Technical Drawing

Let me talk you through the focus-directrix property of the parabola from the Loci and Spe

Set me five practice tasks on sketching the locus of a point on the rim of a wheel rolling

Set me a quick recall test on constructing a parabola by the focus and directrix method fo

Act as my WAEC Technical Drawing examiner. I am in SS2. Set me an exam-standard question o

Quiz me on constructing the involute of a circle of 40 mm diameter for one complete revolu

Act as my study partner. I will teach you constructing the involute of a square and of a r

Take constructing an involute of a circle and a cycloid on one A3 sheet out of the textboo

Show me a worked example on two products that use an involute profile with an error somewh

Act as my WAEC Technical Drawing examiner. I am in SS2. Set me an exam-standard question o

Let me talk you through the meaning of link, joint, crank, lever, slider and frame from th

I am an SS2 student studying Link Mechanisms I in Technical Drawing. Explain the working o

Set me a quick recall test on sketching freehand the mechanism of a pair of scissors at SS

Show me how building a working card model of a simple four-bar linkage from strips works i

Set me five practice tasks on four components of a link mechanism, at the level expected i

Show me a worked example on the motion at the needle of a treadle sewing machine when the

Quiz me on drawing a slider-crank mechanism and plot the locus of the mid-point of the con

Act as my study partner. I will teach you measuring the stroke of the slider in my own wor

Take checking each other's stroke measurement against the calculated value of twice the cr

Act as my WAEC Technical Drawing examiner. I am in SS2. Set me an exam-standard question o

Set me five practice tasks on calculating the stroke of a slider-crank whose crank radius