GENERAL ENGINEERING KNOWLEDGE – MEO CLASS 4 MMD PAPER

SECTION 6

1. The master or person in charge of a MODU is required to log
   1. the date and hour of each fire drill
   2. the names of all persons on board
   3. only casualties which occur while underway
   4. every event occurring on board

ANS.: A

2. A simultaneous rise in stern tube forward seal tank and drop in level of header tank indicates_
   1. Aft seal ring of forward seal assembly damaged or sealing disturbed by foreign object
   2. Forward seal ring of forward seal assembly damaged or sealing disturbed by foreign object.
   3. Either of the above
   4. None of the above

ANS.: A

3. Bearing damage in a diesel engine onboard is indicated by
   1. White metal in the crankcase
   2. White metal in the lube oil filter
   3. Knocking sound from the engine crankcase
   4. Any of the above

ANS.: D

4. In a D- type water tube boiler with a secondary steam drum and super- heater, the steam is heated above the boiling point of water in the _______
   1. Primary steam drum
   2. Risers
   3. Super- heater
   4. Secondary steam drum

ANS.: C

5. Which of the following statements is false about corrosion due to galvanic action?
   1. Metals close to the anodic end of galvanic series corrode in preference to the ones close to the cathodic end.
   2. When any single metal exists in a system, it cannot corrode due to galvanic action.
   3. Zinc is anodic to steel and is often used as a protective coating
   4. Corrosion rate is affected by temperature

ANS.: B

6. Which of the following statements is FALSE regarding gas carriers?
   1. Shipboard generation of inert gas for cargo tanks is a requirement .
   2. Shipboard generation of inert gas for inter tank barriers and holds is a requirement .
   3. Gas carriers do not use ship’s main boilers for generation of inert gas.
   4. Gaseous nitrogen is produced on board in many gas carriers

ANS.: B

7. Which of the following factors will have the greatest effect on the heating load within a conditioned space?
   1. Solar gain
   2. Infiltration and ventilation air
   3. Occupants inside the space
   4. Entertainment equipment within the space

ANS.: B

8. During major repair work in enclosed space onboard
   1. Keep log of entry and exit time of personnel
   2. Keep adequate first aid equipment at the entrance
   3. Provide refreshments
   4. None of the Above

ANS.: A,B,C

9. Before the longitudinal carriage feed of a lathe is engaged, you must be certain the
   1. spindle clutch is disengaged
   2. carriage clamp screw is loosened
   3. carriage stop clamp is tightened
   4. thread dial indicator is zeroed

ANS.: B

12. In a compression type grease cup, the lubricant is forced into the bearing by
    1. gravity flow
    2. spring force
    3. a pressure gun
    4. a jerk fitting

ANS.: B

13. Type of the tank is fitted semi and fully pressurized gas carrier
    1. Type a
    2. Type b
    3. Type a and b
    4. None

ANS.: A

14. Surging indicates
    1. Scavenge fire
    2. exhaust manifold fire
    3. Fault in fuel system
    4. All

ANS.: D

15. Engine cylinder relief valve lift indicates abnormal of what
    1. Abnormal fuel supply to the cylinder
    2. Abnormal fuel timing of the cylinder
    3. Abnormal exhaust temperature of the cylinder
    4. Abnormal exhaust pressure in the cylinder

ANS.: B

16. Hydride formation in gas carrier can lead to a
    1. Contamination of cargo
    2. Seize of pump
    3. Exothermic reason
    4. None

ANS.: B

17. Deep well cargo pump used in
    1. Chemical carrier
    2. Product carrier
    3. LNG
    4. All

ANS.: D