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2ND MATE EXAM ORAL QUESTIONS AND ANSWERS BY CAPT-CHANDRA - LATEST QUESTIONS



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Asked 1 time (Latest on 20-Dec-2010)

Q. 1) What is wig craft , what is surface effect action

X
    Manojkumar Kalamegam
    11
    X
    1

    Principle
    A wing generates lift, in part, due to the difference in air pressure gradients on the wing surfaces: both upper and lower. During normal flight, the upper wing surface experiences reduced static air pressure and the lower surface comparatively higher static pressure. In normal flight, these air pressure differences also accelerate the mass of air downwards balancing momentum. However kinetic energy is proportional to the square of the velocity so designers aim to minimize the accelerated air velocities to reduce wasted energy in both the downward mass acceleration and wingtip vortices. Flying close to a surface increases air pressure on the lower wing surface (the ram or cushion effect) and decreases air acceleration so the ground effect improves the aircraft lift to drag ratios in two ways. Momentum is still balanced because the air pressure beneath the wing is pressing on the underlying surface—the water or flat land.

    Manojkumar Kalamegam | | EDIT | REPLY



      Asked 1 time (Latest on 20-Dec-2010)

      Q. 2) Fire in cargo hold ? you have to release co2 what pecautions u'll take

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        JAHAJEE.com user
        1
        X
        0

        In case of personnel in working in the cargo hold, pls evacuate immediately after hearing the audible alarm n report to the designated mustr station.
        close the ventialtion to the hold
        close the hatches
        release the CO2

        Vishal Singh | | EDIT | REPLY
          JAHAJEE.com user
          6
          X
          0

          Always take head count b4 releasing co2

          Vikram Singh | | EDIT | REPLY

            Asked 1 time (Latest on 20-Dec-2010)

            Q. 3) There is a blackout on vessel , take actions

            X
              Vivek Misra
              26
              X
              0

              DNT TAKE ANY ACTION.JUST AVOID COLLISION
              AFTER 45 SECS EMGCY GEN STARTS

              Vivek Misra | | EDIT | REPLY

                Asked 1 time (Latest on 20-Dec-2010)

                Q. 4) What is pssa ? example

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                  Binu George
                  51
                  X
                  0

                  particularly sensitive sea area
                  greatbarrier reef, australia

                  Binu George | | EDIT | REPLY
                    Thiyaga Rajan
                    74
                    X
                    0

                    Particularly Sensitive Sea Area
                    (PSSA) is an area that needs
                    special protection through action
                    by IMO because of its
                    significance for recognized
                    ecological or socio-economic or
                    scientific reasons and which may
                    be vulnerable to damage by
                    international maritime activities.
                    The criteria for the identification
                    of particularly sensitive sea areas
                    and the criteria for the
                    designation of special areas are
                    not mutually exclusive. In many
                    cases a Particularly Sensitive Sea
                    Area may be identified within a
                    Special Area and vice versa.

                    Thiyaga Rajan | | EDIT | REPLY

                      Asked 1 time (Latest on 20-Dec-2010)

                      Q. 5) What is ECDIS and how are charts corrected on ECDIS ?

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                        Abdul Nadaf
                        1
                        X
                        0

                        ECDIS stand electronic chart display and information system. It is updated with the help of a CD.

                        Abdul Nadaf | | EDIT | REPLY
                          Arunkumar Moorthy
                          11
                          X
                          0

                          An ECDIS is a unified navigational information display which presents on an updated chart background,updated route,present position and fast track, combining these as approprite with radar,ARPA and other navigational sensors in order to improve safe navigational through the clear display of the situation in the vicinity of the ship.
                          chart can be corrected through a floppy disc,compact disc, even directly through the satellite systems. The latest system of updating charts is that the manufacturer transmit the chart updated as broadcast in coded format. Dedicated software is fitted in the ECDIS which will receive these updates,decode them and correct the charts.

                          Arunkumar Moorthy | | EDIT | REPLY

                            Asked 1 time (Latest on 20-Dec-2010)

                            Q. 6) What is coal loading precautions ? how will you ventilate

                            X
                              JAHAJEE.com user
                              1
                              X
                              0

                              Ventilation for coal cargo is done using the surface ventilation procedure....
                              Precaution for loading coal refer erol fernandes cargo work pg no.47

                              Joyston Leitao | | EDIT | REPLY
                                JAHAJEE.com user
                                1
                                X
                                0

                                the first five day after loading all ventilators shuld be utilized for remove the gas

                                Jagan Chitti | | EDIT | REPLY

                                  Asked 1 time (Latest on 20-Dec-2010)

                                  Q. 7) Quote rule 19 , rule 37 and annex 4

                                  X
                                    Sudhir Adsul
                                    31
                                    X
                                    1

                                    1> a gun or other explosive fired
                                    2>a cont sounding of fog signal
                                    3>rockets or shells
                                    4> n.c. flag
                                    5>mayday
                                    6> sos
                                    7> ball, square ,ball
                                    8> flames, smoke signal, raising lowering of arms

                                    Sudhir Adsul | | EDIT | REPLY

                                      Asked 1 time (Latest on 20-Dec-2010)

                                      Q. 8) Marpol annex 6 , what is seca ? example of seca

                                      X
                                        Binu George
                                        51
                                        X
                                        0

                                        sox emission control area
                                        baltic sea, north sea area.

                                        Binu George | | EDIT | REPLY
                                          Arunkumar Moorthy
                                          11
                                          X
                                          0

                                          example of SECA are north sea,baltic sea,north american waters.

                                          Arunkumar Moorthy | | EDIT | REPLY

                                          Asked 1 time (Latest on 20-Dec-2010)

                                          Q. 9) What is squat ? how will you reduce effect of squat ?

                                          X
                                            Manojkumar Kalamegam
                                            11
                                            X
                                            0

                                            The Change in ships trim when being at motion or being stationary is called squat. The Squat is mainly experienced over in shallow waters it increases with square of the speed of the ship in order to reduce squat ship speed has to be reduced squat is calculated by the formulae
                                            squat= V(square)/100*Cb

                                            Manojkumar Kalamegam | | EDIT | REPLY
                                              Vivek Misra
                                              26
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                                              0

                                              bodily sinkage+change in trim

                                              Vivek Misra | | EDIT | REPLY
                                                JAHAJEE.com user
                                                11
                                                X
                                                0

                                                Squat is a bodily sinkage of a ship due to its movement through the water and is depend on speed, ship form, and the underwater clearance.
                                                The overall decrease in the underkeel clearance fwd. and aft is called squat.

                                                TO ELIMINATE SQUAT;
                                                reduce speed,
                                                Sufficiant UKC is to be kept to avoid SQUAT.

                                                Shunmugasundaram Chockalingam | | EDIT | REPLY

                                                  Asked 1 time (Latest on 20-Dec-2010)

                                                  Q. 10) What is IMDG classifications ? what is 6(i) ? what is symbol for class 7

                                                  X
                                                    Vivek Misra
                                                    26
                                                    X
                                                    0

                                                    ENGLISH
                                                    GIRL
                                                    FUCK
                                                    FIRST
                                                    SUCK
                                                    SECOND
                                                    OPEN
                                                    OUT
                                                    PUSSY
                                                    IN
                                                    RED
                                                    COLOUR
                                                    MINI

                                                    Vivek Misra | | EDIT | REPLY

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