This Blog is dedicated to all Marine Engineers preparing for MEO class IV exams. The questions covers all functions (Ship Stability, Marine Electro Technology, Marine Engineering Knowledge, Marine Safety and Marine engineering Practice).
2. What is the purpose of the inlet grid provided within the exhaust gas casing in the gas flow path ,prior entry to turbocharger ? choose one To filter out any unburnt carbon To absorb and dampen the pressure fluctuation To reduce noise in the constant pressure exhaust piping To prevent any broken piston rings finding their way to turbine
3. Which of the following factors governs the lower limit of thrust bearing clearance ? choose one To allow some oil leakage to prevent overheating Reduction of oil viscosity Alignment of crankshaft To allow the thrust pads to tilt and generate the oil wedge
4. Which of the following statements is true, about slow speed engines? choose one A scavenge fire can lead to a crankcase explosion A scavenge fire can lead to deformation of diaphragm plate A scavenge fire can lead to damage to tie rods. All of the above.
5. Which of the following can result in cracking of piston crown? choose one Deposits in cooling spaces Impingement of fuel due to faulty injection Insufficient piston cooling oil flow All of the above
Score = Correct answers:
q 4 wxplain
q 4 wxplain
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