IGCSE Design & Technology (0445) — May–June 2025, Paper 43
12 questions · every question answerable online with instant point-by-point AI marking against the official mark scheme.
Start with Question 1 →(a) Name two fossil fuels.
Answer this question and get it marked →Name the type of structure shown in Fig. 2.1. Fig. 2.1 is a photograph of a large wooden waterwheel mounted in a timber framework, standing outdoors beside a building. The wheel…
Answer this question and get it marked →Give one reason for using triangulation in a structure.
Answer this question and get it marked →Describe, using examples, the following forces that can act on a structure. tension torsion static load
Answer this question and get it marked →Explain why spur gears are used to transmit motion in a mechanism.
Answer this question and get it marked →Describe how two shafts can be made to rotate in the same direction using spur gears.
Answer this question and get it marked →Use sketches and notes to show a parallel linkage.
Answer this question and get it marked →Complete Fig. 8.1 by naming the electronic symbols. Fig. 8.1 shows four boxes, each containing a circuit symbol with a blank line beneath for naming: - Box 1: a triangle pointing…
Answer this question and get it marked →Complete Fig. 9.1 by arranging the resistance values from the lowest value on the left to the highest value on the right. The four resistance values given are: 4.7 kohm, 3 Mohm,…
Answer this question and get it marked →Fig. 10.1 shows a concrete canopy over the front of a warehouse building. The canopy is supported either side by steel structures that resist forces caused by the weight of the…
Answer this question and get it marked →Fig. 11.1 shows two views of a badge-making machine which is used to press a clear plastic sheet over a paper badge and badge blank. View A shows the machine at rest with a spring…
Answer this question and get it marked →Fig. 12.1 shows a conveyor belt used to move boxes in a manufacturing unit. A sensor circuit will stop the conveyor belt when a box is between the light source and light sensor to…
Answer this question and get it marked →