Engineering Mechanics

Welding Technology · Level 6  ·  8 Chapters

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What Engineering Mechanics covers

In this unit, you will be able to confidently design and select various mechanical drives and components, such as belt, rope, chain drives, toothed gears, rotary compressors, fans, and vanes, all tailored precisely to real-world job requirements. You will develop practical skills and knowledge that enable you to perform effectively in both simulated and actual work environments, while compiling strong evidence of your expertise through reports and portfolios. By the end, you’ll be ready to tackle engineering challenges with accuracy, professionalism, and confidence.

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Careers after Engineering Mechanics

Designing and maintaining power-transmission systems is at the heart of Kenya’s growing manufacturing, agro-processing, and construction sectors. The mechanics skills you master in this unit open doors to both salaried positions and your own workshop, letting you turn ideas into machines that keep factories running, farms thriving, and towns building.

  • Fabrication workshops in industrial parks around Nairobi and Kiambu - you design belt drives for conveyor systems that move raw coffee beans, sugarcane, or textile fibres, charging clients per project or per hour for engineering drawings and on-site installation.
  • Agricultural equipment service centres in Eldoret and Nakuru - you design rope drives for grain elevators and irrigation winches, earning income through design contracts and maintenance fees from large farms.
  • Heavy-equipment repair shops in Mombasa’s port area - you design and select chain drives for cargo handling gear on ships and dockside cranes, billing owners for custom-fabricated chains and the engineering reports that accompany them.
  • Gear-manufacturing units in Thika and Machakos - you create detailed toothed-gear designs and select appropriate gear sizes for automotive gearboxes or mining conveyors, receiving royalties or piece-rate payments for each approved gear set.
  • Maintenance departments of cement and steel plants in Kilifi and Kisumu - you service existing gear trains, performing inspections, re-grinding, and alignment, and you are paid a regular wage plus overtime for keeping critical plant machinery running smoothly.
  • Small-scale engineering consultancies in Nakuru town - you compile third-party verification reports and portfolios that certify your designs, allowing you to charge consulting fees for independent audits of client projects.
  • Technical training institutes offering simulated workshops in Nairobi’s CBD - you demonstrate practical engineering-mechanics skills in a virtual environment, earning stipends as a trainer while sharpening your own competence.
  • Design bureaus that supply rotary compressors to dairy processing plants in Nyeri - you design compressors that maintain refrigeration cycles, receiving design fees and a share of the equipment sale price.
  • Ventilation-system suppliers for hotels and hospitals along the Kenyan coast - you design fans and vanes that move large volumes of air, invoicing clients for engineering drawings, prototype testing, and final installation.
  • Materials-selection firms serving the renewable-energy sector in Turkana - you choose engineering materials that withstand harsh desert conditions for wind-turbine gearboxes, earning commissions for each material specification package you deliver.
  • Component-fabrication workshops in Kitale and Garissa - you design and select engineering components such as shafts, couplings, and brackets for local manufacturers, charging per component design and per unit produced.
  • Construction companies building bridges and warehouses in Kisumu and Busia - you design structural frames and mechanisms (e.g., lifting rigs, movable platforms), receiving project-based salaries or profit-sharing on completed structures.
  • Entrepreneurial start-ups creating custom mechanisms for the informal sector in Nairobi’s informal markets - you design mechanisms for water-pumping kits, grain-sorting machines, or mobile food-processing units, selling complete kits and offering after-sales service contracts.

Your ability to move from a sketch on paper to a fully functioning drive or mechanism means you can earn a reliable wage in established firms or launch your own engineering service. Keep building that portfolio, and the opportunities will follow.

Chapters

What Engineering Mechanics covers: 34 main topics in 8 chapters

1. Simple Mechanisms

  1. 1.1 Define simple mechanism
  2. 1.2 Components of simple mechanism
  3. 1.3 Types of mechanisms

2. Belts, Ropes and Chain Drives

  1. 2.1 Definition
  2. 2.2 Belts
  3. 2.3 Rope Drives
  4. 2.4 Chain Drives

3. Toothed Gears and Gear Trains

  1. 3.1 Types of Gears
  2. 3.2 Types of Gear Trains
  3. 3.3 Lubrication of gears

4. Mechanical Rotor Dynamic Machines

  1. 4.1 Types of pumps and operation principle
  2. 4.2 Derivation of equations
  3. 4.3 Analysis of pumps
  4. 4.4 Types and operation principle of rotary compressors
  5. 4.5 Analysis of compressors
  6. 4.6 Compressor Fans and Vanes
  7. 4.7 Design Analysis

5. Stress And Strain Concepts in Mechanical Systems

  1. 5.1 Define stress and strain
  2. 5.2 Types of simple stresses
  3. 5.3 Analysing stress on
  4. 5.4 Applications of stress and strain concepts

6. Loading Conditions in Mechanical Systems

  1. 6.1 Define structure
  2. 6.2 Types of loading
  3. 6.3 Types of beams
  4. 6.4 Overhanging beam

7. Simple Bending Theory in Mechanical Systems

  1. 7.1 Engineers Bending Equation
  2. 7.2 Types of Beams mechanical systems
  3. 7.3 Analysis of Beams
  4. 7.4 Types of Shafts
  5. 7.5 Analysis of shafts

8. Torsion Theory in Mechanical Systems

  1. 8.1 Define Torsion
  2. 8.2 Torque Analysis
  3. 8.3 Analysis of Shafts
  4. 8.4 Determine angle of twist

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Beyond the syllabus

Other units in Module VI