The valve best suited for throttling gas or liquid flow in a pipeline is the().
When checking the liquid level in a tank, you should position yourself ().
Liquid bulk cargo is loaded and discharged by ()(泵).
The heat used to change a liquid to a vapor is called ().
The volatility of a liquid is the tendency of a liquid to ().
The most likely location for a liquid cargo fire to occur on a tanker would be().
Which of the following pumps are self-priming, and can deal with liquid from a level below the pump? () (1) reciprocating (2) vane (3) gear
The cooling liquid used for the cylinder may be referred to as ().
Which of the following pumps are self-priming, and can deal with liquid from a level below the pump? () (1) reciprocating (2) rotary (3) centrifugal
The conical tank below is filled with liquid. How much liquid has poured from the tip of the cone if the water level is 9 feet from the tip?