Ship CON Quiz-b
INSTRUCTION: THE TEST SHOULD BE TAKEN FOR THE PRESCRIBE TIME.
- 1.What welding process uses CO2 to cool down the welded part between 2 parent metal?
- A.
. Tungsten inert gas welding
- B.
. Metal Inert gas welding
- C.
. Electro gas welding
- D.
Electro slag welding
- 2.When the vessel is in a sagging condition, where does the tensile stress be felt?
- A.
. In the bottom
- B.
On the deck
- C.
It is found in the hull section
- D.
. On the forepart where the weight is less
- E.
. It is found in the hull section
- 3.What is true about in-water survey of vessels?
- A.
Conducted prior to docking survey
- B.
. Become due every 4 years
- C.
. Conducted twice in any docking survey
- D.
. Done at the end of the docking survey
- 4.What kind of major disturbance on the ship’s body causes cracks on the stern frame?
- A.
Shearing forces
- B.
Internal forces
- C.
. Dynamic Force
- D.
. Bending moments
- 5.What type of weld does an intermittent weld belongs to?
- A.
Normal fillet weld
- B.
. full penetration fillet weld
- C.
. tack weld
- D.
Lap weld
- 6.What causes the absence of reinforcement or root penetration in welding?
- A.
High welding current
- B.
. low welding current
- C.
. incompetent welder
- D.
. low welding current
- 7.What is the high advantage of high tensile steel over mild steel in ship building?
- A.
. It has high carbon contain steel
- B.
. Good weld ability characteristics
- C.
It saves 60% of the weight
- D.
. Recommended by American Bureau of Shipping
- 8.Shear forces tend to affect the material on a vessel’s structure, what causes this stress?
- A.
When there is longitudinal distortion
- B.
When simultaneous loading starts
- C.
When there is a constant varying loads
- D.
. when hogging is experienced
- 9.What is the best butt weld preparation for steel thickness up to 20 mm?
- A.
. U-weld
- B.
. Double V preparation
- C.
. Square-edge
- D.
. V-weld
- 10.The vessel’s structure is distorted due to panting, what ship’s motion is a contributor to it?
- A.
. Pitching
- B.
. Rolling
- C.
. Heaving
- D.
Swaying
- 11.It is a weld test procedure where a photographic plate is exposed to x-ray radiation?
- A.
Ultrasonic inspection
- B.
Dye penetrants
- C.
Radiographic inspection
- D.
Visual examination
- 12.It is an immediate cause of stress due to excessive rolling and pitching of the vessel.
- A.
. Racking
- B.
. Pounding
- C.
. Sloshing
- D.
Panting
- 13.How will you know that ship building materials can withstand stress?
- A.
. By the effect of stress and strain as to fatigue
- B.
. By determining its total strain
- C.
By dividing the area of the material by its load
- D.
. By determining its load per unit area
- 14.What is all about young’s modulus?
- A.
Stress is directly proportional to strain
- B.
. Stress is indirectly proportional to strain
- C.
. Strain is indirectly proportional to stress
- D.
Stress directly proportional to the sectional area of the material
- 15.It is a type of welding consisting of 2 electrodes.
- A.
. Thermit welding
- B.
. Resistance welding
- C.
. Electric Arc welding
- D.
Gas welding
- 16.What is the best description of a tack weld?.
- A.
. A butt weld for
- B.
. A temporary weld
- C.
. A lap weld
- D.
. A flush weld
- 17.What makes the forward bottom area of the vessel as one to consider a critical region?
- A.
The area experiences too much panting in heavy weather
- B.
. It is because of the structure of the framing system
- C.
It is affected by too much rolling and pitching
- D.
It is where buoyancy is usually present
- 18.What is the term given to the effect of stress where at any point results to the algebraic sum of moments of all loads acting between that point and one end of the vessel?
- A.
Tensile stress
- B.
. Bending moment
- C.
Shear forces
- D.
. Compressive
- 19.What is the best description of vertical shear forces?
- A.
Total stress minus load
- B.
The opposite of stress
- C.
. The total deformation which the body experiences when subject to load
- D.
The upward and downward distortion forces
- 20.The following are reasons why high tensile steel has more advantages than mild steel, except one.
- A.
. Lighter than mild steel
- B.
. saves weight
- C.
Use on areas of high stress
- D.
. Saves cost
- 21.Which of the following is true about steel forging?
- A.
It allows a molten steel to solidify in a mould of a desired shape
- B.
. Method of shaping a metal by hammering
- C.
. It becomes more or less plastic
- D.
Metal becomes brittle
- 22.When a vessel is experiencing compressive stress on the deck, what is its possible effect to the vessel?
- A.
. hogging
- B.
Sagging
- C.
. pounding
- D.
. dynamic force
- 23.What motions of the vessel is the possible cause of racking?
- A.
Heaving
- B.
. Pitching and heaving
- C.
Rolling
- D.
Surging and swaying
- 24.How does the crest/s of the wave tend to sag the vessel?
- A.
Its midship part is supported by buoyancy.
- B.
The buoyancy is more in the midship part.
- C.
. It creates weight equal to its buoyancy
- D.
. The buoyancy created is greater on the fore and aft part
- 25.Docking surveys are conducted to vessels, at what scheduled interval does in-water survey should be done?
- A.
. Twice every special survey
- B.
. Every year
- C.
Once every dry dockings
- D.
On any of the two dockings in a five-year period
Questions: 10 | Attempts: 20369 | Last updated: Mar 22, 2022
-
Sample QuestionWhat does MEK stand for?
Questions: 7 | Attempts: 2677 | Last updated: Mar 22, 2022
-
Sample QuestionWhat was the largest Battleship ever built?
Questions: 10 | Attempts: 628 | Last updated: Mar 22, 2022
-
Sample QuestionYou wake up the morning before an ocean passage and you…
Back to top