GENERAL ENGINEERING KNOWLEDGE – MEO CLASS 4 MMD PAPER

42. Purifier leaking bowl opened, cleaned and seal ring changed and put back but still leaking what might be wrong?
    1. high temp
    2. high density
    3. disc size not proper
    4. rpm low

ANS.: D

43. Increased fuel injection temperature and maintaining recommended viscosity of a new bunkers fuel oil.
    1. viscotherm running fine
    2. Problem in viscotherm
    3. best quality bunkers
    4. None

ANS.: A

44. Overall length of pairs of rams is reduced in which of the following tiller designs of a steering gear arrangement?
    1. Forked tiller design
    2. Round arm tiller design
    3. Conventional tiller design
    4. None of the above

ANS.: A

45. In refrigeration circuit, the data logger will record what? (Multi choice)
    1. Room temperature
    2. Recharge temperature
    3. Liquid line temperature
    4. Solenoid valve operation

ANS.: 1,3,4

46. Engaging the turning gear and turning the engine until working temperatures are reduced
    1. Blank starting air to the affected cylinder
    2. Shut cylinder oil to the affected cylinder
    3. Shut all cylinder liner ports of affected cylinder
    4. Open relief valve of affected cylinder

ANS.: A

47. You as a fourth engineer have taken over watch from third engineer. He said OWS is running in 0 ppm. But after taking over watch you observed that fresh water flushing valve is crack open. After closing it, suddenly the oil content has exceeded 15ppm. What will you do?
    1. shut the OWS & inform CEO.
    2. shut the OWS but no need to inform anyone.
    3. Don’t touch the apparatus & inform CEO.
    4. Just check that there is no visible colour/oil traces in sea water so don’t have to inform anyone.

 ANS.: A

49. Non destructive test is
    1. Creep test
    2. Impact test
    3. Hardness test
    4. Ultrasonic test

ANS.: D

50. Purpose of observation tank
    1. to check water level
    2. check any oil contaminate
    3. to check alkalinity

ANS.: B

51. The coating on an electrode used for electric arc welding
    1. creates a gas shield to prevent oxidation of the weld material
    2. helps the weld formation by shaping the metal transfer
    3. provides an electrical insulation for the user
    4. All of the above

ANS.: A

52. Tankers carrying LPG & Ammonia for deep sea voyages are ofTop of Form

1. Semi pressurized
2. Fully pressurized
3. Fully refrigerated
4. All the above

ANS.: D

53. Pump, when coupled to constant speed motor , the discharge quantity will not change with following pumps
    1. heleshaw
    2. steering gear swash plate type
    3. Gear pump
    4. None

ANS.: C

54. Electrical fire extinguished by
    1. Co2
    2. DCP
    3. FOAM

ANS.: A

55. over speed trip of generator—
    1. governor has to be checked
    2. fuel oil system
    3. cooling system
    4. alternator

ANS.: A

57. Flooding in E/R,
    1. pump out through OWS to overboard
    2. pump out through EMERGENCY Bilge pump
    3. pump out through General Service pump
    4. all

ANS.: B

58. Sewage plant efficiency is gauged by
    1. suspended solid
    2. coli count
    3. BOD
    4. all

ANS.: D

59. In Stern tube, aft of FOREWARD SEAL is leaking then
    1. forward tank oil level increase
    2. Drop in header tank level
    3. Forward tank oil level decrease
    4. Increase in header tank level

ANS.: B

60. IG System number of no return valve
    1. 1
    2. 2
    3. 3
    4. at least one if deck seal is provided otherwise two

ANS.:  D

61. Evaporator pressure testing in (multiple choice)
    1. Pr. testing in shell
    2. Leak test in vacuum pump and fittings……………
    3. leak test in distillate pump
    4. Vacuum testing in shell

ANS.: 1,4

63. For carry out major work in tank –
    1. First aid in entrance
    2. refreshment
    3. entry/exit time of personnel
    4. all

ANS.: D

66. Boiler water level control, controlling swell and shrink of boiler with
    1. feed water level
    2. steam drum
    3. water drum
    4. none of the above

ANS.: A