A towing vessel 30 meters in length is pushing barges ahead. How many white masthead lights is the vessel REQUIRED to show at night?()
The energy for pushing this piston up can be supplied from (), so that the piston can keep moving up and down.
When a pushing vessel and a vessel being pushed are rigidly connected in a composite unit,they shall be regarded as().
A towboat has the same draft as the barges it is pushing ahead. If the distance from the stern of the towboat to the head of the tow is 260m,where is the approximate location of the pivot point of the unit?()
A towboat is pushing barges ahead at a dangerously fast speed when().
When a pushing vessel and a vessel()ahead are rigidly connected in a composite unit they shall be regarded as a power-driven vessel.
When pushing ahead,wires leading from the quarters of the after outboard barges to the bow of a towboat().
A power-driven vessel pushing aheador towing alongside displays navigation lights and().
A towing vessel pushing a barge ahead and rigidly connected in a composite unit shall show the lights of().
When one upbound vessel is overtaking another vessel and both are pushing a tow ahead,what reaction may you expect().