Engineering — Mashit 30
Diesel engines, fuel, lubrication and cooling systems, pumps, electrics, propulsion and fault-finding.
178 questions. The exam: 50 questions, pass mark 43, 60 minutes.
What you can do here
- Question bank — every question by topic, with the correct answer.
- Mock exam — built like the official exam.
- Topic practice — one topic at a time, with instant feedback.
The categories in the paper
- The diesel engine — principles and cycle
- Engine parts and mechanisms
- Fuel system
- Lubrication system
- Cooling system
- Pumps
- Electrical system
- Propulsion, transmission and propeller
- Operation, maintenance and faults
- Units and calculations
Study by topic
- Engine principles — 17 questions. Internal combustion, compression ignition, strokes and pressure charging
- Engine parts — 16 questions. Piston, crankshaft, valves and flywheel
- Fuel system — 27 questions. Injection, injectors, fuel supply, filters and bleeding
- Lubrication and oil — 21 questions. Oil pressure, oil level, filters and lubrication faults
- Cooling system — 18 questions. Fresh water and raw water, thermostat, heat exchanger and temperature
- Pumps — 11 questions. Centrifugal, piston, Jabsco-type and bilge pumps
- Electrical system — 23 questions. Battery, alternator, starter motor and fuses
- Propulsion and propeller — 15 questions. Gearbox, shaft, pitch, diameter and thrust
- Operating routine — 9 questions. Checks before and after starting, shutdown and the control panel
- Fault-finding — 11 questions. An engine that will not start, stops, misfires or overheats
- Safety and fire — 3 questions. Fighting an engine-room fire and conditions for ignition
- Calculations and units — 7 questions. Power, volume, horsepower and temperature conversions