Tawjihi Vocational Engineering study plan

Construct third-angle and first-angle orthographic projections of three simple machined parts, correctly applying the standard symbol for each system.

Produce a fully dimensioned multi-view drawing of a stepped shaft, applying ISO dimensioning rules for diameters, radii, chamfers, and tolerance callouts.

Draw and correctly label a free-body diagram for five static systems, including an inclined plane, a two-cable hanging load, and a simply supported beam.

Compute resultants of concurrent coplanar force systems using both the parallelogram method and the component (resolution) method, and verify that the two answers agree.

Apply the three equations of equilibrium to solve for unknown reactions in simply supported and cantilever beams under point loads and uniformly distributed loads.

Calculate the moment of a force about a point and about an arbitrary axis, and reduce a general coplanar force system to a single force and couple at a chosen point.

Determine the centroid and second moment of area for L-, T-, and I-shaped cross-sections using the tabular method.

Read and interpret section views, including hatching conventions and cutting-plane lines, by producing a full section and an offset section of a bracket.

Classify ten given engineering materials by family (ferrous, non-ferrous, polymer, ceramic, composite) and state two representative mechanical properties for each.

Explain the effect of carbon content on the properties of plain-carbon steels and match five named steels to appropriate workshop applications.

Describe the purpose and typical temperature range of annealing, normalizing, hardening, and tempering, and sequence them correctly for a given tool-steel component.

Compare arc welding, gas welding, brazing, and soldering by heat source, filler, and typical joint strength, and select the correct process for three stated workshop scenarios.

Identify the main parts and safe operating controls of a centre lathe and a drilling machine from memory by sketching and labelling each.

Calculate cutting speed, feed rate, and machining time for turning and drilling operations given diameter, spindle speed, and feed per revolution.

Sequence the operations required to produce a simple stepped shaft from bar stock, listing each setup, tool, and inspection point.

Select the correct measuring instrument (vernier caliper, micrometer, dial gauge, feeler gauge, steel rule) for six stated measurement tasks and justify each choice by resolution and range.

Read and record vernier caliper and micrometer readings from written descriptions of scale positions, applying correct zero-error correction.

Distinguish accuracy from precision and identify systematic versus random error sources in three workshop measurement scenarios.

Apply Ohm's law and series/parallel combination rules to solve for equivalent resistance, branch current, and voltage drop in five mixed circuits.

Calculate power dissipation in each resistor of a given circuit and verify that total supplied power equals total dissipated power.

Explain the behaviour of a PN-junction diode in forward and reverse bias and determine the state of a diode in three simple circuits.

Interpret basic electrical drawings by identifying standard symbols for resistors, capacitors, inductors, diodes, switches, and earth connections, and trace a simple control circuit.

Describe the function of a multimeter's voltage, current, and continuity ranges and state the correct meter setting and connection for each of five measurement tasks.

Identify the hazard category and required control measure for ten workshop scenarios using the hierarchy of controls (elimination, substitution, engineering, administrative, PPE).

State the correct selection and use of PPE for grinding, welding, and electrical work, and explain why each item is required.

Describe lockout/tagout procedure steps in correct order for isolating a machine before maintenance, and list the checks performed before re-energizing.

Apply a structured troubleshooting sequence (symptom, information gathering, hypothesis, test, repair, verify, document) to three fault scenarios: abnormal noise in a bearing, overheating motor, and hydraulic pressure loss.

Distinguish preventive, predictive, and corrective maintenance and assign the appropriate type to five given equipment conditions.

Explain safe handling and disposal requirements for used oil, coolant, and welding fume extraction waste under common environmental practice.

Solve engineering calculation problems involving unit conversion, percentage, ratio, and proportion as they arise in drawing scales, material quantities, and cost estimates.

Apply right-triangle trigonometry (sine, cosine, tangent, Pythagoras) to resolve forces and calculate tapers, chamfers, and inclined dimensions in five problems.

Rearrange common engineering formulas (Ohm's law, cutting speed, stress, power, machining time) to solve for any variable, showing each rearrangement step.

Produce a one-page technical memo reporting a measurement or test result, with a clear purpose statement, data summary, conclusion, and recommendation.

Write step-by-step work instructions for a simple assembly or maintenance task, using imperative verbs, numbered steps, and stated safety precautions.

Interpret a parts list and a simple production cost sheet, extracting quantity, unit price, and extended cost correctly.

Estimate the material, labour, machine, and overhead costs of a small workshop job and calculate unit cost and a selling price that includes a stated profit margin.

Prepare a simple project plan for a workshop task, listing activities, sequence, duration, and dependencies in a table or Gantt-style chart.

Identify the fixed and variable cost components of a small engineering enterprise and calculate the break-even quantity from given figures.

Complete two timed mixed-domain practice sets under exam conditions, then review every error and record the domain and cause of each mistake.

Re-audit your weakest two domains using your own error log and rewrite the three formulas or procedures you most often got wrong.