FIRST MATE OF A FOREIGN GOING SHIP ( PHASE I)

FUNCTION: CONTROLING THE OPERATION OF THE SHIP & CARE FOR THE PERSONS ON BOARD

PAPER: NAVAL ARCHITECTURE PAPER I

Time- 3 hours Pass Marks -50 Max. Marks - 100

1) The water plane areas of a ship at one metre intervals from keel upwards are: - 1730,1930,2030,2100 and 2150 m2 respectively. Find the displacement and TPC in SW at 4m draft. 25 marks

2) M.V Hindship at a draft of F 7.66m , A 7.82m loads 220 T in No. 2 TD and consumes 30 T of Fresh water from the TD drinking water tank(p).find the final draft forward and aft.? 25 marks

3) M.V Hindship sails in condition no. 6.On the voyage she is expected to consume 230MT of fuel from No.3 DB tank No. 7 DB tanks. Find the amount to be consumed from each tank to arrive at even keel condition 10 marks

4) Explain what are Cross Curves of Stability and KN curves. What data can you obtain from these curves? 10 marks

(FOR QUESTIONS 5-9 , Answer any three out of five)

5) Write short notes on: a) Ultrasonic Test for Welding defects. b) Tungsten Inert Gas Welding 10marks

6) Describe the SOLAS requirements for a transverse watertight bulkhead of a cargo ship with respect to:

a) Minimum number b) Location c) Initial Tests 10 marks.

7) Write down components of a marine paint and their importance .Give examples? 10 marks.

8) Explain the following types of welding: Butt Weld, Tack weld and Field weld. 10 marks

9) Explain the principle of Submerged Arc welding and its advantages as to why it is being

used in Shipbuilding? 10 marks

*************************