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2ND MATE EXAM ORAL QUESTIONS AND ANSWERS - LATEST QUESTIONS | Page 103
Q. 1021) What is the bouyancy requirement for a lifebuoy & a life jacket
X
lifebuoy-be capable of supporting not less than 14.5 kg of iron in fresh water for a period of 24 h;A lifejacket shall have buoyancy which is not reduced by more than 5% after 24 h submersion in fresh water.
Q. 1022) Working principle of the dgps
Xdifferntial gps
it is fixed station whose position is known
it recives its position from the satellite and calculates the error between two positions and then it transmits the error for that satellite
brendon n kamlesh
it has a fix position and it compared with 3 satellite position and compare with own position and diffrence will be find out,and transtmit the difference in all vessels are uhf range
Q. 1023) Wht do you understand by angle of repose
X
it is the angle btw horizontal plane and the cone slope optained when bulk cargo is loaded on this plane
when the bulk cargo is loaded on board.,to a large amount,it forms a shape of slope.
So the angle between the horizontal area and the slope formed by cargo is called angle of repose
Q. 1024) What is the dischare criteria for machinery spaces
Xenroute
passd thru ODMC n effluent not more than 15ppm
not originated from Cargo spaces or cargo p/p rm
AND NOT IN ANTARCTIC
brendon n kamlesh
Q. 1025) What do you understand by t & p notices
X
temporary notice are given when some information exist on chart for some short time . and prelimry notice are given when in future there will some work will take place in future
both are related to notices to mariner ,, both are temperary warnings ,, and hence the related corrections are done in pencil on the chart.
temporary and preliminary notices to mariner....
temporary notices are the information that remains remains temporary usually not more then 3 months and preliminary notices are the notices that are at their preliminary stages nd can be permanent at a later stage....such as extension of any port, contruction of any bridge...etc
Q. 1027) What is Muster list ?
XQ. 1028) When will you condemn a wire
Xif any length of 8 diameter the total number of visible broken wires exceed 10% the number of wires in the wire rope.
Q. 1029) What is the purpose of the weak link
Xis to detach the life raft from the painter
painter is permanently secured to ship n weak link is connected to life raft.
brkng strength 2.2+/- 0.4 kn.
brendon n kamlesh
