Marine Diesel Engine Diagnostics Quiz

What is the primary purpose of diagnostic tools in marine diesel engines?

• To increase engine size

• To monitor and troubleshoot performance

• To reduce fuel price

• To replace operators

Which diagnostic tool manually measures cylinder pressure at various crank angles?

• Electronic Indicator

• Manual Engine Indicator

• Exhaust Gas Analyzer

• Oil Analysis Kit

The electronic engine indicator primarily helps in:

• Painting indicator diagrams

• Digitally recording cylinder pressure and crank angle

• Cleaning fuel injectors

• Replacing valves

Which diagnostic tool measures the chemical composition of exhaust gases?

• Oil Analysis Kit

• Exhaust Gas Analyzer

• Vibration Analyzer

• Thermal Camera

Which of the following gases is NOT commonly measured by an exhaust gas analyzer?

• CO

• NOx

• O₂

• NH₃

Diagnostic software connects mainly to which system?

• Air intake system

• Engine Control Unit (ECU)

• Turbocharger

• Cooling pump

Handheld diagnostic devices are primarily valued for their:

• Portability

• Heavy-duty design

• Expensive calibration

• Permanent installation

Which tool detects abnormal vibrations caused by misalignment or bearing failure?

• Exhaust Gas Analyzer

• Vibration Analysis Tools

• Manual Indicator

• Oil Analysis Kit

Which tool identifies overheating parts or lubrication issues using heat patterns?

• Thermal Imaging Camera

• Exhaust Gas Analyzer

• Vibration Meter

• Crankshaft Deflection Indicator

What does an oil analysis kit mainly detect?

• Exhaust composition

• Metal particles and fuel dilution in oil

• Crankshaft bending

• Turbocharger speed