Heat TransferHard
Question
A body takes T minutes to cool from 62oC to 61oC when the surrounding temperature is 30oC. The time taken by the body to cool from 46oC to 45.5oC is : -
Options
A.Greater than T minutes
B.Equal to T minutes
C.Less than T minutes
D.Equal to T/2 minutes
More Heat Transfer Questions
Two Plates of equal areas are placed in contact with each other. their thickness are 2 and 3 respectively. Temp of exter...A body takes 4 minutes to cool from 100oc to 70oc. If the room temperature is 150 c then how many minutes will it need t...The dimensional formula for thermal resistance is...Two spheres of radii in the ratio 1 : 3 and densities in the ratio 2 : 1 and of same specific heat are heated to same te...A substance when at high temperature emits wave lenght λ1, λ2, λ3, and λ4 only when this substance i...