The lower weep hole exists to allow fluid to collect or drain out of the water pump to protect the bearing integrity. In a horizontal centrifugal pump there is little space between the bearing and the seal so fluid build-up could potentially threaten the bearing.
Definition of PETRI DISH. 1. : a small shallow dish of thin glass or plastic with a loose cover used especially for cultures in bacteriology.2. ADVERTISEMENT.Julius R. Petri â 1921 German bacteriologist.. : a small shallow dish of thin glass or plastic with a loose cover used especially for cultures in bacteriology. 2. ADVERTISEMENT. Julius R. Petri â 1921 German bacteriologist.
The noun POTPOURRI has 3 senses: 1. a collection containing a variety of sorts of things. 2. a musical composition consisting of a series of songs or other musical pieces from various sources. 3. a jar of mixed flower petals and spices used as perfume. Familiarity information: POTPOURRI used as a noun is uncommon.