BTEB Diploma in Marine Engineering Examination case studies
BTEB Diploma in Marine Engineering Examination · Put your knowledge to work in context.
The BTEB Diploma in Marine Engineering is a technical vocational credential awarded through the Bangladesh Technical Education Board system, aimed at students and working technicians who want a recognised qualification in the operation, maintenance and repair of shipboard machinery. It suits school leavers entering the maritime trades as well as ratings and workshop staff seeking formal progression toward engine-room roles. The BTEB Diploma in Marine Engineering Examination case studies are 5 cases and about 3,122 words.
1Main Engine Exhaust Temperature Spread After Fuel Changeover
A 6-cylinder, 2-stroke slow-speed main engine of 9,000 kW has just completed a changeover from HFO (380 cSt) to MGO while manoeuvring in port. Fifteen minutes after the changeover, the exhaust gas outlet temperatures read: No.1 385 °C, No.2 382 °C, No.3 388 °C, No.4 410 °C, No.5 405 °C, No.6 384 °C.
668 words, about 3 min2Fresh Water Generator Output Collapse in Tropical Waters
A shell-and-tube vacuum fresh water generator rated at 20 t/day is producing only 9 t/day. The ship is in tropical waters at 30 °C sea temperature.
584 words, about 3 min3Watertight Integrity and Freeing Port Decisions Before Heavy Weather
A 12,000 dwt general cargo ship is completing loading. The forecastle is a raised type with a breakwater, but the forward well deck has two freeing ports on each side, one of which on the starboard side is stiff and partly blocked with cargo debris.
617 words, about 3 min4Insulation Resistance Failure on a 440 V Essential Circuit
During a routine insulation resistance test on a 440 V, 60 Hz three-phase essential seawater cooling pump motor circuit, the reading to earth is 0.4 MΩ with the motor and cable connected. The motor is 75 kW and has been running normally with no earth fault alarm.
699 words, about 3 min5Boiler Uptake Fire Risk During Soot Blowing
An auxiliary oil-fired boiler has been running on HFO with a history of smoky combustion at low load. The economiser uptake temperature has been creeping up over two weeks from 320 °C to 370 °C at constant steam demand.
554 words, about 3 min