IELTS Examiner / Practice Prompt Bank — GT & Academic / Academic Task 1
IELTS Academic Task 1: Process Diagram — Industry & manufacturing
Original practice prompt written in exam style — not a real exam question, and not a prediction.
The diagram below shows the manufacturing process for cement and how cement is used to produce concrete. Summarise the information by selecting and reporting the main features, and make comparisons where relevant. The process is as follows. Cement production begins when limestone and clay are crushed into a powder by a crusher. The powder passes through a mixer and then into a rotating heater, where it is heated at a high temperature. The heated material is ground again in a grinder to produce cement, which is then packaged into bags. To make concrete, the cement is combined in a large rotating mixer with three other materials in fixed proportions: gravel (50%), sand (25%), cement (15%) and water (10%). The mixture rotates until it reaches an even consistency, at which point the concrete is ready for use in construction.
Examiner focus: Two linked processes: cement making (four stages) and concrete mixing, where the exact proportions (50/25/15/10) must all be reported.
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