1) in a ship where do we get the earth is connected to? 2) in a 3 phase supply where does the neutral is connected to in a ship normally? 3) how does we make the best 24v dc wiring for the ship at the bridge panels which mostly work on 24v dc voltage and how do we differentiate its wiring from ac wiring? 4)what is a synchronizer and why do we need it compulsory in a ship? 5) in a blackout condition how does a ship get its back up power?

5 Answers   Ethiopian Maritime, FM, Focus,

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What are your Future Plans for Abu Dhabi Marine Operating

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What is specific fuel consumption and how fuel calculate?

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In ship cranes, there is a provision of providing a conveyor for the cable there is no provision of slip ring. Then explain how it is possible ?

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which country level having below the means sea level?

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Find the area of the disc at 62 c whose diameter is 3.4m at zero degrees celsius. Linear coefficient of expansion is .0000118 per degree c.

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Why self closing sounding pipes are used onboard?

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Draw the space diagram for a ten meter long beam simply supported at each end. At 4 meters from the left hand end is a load of 25kn and three meters from the other end. Also draw the shear force and the bending moment diagrams, showing the necessary calculations.

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Describe the vibration of machinery which is not apparent?

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what is slip and what is the principal of axial pump

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In ship cranes, there is a provision of providing a conveyor for the cable. There is no provision of slip ring. How is it possible?

2 Answers   L&T,

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A steel column 3 m hight is of hollow square section, 200 mm outside dimension and 20 mm wall thickness. (young's modules E=210*10^9) calculate A: the compressive load which will give a stress of 60 MN/m^2 in column. B: the compression o the column under the load in (A).

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