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Rubber bungs of different sizes to seal/close test tubes/boiling tubes/conical flasks.
circular and elbow
two types of draft tube 1. conical type-> for low powered units 2. elbow type-> used with most turbine installation
In a Reaction turbine,the Draft Tube is used to reduce the exit velocity loss in order to minimize the exit energy loss. The conical Draft tube ensures this as the diverging area ensures a lower velocity at draft tube exit (since acc. to Q = VxA; the continuity principle,an increase in area renders a decrease in velocity) than its entry point ( at runner exit). A straight (uniform c/s draft tube) draft tube will impart no reduction in the magnitude of exit velocity and thus the employment of a draft tube at the runner exit will be futile.
conical is an adjectiveso, for example: "It had a conical shape"
A conical tube is a hollow triangular shaped receptacle often used in laboratories. Conical tubes are used in centrifuges where specimens are spun at high speeds to separate the particles they are made of.
There is no meaning of conical flasks. They have uses.
A conical flask.
Today's dunce shall wear the conical cap for the rest of the day. Some volcanoes are conical in shape.
Why plants grow on mountain in conical shape
Barren Island is becoming conical in shape.
Draft stoppers, also known as draught excluders, are often very simple tubes of sand-filled fabric, sometimes decorated in some fashion. They work by sealing the opening on the underside of a door, preventing heat from leaving the house.