Physics · Heat transfer: conduction, convection and radiation
lce is used in a cooler in order to cool its contents.Which of the following wil
lce is used in a cooler in order to cool its contents.Which of the following will speed up the cooling process
- A. Wrap the ice in a metal foil
- B. Drain the water from the cooler periodically
- C. Put the ice as a single block
- D. Crush the ice
Step-by-step solution
Crushing ice increases its surface area, allowing faster heat transfer from the contents, which speeds up the cooling process.
Related MCQs
- The excess temperature of a body falls from to in 5 minutes, then the time to fall the excess temperature from to is (assume the Newton's co…
- Thermal radiations are similar to…
- Two spheres of the same metal have radii and and temperature and respectively. The ratio of the energy radiated per second by the first to t…
- A hot liquid is kept in a big room. The logarithm of the numerical value of the temperature difference between the liquid and the room is pl…
- The moving air from the hair dryer removes the molecules of liquids as soon as they escape from the surface of your hair. Which factor of ev…