Which of the following is NOT a common maintenance task for shipboard machinery and equipment?

Troubleshooting and diagnostics

Which of the following is a common reason for equipment failure on ships?

Poor training of maintenance crew

The motor and compressor of an air compressor that is being refitted in the engine room are coupled together using a flexible coupling. Both the motor and compressor are mounted on a common "skid," which is secured to the deck with resilient mountings. Which of the following statements regarding the alignment of the motor and compressor is correct?

Shims should be fitted between the motor and compressor feet and the skid to ensure correct vertical, horizontal, and parallel alignment of the coupling halves before they are bolted up.

As long as the two coupling halves are of the same height the flexible coupling will accommodate any horizontal misalignment or difference in the gap between the coupling faces.

The compressor and motor can be placed directly on the common skid since they are likely to be closely aligned.

An attempt is being made to remove a ball bearing from a pump shaft using a hydraulic cylinder-type bearing puller. However, it is noticed that the legs of the puller are starting to bend, but there is no sign of the bearing moving. What action should be taken?

Remove the puller and try to warm up the bearing while simultaneously cooling down the shaft before making another attempt with the puller.

With the hydraulic pressure still applied to the puller, try to dislodge the bearing by striking it with a hammer and punch.

Remove the puller and use a hammer to take the bearing off the shaft.

The temperature control system of the main engine crankshaft bearing is indicating high temperature. What is the correct procedure for opening and inspecting the crankcase?

Stop the engine immediately and keep the lub oil pump running for at least 20 minutes before opening the crankcase.

Reduce the RPM to a minimum and carefully open the crankcase doors.

Stop the engine immediately, stop the lub oil pump, and inspect the crankcase after 5 minutes.

Stop the engine and immediately open the crankcase for inspection.

What would you do if the level of diesel engine lubricating oil in the sump has increased noticeably during operation without any new oil being added?

Stop the engine and check for a fuel or water leak.

Drain some oil from the engine to reduce the level.

Reduce the engine load and check for a fuel or water leak.

The ring expander for the removal and refitting of an air compressor's piston rings is found to be broken and unusable. The work cannot be delayed until a replacement is obtained. Which of the methods given in the options should the ship's engineers use to complete the work?

Fabricate a conical guide from tin plate or a similar material, with a large diameter slightly bigger than the compressor piston. This will allow the rings to be easily opened for fitting.

Lever the rings open using a couple of screw drivers to get the rings past the ring grooves.

Use loops of string or rags to separate the ends of the rings, allowing them to be easily lifted off and placed back on.

As compressor rings are relatively small and have little tension, the ends can be pulled apart enough to clear the piston using the thumbs.

What is the most likely reason for the lubricating oil in the bearing housing at the turbine end of a turbocharger getting very dirty after only a few hours in service?

Damaged rotor shaft sealing bushes, allowing exhaust gas to leak into the bearing housing.

A wrong type of lubricating oil has been used.

The lubricating oil filing connection screw cap is missing.

The turbine end bearing is severly worn.

A new joint is needed for connecting a sea water pipe flange, and there are no ready-made spare joints available. What is the most effective method for creating a new joint using a sheet of rubber insertion?

Measure the flange diameter, PCD, and bore using a ruler and calipers, and then mark out the jointing. Use joining scissors and hole punches to cut the new joint.

Cut a piece of rubber insertion with a hole in the middle to approximately the right size, and then place it between the flanges. Use a hammer to drive the bolts through, ensuring that the bolt holes are correctly aligned.

Cut a piece of rubber insertion from the sheet then use a hammer to knock out the holes for the bolts and the bore against the flange.

Use the old joint as a template to mark out the new joint on the sheet of rubber insertion and cut out the joint with scissors.

A piston rod retaining nut needs to be tightened during maintenance on the main engine. Which of the givenprovided methods should be used to ensure that it does not come loose during service?

Tighten it according to the manufacturer's recommendations using a torque wrench.

Tighten it as much as possible using a spanner and extension pipe.

Tighten it 10% more than the manufacturer's recommendation using a torque wrench.

Tighten it as much as possible using a torque wrench and a hammer.

During maintenance work on the main diesel engine, it is discovered that the fuel injection valve is stuck in the pocket in the cylinder cover. Which of the given procedures given should be followed in order to successfully complete the task?

Replace the complete cylinder cover with a spare unit and land the cover with the jammed valve ashore for repair in a specialist workshop.

Remove the cylinder cover and try to drive the injection valve out of the pocket from the underside with a hammer and punch.

With the fuel injection valve retaining nuts removed, admit compressed air into the engine cylinder to try to blow the injection valve out of the pocket.

Wedge a bar between the piston top and the bottom of the injector and use the turning gear to force out the injection valve.

What is the primary difference between destructive and non-destructive testing?

Destructive testing damages the test specimen, while non-destructive testing does not.

Destructive testing is performed on materials, while non-destructive testing is performed on products.

Destructive testing is more accurate than non-destructive testing.

Non-destructive testing is more expensive than destructive testing.

Why is non-destructive testing often used in the ship inspections?

It can detect internal and surface defects without damaging the component.

It is cheaper than destructive testing.

It is more accurate than destructive testing.

What is the main disadvantage of destructive testing?

It damages or destroys the test specimen.

It is more expensive than non-destructive testing.

It cannot detect internal defects.

It is less accurate than non-destructive testing.

In which of the following industries is non-destructive testing NOT commonly used?

All of the above use non-destructive testing

Why is compliance with international regulations and classification society rules important for ships?

To avoid port state control inspection

To ensure operational readiness

2.2.2 MSAP 2024 MCQ Template - MAINTENANCE AND REPAIR AT THE OPE

Authored by ARJAY TAMPILIC

English

Professional Development

Used 1+ times

2.2.2 MSAP 2024 MCQ Template - MAINTENANCE AND REPAIR AT THE OPE

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99 questions

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MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In metal cutting operation, from what zone is the maximum heat (i.e. 80-85%) generated?

the chip-tool interface zone

the shear zone

the tool-work interface zone

the tool-work outer face zone

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following factors is most critical in determining the accuracy of a measuring tape

The color of the tape

The width of the tape

The precision of the markings

The flexibility of the tape

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

When selecting a screwdriver for a specific task, which aspect should be considered to ensure the best fit?

The length of the handle

The shape of the handle

The size and type of the screw head

The weight of the screwdriver

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The top most part of the drill press housing the mechanisms of the machine, carries the motor that drives the spindle which is a round shaft fitted with a chuck.

The base

Drill head

The spindle

Working table

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The part of the drill press that rotate through a guiding sleeve that moves up and down to provide the desired feed.

The base

The column

The drill

The spindle

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Refers to the shaping of metal produce form close to ultimately desired and improve the physical characteristic of the material

Casting

Forging

Molding

Rolling

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A graphical representation by lines of an object or idea as with a pencil.

Drawing

Engineering Drawing

Lettering

Sketching

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2.2.2 MSAP 2024 MCQ Template - MAINTENANCE AND REPAIR AT THE OPE

In metal cutting operation, from what zone is the maximum heat (i.e. 80-85%) generated?

Which of the following factors is most critical in determining the accuracy of a measuring tape

When selecting a screwdriver for a specific task, which aspect should be considered to ensure the best fit?

The top most part of the drill press housing the mechanisms of the machine, carries the motor that drives the spindle which is a round shaft fitted with a chuck.

The part of the drill press that rotate through a guiding sleeve that moves up and down to provide the desired feed.

Refers to the shaping of metal produce form close to ultimately desired and improve the physical characteristic of the material

A graphical representation by lines of an object or idea as with a pencil.

Refers to a form of design communication based on line symbols recognized & understood worldwide.

It refers to management system that must be conducted to ensure that the ship is doing what is documented in the procedure manual and safety

Which kind of metal fumes are usually not dangerous in normal concentration

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