Is the total gas pressure (static plus velocity) at the discharge port of the compressor. Velocity pressure is considered only with dynamic compressors.

A device actuated by inlet static pressure and designed to open during an emergency or abnormal condition to prevent a rise of internal pressure in excess of a specified value.

A pneumatic device with a rotary output. Typically of a vane or rack-and-pinion construction.

A schooner with a square rigged sail on the forward mast.

Tools that operate by air pressure.

The joining of two timbers by beveling the edges so the same thickness is maintained throughout the length of the joint.

On a square-rigged ship, the act of lowering a spar or yard to the deck.

A closed rail freight car.

A dynamic compressor. A machine in which air or gas is compressed by the mechanical action of rotating vanes or impellers imparting velocity and pressure to the air or gas. In a centrifugal compressor, flow is in a radial direction. Air enters the compres ...

Place where loose or other non-containerized cargo is ungrouped for delivery.

A transportation arrangement in which truck trailers with their loads are moved by train to a destination. Also known as Rail Pigs.

Devices that may be used to position the impeller or to protect the shaft.

Shipper's communication(s) to its agent and/or directly to the international water-carrier. Instructions may be varied, e.g., specific details/clauses to be printed on the B/L, directions for cargo pickup and delivery.

A sea running in a direction contrary to the wind, which can be confused and dangerous.

A method of signaling and communicating using two flags held in position by the signaler, the positions of the flags denoting the meaning.

The weight shown in a waybill and freight bill, i.e, the invoiced weight.

Stationed near an offshore in-stallation, responsible for evacuating its crew in emergencies. Also performs continuous guard function, warning other vessels to keep their distance from installations, etc.

(1) A knot used to secure a line to another object such as a ring or cylindrical object or to another line; (2) Common term for an enlistment.

Said of a vessel that is firm, strong, and unlikely to develop leaks.

The pressure containing stationary element that encloses the rotor and associated internal components of a compressor, including integral inlet and discharge connections.