0
Thermos Flasks were invented in 1892 by Sir James Dewar. They consist of two flasks, one placed over the other and joined at the neck. The main advantage of using a Thermos is to keep hot beverages hot and cold beverages cold.
Wiki User
∙ 10y ago
Wiki User
∙ 15y agobecause it keeps insulation and it keeps your food warm and btw wiki answers is crap dnt look at it lol!!
Add your answer:
Earn +20 pts
What is a thermos flask made of?
out of steel
What is inside a thermos?
inside a thermos is flask steel materials, it keeps the thermos for about 1 - 2 days.
Vacuum is mantained in thermos flask?
The vacuum reduce heat loss by conduction and convection.
What is the other name for a vacuum flask?
A Thermos.
What do you call the object that keeps water hot for hours?
Thermos flask or vacuum flask.
Is a thermos flask also good for keeping water cold for several hours?
Yes. The thermos flask can reduce the amount of heat travelling from the surroundings to the cold water
What Are Some Objects That Minimize Heat Transfer?
The vacuum flask otherwise known as a thermos flask
How does a thermos flask reduce conduction?
There is air between the inside and outside of the flask.
What is flask and how is it used?
A flask is basically a thermos that is used to hold liquids (beverages) that are meant to be kept warm.
What is the thermo flask?
Thermos flask is a thermos container used to store liquids like any hot drink. The liquid added to thermos flask will retain the temperature even after some time irrespective of external temperatures.
What is the main cause of heat loss in a normal thermos flask?
The main heat loss in a good thermos flask, is due to heat conducted through the material. (Glass or Stainless Steel). There should be little heat lost through the vacuum of the flask.
How a thermos flask minimizes energy losses from convection?
As the flask is closed air tight, no convection current is possible.
