EFOMM case studies
EFOMM · Put your knowledge to work in context.
EFOMM is the entrance examination for the Escola de Formação de Oficiais da Marinha Mercante, Brazil's merchant marine officer training school. Passing it is the first step toward a career as a deck officer or engineering officer aboard merchant vessels. The EFOMM case studies are 5 cases and about 2,164 words.
1Last-Minute Cargo Loading: Draft and Freeboard
A small coastal cargo vessel is moored in calm fresh water at a river port. Its hull cross-section is box-shaped.
490 words, about 2 min2Two Resistors, One Battery: Reading a Circuit Correctly
A student builds a circuit with a 12.0 V ideal battery, a 6.0 Ω resistor R1 in series with a parallel combination of a 12.0 Ω resistor R2 and a 4.0 Ω resistor R3. An ammeter (ideal) reads the total current from the battery, and a voltmeter (ideal) is connected across R2.
469 words, about 2 min3Titration Decision: Which Indicator and What Concentration?
A laboratory receives an unlabelled bottle said to contain hydrochloric acid. A 25.0 mL sample is titrated with a sodium hydroxide solution whose concentration was standardised at 0.100 mol/L.
423 words, about 2 min4Reading a Short Chronicle: Voice, Tense and Argument
A student must interpret a short chronicle-like narrative in which the narrator reports events in the past tense but repeatedly interrupts with comments such as 'and so it was that the town learned its lesson' and 'as everyone knows'. The narrator never names himself, claims to have witnessed some events, and describes other events that occurred before his birth.
402 words, about 2 min5When Does a Generalisation Hold? A Language-Learning Claim
A classmate writes: 'In English, the present perfect is always used for actions that started in the past and continue now, so you can never use the simple present for those.' The class is asked to evaluate this rule using examples. Consider: 'I have lived here since 2019' (continues now), 'I live here' (current state), 'She has been working since noon' (continues), and 'Water boils at 100 °C' (general truth).
380 words, about 2 min