ORAL
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2ND MATE EXAM ORAL QUESTIONS AND ANSWERS - LATEST QUESTIONS | Page 104
Q. 1031) Working principle of the dgps
X
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
differntial 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
Q. 1032) 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. 1033) 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. 1034) Draw a well label daigram of igsystem and various alarm
XQ. 1036) Hazards of coal and sulphur
X
coal
1.spontaneous heating
2.emission of meathane
3.corrosion
4.liquefaction
sulphur
1.fire
2.dust explosion
3.corrosion
Q. 1038) Carrying sulpher and fire inside hatch action ?
X1.Raise fire alarm
2.Take head count
3.release co2
4.if cant cntrl head 2 d nerst port of refuge.
Q. 1040) Explain panting and pounding ?
Xi. Panting stresses is an in and out motion of the plating in the bows of a ship and is caused by unequal water pressure as the bow passes through successive waves.
ii. Pounding stresses is exist when ships is pitching. Ship’s bows lift clear of the water and come down heavily. It causes damage to the bottom and girder at the bow.
