Hull Machinery

Question 1

Machinery

Answer 1

All machinery installed on waterborne craft, including engines, transmissions, shafting, propulsors, generators, motors, pumps, compressors, blowers, eductors, centrifuges, boilers and other heat exchangers, winches, cranes, steering gear, and associated piping, tanks, wiring, and controls, used for propulsion, for ship services, and for cargo, trade, or mission services.

Question 2

Transverse frames

Answer 2

A ship frame consisting of a large number of relatively small, closely spaced, athwartship frames, reinforced in the bottom by vertical floor plates and working in conjunction with widely spaced, fore-and-aft, deep girders, such as the keel, longitudinals, and side stringers.

Question 3

Longitudinal frames

Answer 3

Any of the frames of a ship running fore and aft.

Question 4

Ribs

Answer 4

any of the transverse stiffening timbers or joists forming the frame of a ship’s hull

Question 5

Stern tube

Answer 5

A long, circular bearing or bushing which supports the propeller shaft where it emerges from the stern of a ship.

Question 6

Funnel

Answer 6

A smokestack of a ship.

Question 7

Controllable pitch

Answer 7

blades that can be rotated around their long axis to change the blade pitch.

Question 8

bow thruster

Answer 8

transversal propulsion device built into, or mounted to, the bow.Bow thrusters make docking easier, since they allow the captain to turn the vessel to port or starboard side, without using the main propulsion mechanism which requires some forward motion for turning

Question 9

stern thruster

Answer 9

similar to bow thruster, located at stern of ship

Question 10

Tugs

Answer 10

A tugboat (tug) is a boat that maneuvers vessels by pushing or towing them.

Question 11

rudder

Answer 11

A rudder is a primary control surface used to steer a ship, boat, submarine, hovercraft, aircraft, or other conveyance that moves through a fluid medium

Question 12

Stabilizer

Answer 12

Ship stabilizers are fins or rotors mounted beneath the waterline and emerging laterally. In contemporary vessels, they may be gyroscopically controlled active fins, which have the capacity to change their angle of attack to counteract roll caused by wind or waves acting on the ship.

Question 13

in ballast

Answer 13

laden only with ballast.

Question 14

Scantling

Answer 14

Scantling is a measurement of prescribed size, dimensions, or cross sectional areas.

Question 15

stowage factor

Answer 15

the stowage factor indicates how many cubic metres of space one metric tonne (or cubic feet of space one long ton) of a particular type of cargo occupies in a hold of a cargo ship.