i. Definition of malnutrition ii. Symptoms of malnutrition iii. Causes of malnutrition iv. Effects of malnutrition on livestock production i. The teacher provides malnourished farm animals for students to watch. 5 Practical on formulation of livestock ration i. Formulation of poultry feeds ii. Preparation of hay, silage and husk iii. Build an album of various ingredients used for formulation of animal feeds. i. The teacher guides the students on the preparation of hay, silage, husk etc 6 Practical on formulation of livestock ration i. Formulation of ration for pigs, rabbit, sheep and goats ii. Build an album of different feed stuff used for formulation of feeds for pigs, rabbit, sheep and goats. The teacher groups the students into projrct groups to formulate rations for different classes of livestock 7 Pasture management practices i. Meaning of pasture ii. Meaning of forage crop iii. Distinguish between pasture and forage crops The teacher guides classroom discussion and ensure that students participate actively 8 “ i. Types of pasture - natural pasture - artificial pasture “ 9 Characteristics of pasture grasses legumes Examples of pasture grasses e.g. guinea grass, elephant grass, bahama grass, northern gamba, giant star grass, spear grass. The teacher exhibits the different pasture grasses for students to observe and identify them 10 Characteristics of pasture legumes Examples of pasture legumes e.g. centro, tropical kudzu, stylo, calapo etc. “ 11 Practical on pasture grasses and legumes i. Identification of common pasture grasses and their botanical names ii. Identification of common pasture legumes and their botanical names i. The students are asked to produce their individual pasture grasses and legume albums 12 & 13 Revision Revision Revision 13 Examination Examination Examination