ORAL BY Bannerji

Orals Questions Cardiff                                      15th March 2018        

Examiner – Mr Bannerji                                                                                                                                                  Result – Fail

General Engineering Questions

  1. Draw a 4-stroke Timing – Diagram with Angles
  2. Draw a Draw Card an Explain – Wanted an explanation, P-Comp, P-Max, Ignition Delay
  3. What can affect Ignition Delay?
  4. How would you check ignition timing on a 4 – Stroke?
  5. What are the different types of Turbo charging?
  6. What are the Advantages and Disadvantages of both?
  7. At what RPM are Slow, Medium and High Speed Engines?
  8. What is a Positive and Negative Cam?
  9. How is Cylinder Lubrication Pressure Maintained? – (Accumulator)


  1. What is the purpose of the ISM Code? – (Safety of People / Environment)
  2. What Certificates are carried aboard a vessel?


  1. What is the Boiler Purging Sequence?
  2. What is the Maximum level of Chlorides in Boiler Water?
  3. How do we carry out the Chloride Test? -(Same sample as P-Alkalinity)
  4. What is the OG Ring?


  1. What is Single-Phasing?
  2. What causes Single-Phasing?
  3. What protects against Single-Phasing?
  4. What is the difference between a Thermistor and Thyristor?
  5. What is Forward Bias and Reverse Bias?


  • What Safeties are fitted to an Air Compressor
  • What is the Fusible Plug made from?
  • At what temperature does the Fusible Plug melt?
  • At what speed does the Purifier Bowl Spin?
  • At what Speed does the Purifier Motor run?
  • How is speed of the Motor increased to spin the bowl at 7000RPM?
  • How is the Gravity Disc on an Alfa Laval Purifier chosen?
  • How does a Centrifugal Oily Water Separator work?

Electronic Engines (RT Flex)

  • Explain how a Common-Rail Diesel works?
  • If one pump fails, how is it taken out of action?

Ship Construction

  • What is a Limber hole?
  • What is a Cross Deck?
  • What is a Transom Space?


  • How often must the Enclosed Space Entry and Rescue Drill be carried out?

Keeping ahead of covid-19

This rapidly evolving coronavirus (covid-19) has imposed an unsettling, fluid situation upon our community and its businesses. While the team here at THE MARINE TECK still aims to maintain a “business as usual” approach, we are making a number of significant changes to our operation to account for a situation that is far from normal.

Translate »