問題一覧
1
An engine room rating notices that the guard on a running pump is hanging loose due to a missing bolt on the support bracket and it is catching the shaft coupling. What is the best action to take as a repair method?
Inform the watchkeeper so that the pump can be stopped and a new bolt can be fitted to permanently fix the guard in place
2
what would be the likely cause if the shaft of a centeifugal pump shows excessive wear in way of the stuffing box?
over tightening of the gland packing
3
following maintenance ofwork on an air comressor the engine room ratinf is asked to put the tools away. It is noticed that an allen key is missing from the set. What action should be taken?
inform the engineer in case it has been left inside the compressor when it wws closed up
4
While getting tools ready and preparing for overhaul work on the main engine the engine room rating notices that the electrical extension is damaged. A small section of the cables outer insulation is split although the inner insulation appears ok. What action should the rating take?
Label the damaged extension as unfit for use and return it to the store for testing and get a replacement extension.
5
During overhaul of a purifier the engine room rating is instructed to drain and clean the gearbox on the machine. Which of the materials given in the options is the best one for wiping up the remaining oil in the gearbox after draining the oil?
Clean, lint free cotton rags.
6
During maintenance work on a fuel tank the engine room ratings are removing scale in preparation for re-coating. One of the ratings suddenly notices the smell of fumes even though the atmosphere had been satisfactorily tested before the work started. What action should the ratings take?
Leave the tank immediately and have the atmosphere retested.
7
Which tool in the options given is the best one for cutting a new external thread on the end of a steel pipe?
Split dies
8
Hot work is to be carried out close to a smoke detector in the engine room. What precautions should be taken?
Notify Deck Officer and Engineer Officer in charge. The loop for the smoke detector should be isolated while work is done and normal precautions for hot work taken including permit to work
9
During overhaul of a hydraulic pump a large imber of small components are removed. Where rould these components be kept so that they are "not lost?
They should be placed in a clean box or tin and covered over.
10
A small electric motor needs to be taken to the bottom plates for fitting to a domestic water pump. It is only just too heavy to be manually carried so is to be lowered using the engine room crane. Which of the options given would be a suitable strop to use for the operation?
Any certified strop which has a safe working load greater than the weight of the motor.
11
Tab washers are often fitted to bolted assemblies to prevent the nuts and bolts slackening. For an assembly where the nuts are positioned at the top select the option which describes the correct method of locating the tab washers.
Bend the inner tab up against one flat of the nut and the other tab down over the edge of the component.
12
A centrifugal pump gland has been repacked following overhaul of the pump. What is the correct method to ensure the pump shaft does not overheat when the pump is operating?
Gradually tighten the gland follower with the pump running until leakage at the gland stops.
13
During maintenance work at sea an engine room rating is moving a heavy component to the workshop using a chain block attached to an overhead trolley on a rail. Part way through the operation the rating is asked by the engineer to go immediately to the store for some equipment. What should the rating do?
Continue with the moving operation until the component is properly secured in the workshop before going to the store for the equipment.
14
An engine room rating is given the task of etightening the flanges of a pipe that has been laced in the engine room. Which of the following tightening procedures should be followed?
Gradually tighten all of the bolts working diagonally across and around the flange.
15
Which tool would be used to produce accurately sized bolt holes in a steel flange?
A reamer.
16
Welding and burning are two operations which give the highest risk of a fire on board ship. Which of the following safety precautions may be regarded as the most important in order to minimise this particular risk?
The area where the welding is to take place and adjacent spaces to be cleaned and all unnecessary materials and objects to be removed.
17
The threads on the drain plug for the bronze end cover of a sea water cooled heat exchanger have been badly damaged during maintenance. There is no spare brass plug available. What is the best solution for repairing the heat exchanger?
Make a new brass plug on the lathe to fit the drain hole.
18
A spare cylinder head for the generator needs to be lifted from its storage cradle to the generator flat. Because of its location the engine room crane cannot be positioned directly above it. What method should be used to bring the cylinder head into position?
Rig chain blocks to lift the cylinder head from its cradle and then transfer it gradually over to the crane hook by working the chain blocks.
19
A seawater pipe is holed due to corrosion causing frequent bilge alarms. Which of the given temporary repair methods would be the preferred option to remedy the problem until the pipe can be replaced?
Cover all of the affected area with fibre glass tape and resin/fibre glass mixture.
20
What type of heat exchanger is shown in the illustration?
Plate
21
Why are zinc anodes sometimes fitted in the seawater side of heat exchangers?
To protect against corrosion
22
A new joint is needed for a steam condensate drain line. What is the most suitable jointing material to use?
Plain fibre jointing
23
An engine room rating is assisting in the maintenance of some of the valves on the low pressure steam range. Which packing material, from the options given, would be the best choice for repacking the gland of a low pressure steam valve?
Graphite fibre packing.
24
A bilge strainer is blocking up during bilge pumping operations which is causing delays as the pump frequently loses suction and has to be primed. What action should be taken to remedy the situation?
Clean the strainer more frequently and clean out the bilge well at the first opportunity.
25
When refitting the bolts into a flange on a steam line how should the bolts be prepared so that they can be easily removed next time maintenance is required?
Coat the threads in graphite based grease.
26
An electric motor is to be aligned to a pump by inserting shims under the motor feet. Which tool would be used to check that the alignment is correct by measurement of the gap between the coupling faces?
A set of feeler gauges.
27
Which of the options given is most likely to result in overheating of a ball bearing fitted to a pump shaft?
Completely filling the bearing with grease.
28
What kind of safety equipment should be used when operating a grinding wheel?
Goggles and shield
29
Personal protection equipment appropriate to the task should be worn during work in the engine room. Which of the tasks requires that safety goggles should always be worn?
When you are working with power tools or chemicals.
30
A pump cover is sealed using a paper gasket which is damaged during overhaul. There are no spare gaskets available. How should the casing be sealed when reassembling the pump?
Make a new gasket from old chart paper or other similar material of the same thickness as the original gasket.
31
A threaded hole is to be formed in a steel plate using a tap and wrench. When drilling the hole which of the options best describes the required drill size?
The drill should be a smaller size than the diameter of the tap.
32
ch type of pump is shown in the illustration?
A centrifugal pump.
33
When working at height onboard ships what is the most important safety precaution that should be taken?
Wear a safety harness securely attached to ship's structure.
34
Which tool would be best suited for cutting a piece of angle iron?
Hacksaw.
35
Following repair and refitting of the seawater pipe for the fresh water generator feed line the rating notices that one of the flange joints is leaking What action should be taken?
Check the bolts are correctly tightened before informing the engineer so that the flange faces can be cleaned and re-jointed if necessary.
36
Which cleaning agents are suitable for use in machinery space when considering the effect on the function of the oily water separator?
Only non-emulsifying cleaning agents with self splitting emulsifiers are suitable.
37
A new gasket has been fitted to the manhole cover of a ballast tank. Which of the options given would be suitable to test that the new gasket is correctly fitted?
Carry out a hose test on the manhole cover.
38
Which of the following tools can be safely sharpened using a pedestal grinder?
Steel drill bit
39
What is the main reason for using a ring spanner to tighten the brass nuts on the cover studs of a pump casing?
It will minimise the risk of slipping off the nut or damaging the nuts.
40
Most maintenance and repair tasks carried out onboard ship require a permit to work which will include a full risk assessment. Where would an engine room rating find out about the precautions that are required for a particular task?
Ships Safety Management Manual (ISM Code procedures)
41
During overhaul of some plate type compressor valves the engine room rating is asked to clean the valve plates and seat. Some of the valve plates are heavily marked. What action should be taken?
Discard the defective valve plates and replace them with new spares
42
What is meant by the term 'lapping in' in relation to diesel engine cylinder cover valves?
Grinding the valve against the valve seat, usually manually, to obtain a uniform sealing surface across the seat.
43
During maintenance work in the engine room an access ladder and platform have been removed to allow work to be carried out on a pipe. When breaking for lunch what action should be taken to make the worksite safe?
Close off the area with rope or tape and put out warning signs that work is in progress.
44
What is the most suitable type of packing for a shaft gland of a pump used for seawater duties?
Greasy cotton packing.
45
What will the cadet find in the maintenance manual?
The Cadet will find a lubricating chart in the maintenance manual
46
What should the Fitter be asked to do?
The Fitter should be asked to check the level of hydraulic oil in the header tank
47
What is the correct name of the tool shown in the illustration?
Adjustable wrench
48
What do you understand by the order: "Move the pilot ladder to the other side"
Move the pilot ladder to the other side, means: to shift the pilot ladder to the opposite side of the ship.
49
What are the lists called that give the position and task during a lifeboat drill for all persons on board the ship?
The Muster List
50
What do you understand by: Secure the tug?
Secure the tug means: to make fast the tug
51
What is the correct name of the equipment shown in the illustration?
Pedestal drill
52
What will happen when the ship arrives in Rotterdam?
The ship will receive fuel and diesel oil bunkers
53
With reference to engine room operations, what does the term "Stand By" mean?
"Stand By" means that the engineers should be ready to respond to bridge requirements.
54
Where is the "PORT QUARTER", in the figure?
The Port quarter is D, in the figure
55
What is "DRAUGHT", in the figure?
Draught is D, in the figure
56
What should the cadet be aware of when using a needle gun?
The Cadet should be aware of the dangers associated with using a needle gun
57
What is the normal term used for the regular training of how to launch the lifeboat?
Lifeboat drill
58
What action should be taken by the engine room rating if a piece of machinery is not functioning properly?
If machinery does not function properly the duty Engineer should be informed immediately so that plans for further action can be made.
59
What is the correct name of the part highlighted in the illustration?
Fuel injector
60
What do you understand by: Bitter end?
Bitter end means: the end link of an anchor cable that is secured within the chain locker
61
Select from the options given the statement that best describes the main duties of an engine room rating who is part of an engine room watch?
Engine room ratings forming part of an engine room watch should assist in efficient and safe watch-keeping routines.
62
What is understood by the term "take the helm"?
Take over the steering of the ship.
63
What is the correct name of the part highlighted in the illustration?
Turbocharger
64
What is the correct name of the part highlighted in the illustration?
Exhaust valve
65
What do you understand by: Rig the accommodation ladder in combination with the pilot ladder?
Rig the accommodation ladder in combination with the pilot ladder means: lower the accommodation ladder and rig the pilot ladder right next to it
66
What will the cadet expect to find in the engine room store?
The Cadet will expect to find machinery spare parts in the engine room store
67
What do you understand by: Let go the port anchor?
Let go the port anchor means: open the port windlass brake
68
What is the correct name of the part highlighted in the illustration?
Crankshaft
69
Where is the "BRIDGE", in the figure?
The Bridge is A, in the figure
70
What is the correct name of the part highlighted in the illustration?
Crosshead
71
Is it always possible to use the word "ship" instead of the word "boat"?
Normally a small vessel is called a "boat" rather than a "ship", otherwise it is not important.
72
What is the correct name of the tool in the illustration?
Monkey wrench
73
Where is "AFT", in the figure?
Aft is A, in the figure
74
Where is the "FORECASTLE", in the figure?
The Forecastle is B, in the figure
75
What has the cadet been ordered to do?
The Cadet has been ordered to paint the evaporator using a paint brush
76
What is the correct name of the part highlighted in the illustration?
Piston
77
How would you alert others onboard if you saw a person falling overboard?
If I saw a person falling overboard I would shout repeatedly, "Man overboard"
78
What is the correct name of the part highlighted in the illustration?
Piston rod
79
at is the room often called where the crew eat their meals?
The crew mess
80
What is the correct name of the tool shown in the illustration?
Flat file
81
What do you call the wide rung on a pilot ladder that prevents the ladder from twisting?
The wide rung on a pilot ladder that prevents it from twisting is called a 'Spreader'
82
What is the correct name of the tool shown in the illustration?
Water Pump Pliers
83
What is a hydraulic hand pump usually used for?
A hydraulic hand pump is usually used to tighten G-nuts
84
Read this text and answer the question: To whom should training in personal survival techniques be given?
To all seafarers.
85
What is the objective of the merchant navy?
To safely transport goods by sea
86
What is the correct name of the part highlighted in the illustration?
Connecting rod
87
Which is the "STARBOARD QUARTER", in the figure?
The Starboard quarter is C, in the figure
88
What does the word "pirates" mean
Pirates are persons who attempt to board and take over a ship at sea
89
What do you understand by the term: "Let go the tug"?
Let go the tug means: to cast off the lines that secure the tug to the ship
90
Why did the Second Engineer wish to make a monthly allotment?
The Second Engineer wished to make an allotment because he was married
91
What is the meaning of "make fast"
To secure a rope
92
What is the correct name of the part highlighted in the illustration?
Camshaft
93
What is the most likely reason for vibration and noise at the suction side of a centrifugal pump when it is running?
Collapsing vapour bubbles due to cavitation.
94
Reduced capacity accompanied by vibration and noise at the suction of a centrifugal pump results from the action of vapor pockets in the fluid being pumped caused by:
Cavitation
95
What action should be taken if the heat transfer capacity of a heat exchanger operating as a lubricating oil cooler is reducing?
The heat transfer surfaces should be cleaned.
96
With two alternators operating in parallel at 75% load capacity, one trips without any warning. What is the first action that should be taken?
Trip/stop all nonessential loads that are connected to the switchboard
97
What action would you take if the performance of a plate type heat exchanger was falling off even though flow rates and pressures of the primary and secondary fluids were normal?
Clean the heat exchanger.
98
What will you do if the heat transfer capacity is dropping, and we know that flow and heat energy corresponds to the specifications?
Use the "cleaning in place" arrangement to open the heat exchanger for visual inspection and manual cleaning.
99
What would be the most probable cause of high temperature readings for the bearings in a diesel engine?
LUBRICATING OIL PRESSURE TOO LOW.
100
During overhaul of some plate type compressor valves the engine room rating is asked to clean the valve plates and seat. Some of the valve plates are heavily marked. What action should be taken?
DISCARD THE DEFECTIVE VALVE PLATES AND REPLACE THEM WITH NEW SPARES.