2nd Class EK General exam help from Martin's Marine Engineering Page

Certification Assistance for Marine Engineers

Canadian Second Class ME 
Engineering Knowledge - General

In Canada, Transport Canada administers the Marine Engineering examination process; visit the Training Page for details on the process. The actual exam consist of nine (9) questions randomly drawn from a question bank of the various subject. Six (only) must be answered in a 3.5hrs time frame. The exam questions are similar to these, presented below, and are drawn heavily from similar question in the Reed's Marine Engineering series of books. 
Brought to you by www.dieselduck.net comments to webmaster@dieselduck.net
Disclaimer
Transport Canada has ask us to advise users of this webpage to keep in mind that these questions are not the exact questions found in their exams. Martin's Marine Engineering Page - www.dieselduck.net is not affiliated with Transport Canada and these questions have been gathered from various sources.
MH sent us the following exam questions, encountered while taking the 2EKG exam, in March 2015- Thanks !
  1. Describe the properties of the materials for the following. Give ultimate strength for tensile and compressive loads for each.
    1. Cylinders
    2. Piston rod
    3. Boilers
    4. Compressed air vessel
  2. Piston ring material properties, how are piston rings manufactured?
  3. Explain why boiler feed water density can slowly increase. What do you use to measure and how do you test for alkalinity and acid.
  4. Line diagram and explain bilge pumping for cargo holds, forward and aft…
  5. Fully describe any steering gear you are comfortable with and how you would pump the system through
  6. Fire fighting apparatus for electrical, accommodations, and oil fires.
  7. Oil heater for boiler system. Describe all fitting necessary for proper workings
  8. Describe an engine indicator. Describe how you attain mean effective pressure and indicated power.
  9. Describe how you would resurface a damaged bottom end bearing. How would you get it to fit in a journal of 300mm.
IK sent us the following exam questions, encountered while taking the 2EKG exam, in August 2014 - Thanks !
  1. Describe the open hearth process of manufacturing mild steel. What is the difference between acid and basic mild steel? Compare mild steel with cast iron and state in an engine where each is used.
  2. With respect to boiler shells and starting air receivers, what is the nature and intent of stress in the longitudinal and circumferential seams? State the rules that apply.
  3. Describe a refinery process for lube oil, diesel oil, fuel oil, etc.
  4. Draw a line diagram of a system used to control the temperature of lube oil supplied to main machinery, labeling the principal equipment and showing the direction of the flow in all lines. Explain how the supply temperature is measured and maintained at desired value.
  5. Compare the capabilities and limitation of positive displacement and roto-dynamic pumps. Explain why running clearances are not so critical to gear pumps as in centrifugal pumps. Explain why variable stroke positive displacement pumps are used for hydraulic systems rather than gear pumps with recirculation control.
  6. Explain why the fuel supply to the burner of a periodically unattended aux boiler automatically switch-off in the alarm condition for the low and high water level, high steam pressure, air failure and flame failure. Describe how and when you could safely test these devices.
  7. With reference to tubular heat exchangers explain:
  8. How differential movement tubes and body is accommodated when the tube plates are rigidly located in the body.
    b. how and why turbulence is imparted to fluid through the tubes.
    c. why it has become possible to discard sacrificial anodes in sea coolers
    d. what is meant by term ‘guided flow’, with particular reference to oil heaters.
  9. As chief engineer of an oil burning dry cargo vessel your engine room crew consist of 4 engineers/incl. yourself/ and 6 ratings. How would you group this personnel to form an effective fire- fighting organization and how would you utilize them in the case of fire in the engine room.
  10. You have been chief engineer on a new ship for 1 year with fully automatic U.M.S. operation. You were previously chief engineer on the sister ship with manual operation. Write a letter to head office and discuss the advantages and disadvantages. Highlight any an instance in which automatic was superior to manual operation.
Jeff sent us the following exam questions, encountered while taking the 2EKG exam, in February 2014 - Thanks !
  1. Describe the physical properties of the metals used for the following: cylinder liner, bearing surface, centrifugal pump casing, boiler shell plating.
  2. Sketch and describe a flexible coupling you are familiar with that is suitable for use on a main engine.
  3. Describe in general a dry sprinkler system suitable for use on a passenger vessel. How is the compressed air maintained in the system? How is the valve reset after tripping?
  4. Describe how a spare blade is fitted to a built up propeller and how the pitch is adjusted.
  5. What is flame point? What is firing or ignition point? What is viscosity? Describe an apparatus to test the closed flame point.
  6. What are the components of sea water and their affect when used as boiler feedwater? What precautions would you take if using salt water as boiler feedwater?
  7. Trace the oil flow to a main or auxiliary boiler indicating pressures and temperatures. Start at the settling tanks. What safety features are used?
  8. What is spontaneous combustion? What precautions are taken to prevent this hazard?
  9. Describe the construction of a steering telemotor. What type of oil is used? How is the oil permitted to expand/overflow (can't recall the exact wording)?
Mike sent us the following exam questions, encountered while taking the 2EKG exam, in October 2013 - Thanks !
  1. What is a bridge gauge? If one is not available, what other means are available to measure crankshaft bearing wear or crankshaft deflections?
  2. Describe an engine indicator, how and why it is used. State how the mean effective pressure is obtained and how indicated power is calculated. Give an illustrated example.
  3. What types of valves are fitted to double bottom tanks for fuel or ballast? How do you ballast and de-ballast a double bottom tank. Why are these valves fitted? How does air escape when filling. Where are sounding tubes fitted on the tank
  4. Describe a telemotor system for steering gear, how would you ensure that the system is running properly. What would be the first thing you would do if the system failed at sea?
  5. Describe a reducing valve. Where this would be used? What else would be fitted on the low pressure side and why?
  6. What is viscosity? What is flash point (open/closed) and fire point? Briefly describe the apparatus used to find closed flash point?
  7. Describe engine room fire precautions and firefighting equipment fitted on an oil burning vessel? How is it used to fight a bilge fire?
  8. Describe the following stresses in relation to metals: tensile, compressive, shear and torsion. Give an example of each for ship’s machinery.
  9. Sketch and describe a mercurial barometer. What graduations is the pressure usually measured in and what is the average reading in kPa? What other instrument can be used in its place?

Igor sent us the following exam questions, encountered while taking the 2EKG exam, in September 2013 - Thanks !

  1. By examining bearings, give the condition of lubricating oil in an engine. State simple tests that may be performed aboard ship. How would you keep lube oil in good
  2. With reference to safety of personnel describe the correct method of dealing with the following:
    1. entering a cargo pumping room when pumping crude petroleum
    2. overhauling a pump that has been used for pumping hazardous chemicals.
    3. entering a hold that has carried citrus fruit.
  3. Describe the processes by which:
    1. gasoline
    2. diesel
    3. boiler fuel
    4. lubricating oils are obtained from the crude product in an oil refinery
  4. Make a single line sketch and describe a simple control system for a C.P. propeller . Describe the "fail safe" device.
  5. Describe an air conditioning system for a passenger-car ferry. Explain in detail how the humidity of the air is measured and controlled.
  6. The machinery control system in your present ship is pneumatic, whilst that in a sister ship in which you previously sailed is electrical. As Chief Engineer, write to the head office giving a general comparison of the two systems and highlighting those aspects where one system is demonstratively superior to the other.
Tom sent us the following exam questions, encountered while taking the 2EKG exam, in Nov 2011. - Thanks !
  1. Describe the construction of a steering telemotor. How is it charged? How is it tested?
  2. What are the constituents of sea water? How do they affect boiler feed water? At what density would a boiler be operated if sea water had to be used as make-up?
  3. Referring to oils; define flash point and firing point. Define viscosity. Describe the closed test for flash point.
  4. Describe how a spare blade is fitted to a built up propeller and how the pitch is adjusted.
  5. Describe a dry type sprinkler system for a passenger vessel. How is the compressed air maintained in the system and how is the valve reset after tripping?
  6. What are the physical properties of the material used for:

A. Surface of engine bearings
B. Boiler shell plate
C. Centrifugal pump casing
D. Cylinder liner

  1. Describe an oil burning system suitable for a main or auxiliary boiler, settling tank to burner. Show all safety features and give all temperatures and pressures.
  2. What is spontaneous combustion? What precautions are taken to prevent this hazard?
  3. Sketch and describe any flexible coupling you are familiar with.

 

John sent us the following exam questions, encountered while taking the 2EKG exam, in Sept 2010. - Thanks !
  1. Wire gauge is sometimes fitted over the ventilators and pipe ends. How is this gauging fitted. Why is it used and specifically where is it used. 
  2. Why are lime and soda used in boilers? What is meant by acidity of the boiler water. What are the causes and what are the remedies for this. State how you would test the boiler water for acidity. If the boiler water were left in an acid condition, what effect would this have on the boiler.
  3. Sketch and describe a pneumatic tank gauge. Sate its use and explain how it operates. Does the specific gravity of the liquid in the tank have any effect on the reading of the gauge.
  4. Describe the construction of a steering telemotor. How is it maintained? What would you do if it became defective?
  5. Describe the construction and use of an evaporator. Describe all the fittings on it's shell and their uses.
  6. Describe the type of bilge chest fitted in the machinery space for connecting to the forward bilge’s. State the materials of the different parts. State or sketch the type of valve fitted. Also describe a method of passing the pipes through the watertight bulkhead.
  7. Define the following terms: Tenacity, Hardness, Brittleness, Ductility, and Malleability.
  8. How would you test the alignment of the piston, piston rod and crosshead guides of a large reciprocating engine?
  9. Name three materials commonly used for the construction of propellers. Compare and contrast these materials.

 

Exam 01

01 - Sketch and describe a salinometer. How is it graduated? Why is it graduated for a specific temperature? How would you test water density of a multi-tubular boiler?

02 - What is stress when referring to engineering materials? Name the types of stresses acting on the following:

  1. cylinder cover stud

  2. the crank web

  3. steam piston confecting rod on the down stroke

  4. thrust shaft forward of the thrust collar

  5. the propeller shaft aft of the stern tube

03 - Define the following: 

  1. latent heat

  2. sensible heat

  3. conduction

  4. convection

  5. radiation

Where would each occur in a boiler?

04 - Describe the open hearth process of manufacturing mild steel. What is meant by "acid" and "basic mild steel"? What parts of a boiler and engine are made of mild steel?

05 - Describe a Co2 refrigeration system. What are the advantages and disadvantages of Co2 as opposed to an ammonia system?

06 - Describe an emergency bilge pump. What are some rules for its use in relation to a passenger ship? How is it controlled?

07 - Sketch and describe a soda acid and portable foam fire extinguisher. What type of fires are both used for? How does the action of one differ from the other?

08 - Explain the procedures for dry docking a vessel for a full survey. What precautions are taken before undocking?

09 - Sketch and describe a metallic packing gland.

 

Posted April 2002

 

Test 2

1. Define the following terms:
(a) Quantity of heat expressed in joules
(b) Specific heat capacity
(c) Calorific value
(d) Enthalpy of evaporation of steam
(e) Temperature
(f) Spontaneous combustion
Explain how you would experiment to find the specific heat capacity of a solid such as a piece of copper.

2. What is the average density of seawater. List forming salts which are usually present in
(a) Fresh water
(b) Sea water
At approx. what temperature do calcium sulfate and calcium carbonate deposit. Under what circumstances is the deposit of calcium chloride (common salt.) How would you find the density of water in the boiler.

3. Give a detailed description of
(a) foam
(b) soda acid
(Sketch) What fires are the extinguishers used for and how. Also how are they inspected, cared for and re-charged. How does the soda acid type differ in action from the foam type.

4. A new propeller is to be fitted to an existing shaft. State how you would do this giving shaft diameter and key sizes. When the propeller is fastened in position, how is it verified that it is fully in place.

5. Describe an engine indicator, how and why it is used. State how the mean effective pressure is obtained and how indicated power is calculated. Give an illustrated example.

6. Describe any type of steering gear with which you are familiar and state clearly how the movements of the steering gear are made to comply with those of the steering wheel.

7. What are the fill and empty arrangements for double bottom on water ballast tanks on ships. What type of valves are used and why. How would you pump out and fill a double bottom tank. What devices are fitted on double bottom tanks so air may escape. Why are the tanks full and where are the sounding pipes located. 

8. Describe a refrigeration system suitable for a ship carrying frozen cargoes. Give the approximate temperature for storage of:
(a) Meat
(b) Fish
(c) Vegetables

9. Describe a process known as annealing and tempering. Why is it after repairs are made to parts of machinery, annealing is required.


Test 3

1. Give a detailed list of all the fire fighting equipment in the engine room and boiler room of a modern oil-burning vessel. How is this equipment tested. Make a diagrammatic sketch of the engine and boiler rooms showing the position of the equipment.

2. What defects develop in anchor cables and steering chains. How are the defects found and remedied.

3. Describe the type of engine usually installed in a lifeboat motor. Describe the cycles, also how reversing of the propeller is effected. What fuel is used.

4. Define the following process and state what purpose each would be used aboard a ship:
(a) Tempering
(b) Annealing 
(c) Casehardening 
(d) Brazing
(e) Welding

5. With reference to heat, give a definition of the following terms:
(a) Radiation
(b) Conduction
(c) Convection
(d) Sensible heat
(e) Latent heat
Give examples where each of these occur in a boiler.

6. Describe the type of bilge chest fitted in the machinery space for connecting to the forward bilge’s. State the materials of the different parts. State or sketch the type of valve fitted. Also describe a method of passing the pipes through the watertight bulkhead.

7. Sketch and describe a mercurial barometer. In what units it is graduated. What is the average reading and how is this expressed in kilopascals (Kpa). What type of barometer sometimes takes place of a mercurial barometer.

8. Describe any type of governor suitable for the main propelling engines. Show how you are familiar with its construction and it’s operation.

9. Describe the telemotor system of the steering gear control. How is the expansion of fluid allowed for and what kind of fluid is used. How is the system charged and tested.


Test 4

1. Why are lime and soda used in boilers? What is meant by acidity of the boiler water. What are the causes and what are the remedies for this. State how you would test the boiler water for acidity. If the boiler water were left in an acid condition, what effect would this have on the boiler.

2. Tanks that are used to carry fuel oil and ballast alternately, have this valve filling so the arrangement of the system cannot be inadvertently pumped out by the wrong pump. Describe this arrangement and sketch a suitable fitting to obtain this effect.

3. Wire gauge is sometimes fitted over the ventilators and pipe ends. How is this gauging fitted. Why is it used and specifically where is it used. 

4. Sketch and describe a pneumatic tank gauge. Sate its use and explain how it operates. Does the specific gravity of the liquid in the tank have any effect on the reading of the gauge.

5. Describe the various mechanical tests, which are required for the material used in the boiler construction.


Test 5

1. Describe the type of engine usually installed in a motor lifeboat. Describe the cycle also the starting procedure from cold. Explain how reversing the propeller is effected. What fuel is used.

2. Describe the installation of a sprinkler system or fire extinguishing apparatus and state how it operates.

3. Sketch a describe a salinometer. Show how it is graduated and explain why it is graduated for a specific temperature. Describe fully how you would determine the density of a multitude boiler with this salinometer. 

4. In a new large reciprocating it was found that there was no markings on the flywheel. Describe in detail how you would place the engine on top dead centre with respect to a cylinder and how would you make a tunnel for future use.

5. What are the physical properties for the following parts:
A) The surface metal for main engine bearings.
B) Boiler tubes.
C) Steel plates for boiler shields.
D) Stern tube bearings.

6. Define the following:
A) Spontaneous combustion.
B) Enthalpy of evaporated steam.
C) Specific heat capacity.
D) Quantity of heat expressed in joules.
E) Calorific value.
F) Temperature

7. Define the purpose and usefulness of www.dieselduck.net?


Additional Questions Submitted by Colin B.

 

01 Describe the manufacture of cast steel. Give figures for Tensile strength: % elongation: % reduction in the area and yield point for a propeller shaft.

02 Describe any type of refrigeration system you are familiar with. On a vessel carrying frozen cargoes, such as meat, fish, and vegetables, what temperatures would you carry? 

03 Describe the construction of a steering telemotor. How is it charged? How is it tested? What would you do if it became defective?

04 Sketch the bilge pumping system on your last ship. What are bilge pipes made of  and why?

05 Screens are sometimes fitted on ventilators. What is the reason and importance of fitting them? How is the gauze wire fitted?

06 Define the following terms:- specific heat; spontaneous combustion; calorific value; temperature. Describe an experiment to find the specific heat of a piece of copper.

07 Describe how you would check a tail shaft for wear down. On a 12” diameter shaft, how much wear down would you allow? What might happen with excessive wear down?

08 What are muntz metal and monel metal? Where are they used in marine work and why?

09 Describe any power steering gear you are familiar with. What provision is made in case of failure?

10 Sketch and describe a pneumercator tank gauge. Does the specific gravity of the liquid have any bearing on the reading?

11 Describe a machinery breakdown you have experienced at sea. How were repairs effected?

12 Describe with the aid of a sketch the function, construction, and use of a salinometer. Describe its graduations and why it is marked for a specific temperature.

13 Describe how you would find the IHP and the BHP  of an engine using indicator cards and a dynamometer.

14 How would you prepare a ship for dry-docking? What precautions are necessary before, during, and after dry-docking?

15 What is the calorific value and the constituents of fuel as used in a diesel engine? What percentage of  the heat in the fuel is put to useful work? Explain what losses occur. What is the composition of the exhaust gases and how could these losses be reduced?

16 What is the composition of sea water? At what density would a boiler be operated if salt water had to used and what would be the result?

17 How are anchor cables and steering chains inspected for defects? What defects are usually found and how are they remedied?

18 Describe the fire detection and extinguishing apparatus fitted on a passenger ship. Include the sprinkler system.

19 Describe a ballast system for an average cargo vessel. What is the important difference between a ballast and bilge system?

20 How is a liner fitted to a tail shaft? How is the thickness of the liner calculated? What is fitted between the end of the liner and the propeller hub and why?

21 Describe a soda acid and a foam fire extinguisher, giving details of construction, contents, operation, and testing.

22 Describe a four cycle motor as fitted in a ship’s lifeboat, giving details of its installation, and method of reversal.

23 Describe how a spare blade is fitted to a built up propeller and how the pitch is found.

24 What are the physical properties of cast steel and cast iron? How are they distinguished from each other? Describe the manufacture of a small casting.

25 What are pitting, corrosion, and encrustation? Give their causes, effects and remedies. Describe the survey of boiler for these defects.

26 Referring to oils, define flash point and firing point. Describe the closed test for flash point.

27 What means are taken to prevent water and oil being incorrectly pumped in a ballast and fuel oil system?

28 Describe a marine steam turbine and its associated equipment.

29 Sketch and describe a quadrant and tiller for a steering gear, showing how they are connected to the rudder post and how the rudder post is let through the counter. What happens when a heavy sea strikes the rudder?

30 Describe an emergency bilge pump and how it is controlled. What are the regulations governing its use on a passenger ship?

31 Describe the construction and use of an evaporator. Name all its fittings and their uses.

32 Describe the construction and operation of a purifier for lubricating oil.

33 What are the principal combustibles in petroleum and diesel fuel oil? Give an approximate analysis of each of these fuels. In what proportions do these combustibles combine with the atmospheric air to produce heat? Give an exact definition of combustion.

34 Describe a dry type sprinkler system for a passenger vessel. How is the compressed air maintained in the system and how is the valve reset after tripping?

35 Describe any type of governor suitable for the main propelling engine. Show that you are familiar with its construction and operation.

36 Describe the construction and operation of a duplex double acting feed pump. Describe how the steam slide valves are set.

37 Describe a stern tube and propeller shaft. How are they fitted in a new ship?

38 Describe the function, construction and action of a mercurial barometer. What is the meaning of its graduations? What other type of barometer could be used 

39 Define “stress”. What is the nature of the stresses set up in the following:- piston rod; thrust collar; crank web; propeller shaft; safety valve spring; cylinder head stud?

40 Define the following:- force; work; power; mass; weight; friction; energy.

41 What fire fighting equipment is fitted on an oil burning vessel? How is it used to fight a bilge fire in an engine room?

42 Define the following:- Mechanical Efficiency; Thermal Efficiency; Volumetric Efficiency; Scavenge Efficiency. Give the approximate values for each in diesel engine you are familiar with.  

43 What faults could develop in a three stage air compressor and what measures must be taken to prevent accidents?

44 Describe an observation tank and a cofferdam. Describe the purpose of each, naming all the fittings.

45 Describe the process of electric welding. What parts of a boiler may be repaired by this process?

46 What is meant by factor of safety? What does it depend upon? Give factors for boilers; piston rods; propeller shafting; and state why they differ. What is meant by dead load, live load and alternating load, and for which type of load would you allow the greatest factor of safety?

47 Describe a modern method used to treat feed water for a high pressure water tube boiler. Why is this necessary?

48 Describe a  bridge gauge and explain its uses. If no gauge were available, how would you check the crankshaft alignment?

49 Describe a variable stroke pump as used in a steering gear.

50 Describe how the following engines are reversed:- Triple expansion steam engine; Steam turbine; Directly reversible diesel engine; geared diesel engine.

51 Name the various tests given to the metals commonly used in marine engineering. What information would you expect to gain from these tests?

51 Describe a reversing gear for a small diesel engine.

 

Additional Questions Submitted by Bill Feb. 17, 2003

1) Describe how you would measure a tail shaft while in dry-dock. What would be the maximum wear of a lignum vitae stern bush for a shaft diameter of 300mm? What would be the effects of wear of the stern bush?

2) Describe the fire extinguishing equipment found on a motor ship. What type of extinguishers would be used on :

a) a fire in accommodations
b) a fire on tank top
c) an electrical fire

3) Describe a major breakdown at sea that you helped to repair.

4) Describe the tests used and the reading you would expect to find on the steel used in the construction of a tail shaft.

5) What is meant by IHP and BHP? How are they determined? Explain the use of an indicator and a dynamometer.

6) Describe a feed pump for a boiler, naming the materials and how it operates.

7) Completely describe a hydraulic steering gear you are familiar with. Describe pumping the system through. What pressure does it normally operate at?

8) What are economizers and heaters as per boiler exhausting? What are causes of moisture in the same? How is moisture prevented?

9) Describe a Co2 refrigeration system. How does it compare to a Ammonia system.

Brought to you by www.dieselduck.net comments to webmaster@dieselduck.net
Disclaimer
Transport Canada has ask us to advise users of this webpage to keep in mind that these questions are not the exact questions found in their exams. Martin's Marine Engineering Page - www.dieselduck.net is not affiliated with Transport Canada and these questions have been gathered from various sources.